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Liu H, Long J, Zhang K, Li M, Zhao D, Song D, Zhang W. Agricultural biomass/waste-based materials could be a potential adsorption-type remediation contributor to environmental pollution induced by pesticides-A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174180. [PMID: 38936738 DOI: 10.1016/j.scitotenv.2024.174180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 06/14/2024] [Accepted: 06/20/2024] [Indexed: 06/29/2024]
Abstract
The widespread use of pesticides that are inevitable to keep the production of food grains brings serious environmental pollution problems. Turning agricultural biomass/wastes into materials addressing the issues of pesticide contaminants is a feasible strategy to realize the reuse of wastes. Several works summarized the current applications of agricultural biomass/waste materials in the remediation of environmental pollutants. However, few studies systematically take the pesticides as an unitary target pollutant. This critical review comprehensively described the remediation effects of crop-derived waste (cereal crops, cash crops) and animal-derived waste materials on pesticide pollution. Adsorption is considered a superior and highlighted effect between pesticides and materials. The review generalized the sources, preparation, characterization, condition optimization, removal efficiency and influencing factors analysis of agricultural biomass/waste materials. Our work mainly emphasized the promising results in lab experiments, which helps to clarify the current application status of these materials in the field of pesticide remediation. In the meantime, rigorous pros and cons of the materials guide to understand the research trends more comprehensively. Overall, we hope to achieve a large-scale use of agricultural biomass/wastes.
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Affiliation(s)
- Hui Liu
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China.
| | - Jun Long
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China
| | - Kexin Zhang
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China.
| | - Miqi Li
- College of Agriculture, Northeast Agricultural University, Harbin 150030, PR China.
| | - Danyang Zhao
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China.
| | - Dongkai Song
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China.
| | - Weiyin Zhang
- College of Plant Protection, Northeast Agricultural University, Harbin 150030, PR China
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2
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Karabulut G, Kapoor R, Feng H. Soluble hemp protein-xylose conjugates fabricated by high-pressure homogenization and pH-shifting treatments. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2024. [PMID: 39105678 DOI: 10.1002/jsfa.13788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 07/14/2024] [Accepted: 07/16/2024] [Indexed: 08/07/2024]
Abstract
BACKGROUND The process of Maillard conjugation occurs with plant proteins and sugars and can be influenced by several factors, such as processing time, pH, and shear force. By utilizing cavitation processes such as high-pressure homogenization (HPH) and pH-shifting, it is possible to regulate the degree of grafting, functional characteristics, and structural changes in the formation of conjugates. The present study aimed to improve the hemp protein concentrate (HPC) through two different conjugation techniques: HPH and pH-shifting-assisted processes. RESULTS The best conjugation conditions for the conventional method were identified as a 1:2 HPC to xylose ratio, a pH of 10, and 3 h of treatment at 70 °C. The use of HPH and pH 12-shifting methods resulted in a remarkable 2.5-fold increase in grafting degree, requiring less processing time. Fourier transform infrared spectra confirmed the formation of conjugates. Conjugates produced through HPH with pH 12-shifting (MPHX) transformed into soluble glycoproteins with a particle size of 74 nm. MPHX solubility increased by 5.7-fold than HPC, reaching 85.7%, with a more negatively charged surface at -32.4 mV. Microimages showed cracked and sharp forms for conjugated proteins compared to untreated HPC. Additionally, MPHX conjugates demonstrated superior properties in emulsion stability, foaming capacity, and antioxidant activity compared to HPC and classical conjugates. CONCLUSION The use of HPH and pH-shifting-assisted Maillard conjugation was highly effective in enhancing the functional attributes of hemp protein conjugates. © 2024 The Author(s). Journal of the Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Gulsah Karabulut
- Department of Food Engineering, Faculty of Engineering, Sakarya University, Sakarya, Turkey
| | - Ragya Kapoor
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Hao Feng
- Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Department of Family and Consumer Sciences, North Carolina A&T State University, Greensboro, North Carolina, USA
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Wang F, Zang Z, Zhao Q, Xiaoyang C, Lei X, Wang Y, Ma Y, Cao R, Song X, Tang L, Deyholos MK, Zhang J. Advancement of Research Progress on Synthesis Mechanism of Cannabidiol (CBD). ACS Synth Biol 2024; 13:2008-2018. [PMID: 38900848 PMCID: PMC11264327 DOI: 10.1021/acssynbio.4c00239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 06/11/2024] [Accepted: 06/11/2024] [Indexed: 06/22/2024]
Abstract
Cannabis sativa L. is a multipurpose crop with high value for food, textiles, and other industries. Its secondary metabolites, including cannabidiol (CBD), have potential for broad application in medicine. With the CBD market expanding, traditional production may not be sufficient. Here we review the potential for the production of CBD using biotechnology. We describe the chemical and biological synthesis of cannabinoids, the associated enzymes, and the application of metabolic engineering, synthetic biology, and heterologous expression to increasing production of CBD.
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Affiliation(s)
- Fu Wang
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Zhenyuan Zang
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Qian Zhao
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Chunxiao Xiaoyang
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Xiujuan Lei
- College
of Chinese Medicinal Materials, Jilin Agricultural
University, Changchun 130118, China
| | - Yingping Wang
- College
of Chinese Medicinal Materials, Jilin Agricultural
University, Changchun 130118, China
| | - Yiqiao Ma
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
| | - Rongan Cao
- College
of Food Science, Heilongjiang Bayi Agricultural
University, Daqing 163319, China
| | - Xixia Song
- Institute
of Industrial Crops of Heilongjiang Academy of Agricultural Sciences, Haerbin 150000, China
| | - Lili Tang
- Institute
of Industrial Crops of Heilongjiang Academy of Agricultural Sciences, Haerbin 150000, China
| | - Michael K. Deyholos
- Department
of Biology, University of British Columbia,
Okanagan, Kelowna, BC V1V 1V7, Canada
| | - Jian Zhang
- Faculty
of Agronomy, Jilin Agricultural University, Changchun 130118, China
- Department
of Biology, University of British Columbia,
Okanagan, Kelowna, BC V1V 1V7, Canada
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Martínez Rodríguez EJ, Phelan PL, Canas L, Acosta N, Rakotondraibe HL, Piermarini PM. Larvicidal Activity of Hemp Extracts and Cannabidiol against the Yellow Fever Mosquito Aedes aegypti. INSECTS 2024; 15:517. [PMID: 39057250 PMCID: PMC11276947 DOI: 10.3390/insects15070517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2024] [Revised: 06/20/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024]
Abstract
To mitigate pyrethroid resistance in mosquito vectors of emerging and re-emerging human pathogens, there is an urgent need to discover insecticides with novel modes of action. Natural alternatives, such as extracts derived from plants, may serve as substitutes for traditional synthetic insecticides if they prove to be sustainable, cost-effective, and safe for non-target organisms. Hemp (Cannabis sativa) is a sustainable plant known to produce various secondary metabolites with insecticidal properties, including terpenoids and flavonoids. The goal of this study was to assess the larvicidal activity of hemp leaf extract on mosquito larvae from both pyrethroid-susceptible (PS) and pyrethroid-resistant (PR) strains of Aedes aegypti. Another goal was to identify which components of the extract were responsible for any observed larvicidal activity. We found that a methanol extract of hemp leaves induced similar concentration-dependent larvicidal activity against PS (LC50: 4.4 ppm) and PR (LC50: 4.3 ppm) strains within 48 h. Partitioning of the leaf extract between methanol and hexane fractions revealed that full larvicidal activity was restricted to the methanol fraction. Analysis of this fraction by gas chromatography-mass spectrometry and nuclear magnetic resonance showed it to be dominated by cannabidiol (CBD). Larvicidal assays using authentic CBD confirmed this compound was primarily responsible for the toxicity of the hemp leaf extract against both strains. We conclude that hemp leaf extracts and CBD have the potential to serve as viable sources for the development of novel mosquito larvicides.
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Affiliation(s)
- Erick J. Martínez Rodríguez
- College of Food, Agriculture and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (E.J.M.R.); (P.L.P.); (L.C.); (N.A.)
| | - P. Larry Phelan
- College of Food, Agriculture and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (E.J.M.R.); (P.L.P.); (L.C.); (N.A.)
| | - Luis Canas
- College of Food, Agriculture and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (E.J.M.R.); (P.L.P.); (L.C.); (N.A.)
| | - Nuris Acosta
- College of Food, Agriculture and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (E.J.M.R.); (P.L.P.); (L.C.); (N.A.)
| | | | - Peter M. Piermarini
- College of Food, Agriculture and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (E.J.M.R.); (P.L.P.); (L.C.); (N.A.)
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Karabulut G, Feng H. Enhancing techno-functional attributes of plant protein and curcumin complexation: A comparative examination of Maillard conjugation induced by manothermosonication and ultrasonication. Food Chem 2024; 442:138488. [PMID: 38244438 DOI: 10.1016/j.foodchem.2024.138488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/30/2023] [Accepted: 01/15/2024] [Indexed: 01/22/2024]
Abstract
The Maillard conjugation of hemp protein with d-xylose was studied, focusing on the influence of ultrasonic waves, processing time, and pressure. Cavitation-driven processes, including ultrasonication (US) and manothermosonication (MTS), were found to impact the degree of grafting, functional characteristics, and structural alterations, affecting conjugation efficiency. The glycation of hemp protein with xylose assisted with US and MTS was investigated under varying pressures. MTS- and US-assisted glycation processes result in 4.22- and 1.64-fold higher degrees of grafting compared to the classical method within a short time frame. The MTS procedures also improved solubility (+3.6-fold), emulsion (+15-fold), and foaming (+1.7-fold) properties, especially at optimized pressure levels, compared to classical conjugates. Furthermore, the complexation of MTS-assisted conjugates with curcumin (Cur) enhanced Cur stability by more than 1.4-fold compared to the classical procedure during 20-day storage at 4 oC. The findings suggest potential applications in the pharmaceutical industry, active dairy/meat analog development, and gel formulation.
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Affiliation(s)
- Gulsah Karabulut
- Department of Food Engineering, Sakarya University, 54187 Sakarya, Turkey.
| | - Hao Feng
- Department of Family and Consumer Sciences, North Carolina A&T State University, Greensboro, NC 27401, USA; Department of Food Science and Human Nutrition, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA.
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6
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Ran T, Xu Z, Yang W, Liu D, Wu D. Partially substituting alfalfa hay with hemp forage in the diet of goats improved feed efficiency, ruminal fermentation pattern and microbial profiles. ANIMAL NUTRITION (ZHONGGUO XU MU SHOU YI XUE HUI) 2024; 17:49-60. [PMID: 38558755 PMCID: PMC10980998 DOI: 10.1016/j.aninu.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 01/16/2024] [Accepted: 01/18/2024] [Indexed: 04/04/2024]
Abstract
The use of hemp as a forage source in livestock diets has been less studied because bioactive residues in animal tissues may pose a risk to consumers. This study investigated the effects of partial substitution of alfalfa hay (AH) with hemp forage (HF) in growing goat diets on growth performance, carcass traits, ruminal fermentation characteristics, rumen microbial communities, blood biochemistry, and antioxidant indices. Forty Xiangdong black goats with body weight (BW) 7.82 ± 0.57 kg (mean ± SD) were grouped by BW and randomly assigned into one of the four treatment diets (n = 10/treatment) in a completely randomized design. The goats were fed ad libitum total mixed rations containing 60% forage and 40% concentrate (DM basis). The diets included control (CON; 60% AH and 40% concentrate), 55% AH and 5% HF (HF5), 50% AH and 10% HF (HF10), and 40% AH and 20% HF (HF20). Increasing the substitution of HF for AH linearly decreased (P < 0.01) DM intake and improved feed conversion efficiency. However, final BW, average daily gain, carcass traits, meat quality, and most blood biochemistry indices did not differ among treatments. The ruminal NH3-N concentration and blood urine nitrogen linearly increased (P < 0.01) with increasing substitution rate of HF, whereas the total volatile fatty acids concentration quadratically changed (P < 0.01). Substitution of AH with HF had no effect on the diversity and richness of ruminal microbes, though it linearly decreased (P = 0.040) Prevotella_1 and linearly increased (P = 0.017) Rikenellaceae_RC9_gut_group. The cannabinoids and/or their metabolites were detected in both ruminal filtrates (8) and plasma (4), however, no detectable cannabinoid-related residues were observed in meat. These results indicate that the HF could be used to partially substitute AH in goat diets, whereas the effects vary between substitution rates of HF for AH. Although no cannabinoid-related residues were detected in meat, the presence of cannabinoids residues in blood warrants further study of HF feeding to confirm the cannabinoids residues are not present in the animal products.
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Affiliation(s)
- Tao Ran
- College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, Gansu, China
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou, 730020, Gansu, China
| | - Zhipeng Xu
- Changshu Center for Animal Disease Prevention and Control, Changshu, 215500, Jiangsu, China
| | - Wenzhu Yang
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, AB, T1J 4B1, Canada
| | - Dalin Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, Jiangsu, China
| | - Duanqin Wu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha, 410205, Hunan, China
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7
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Yang Y, Cheng Y, Lu Z, Ye H, Du G, Li Z. Comparative proteomic and metabolomic analyses reveal stress responses of hemp to salinity. PLANT CELL REPORTS 2024; 43:154. [PMID: 38809335 DOI: 10.1007/s00299-024-03237-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Accepted: 05/17/2024] [Indexed: 05/30/2024]
Abstract
KEY MESSAGE Integrated omics analyses outline the cellular and metabolic events of hemp plants in response to salt stress and highlight several photosynthesis and energy metabolism related pathways as key regulatory points. Soil salinity affects many physiological processes of plants and leads to crop yield losses worldwide. For hemp, a crop that is valued for multiple aspects, such as its medical compounds, fibre, and seed, a comprehensive understanding of its salt stress responses is a prerequisite for resistance breeding and tailoring its agronomic performance to suit certain industrial applications. Here, we first observed the phenotype of salt-stressed hemp plants and found that under NaCl treatment, hemp plants displayed pronounced growth defects, as indicated by the significantly reduced average height, number of leaves, and chlorophyll content. Next, we conducted comparative proteomics and metabolomics to dissect the complex salt-stress response mechanisms. A total of 314 proteins and 649 metabolites were identified to be differentially behaving upon NaCl treatment. Functional classification and enrichment analysis unravelled that many differential proteins were proteases associated with photosynthesis. Through metabolic pathway enrichment, several energy-related pathways were found to be altered, such as the biosynthesis and degradation of branched-chain amino acids, and our network analysis showed that many ribosomal proteins were involved in these metabolic adaptations. Taken together, for hemp plants, influences on chloroplast function probably represent a major toxic effect of salinity, and modulating several energy-producing pathways possibly through translational regulation is presumably a key protective mechanism against the negative impacts. Our data and analyses provide insights into our understanding of hemp's stress biology and may lay a foundation for future functional genomics studies.
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Affiliation(s)
- Yang Yang
- School of Agriculture, Yunnan University, Kunming, 650091, China
| | - Yu Cheng
- School of Agriculture, Yunnan University, Kunming, 650091, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, 650091, China
| | - Zhenhua Lu
- School of Agriculture, Yunnan University, Kunming, 650091, China
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, 650091, China
| | - Hailong Ye
- School of Agriculture, Yunnan University, Kunming, 650091, China
| | - Guanghui Du
- School of Agriculture, Yunnan University, Kunming, 650091, China
| | - Zheng Li
- School of Agriculture, Yunnan University, Kunming, 650091, China.
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Kunming, 650091, China.
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Merdun H, Yıldırım M. Pyrolysis and combustion of industrial hemp, coal and their blends for thermal analysis by thermogravimetric analysis/Fourier transform infrared spectrometer. WASTE MANAGEMENT & RESEARCH : THE JOURNAL OF THE INTERNATIONAL SOLID WASTES AND PUBLIC CLEANSING ASSOCIATION, ISWA 2024:734242X241241604. [PMID: 38600728 DOI: 10.1177/0734242x241241604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2024]
Abstract
In this study, the thermal behaviours of Cannabis sativa (CS), coal and their five different blends at a heating rate (β) of 10, 20, 30, 40 and 50°C min-1; the synergistic effects between CS and coal; and the distribution of gases formed during pyrolysis and combustion were investigated by using the thermogravimetric analysis/Fourier transform infrared spectrometer (TGA/FTIR) integrated system. The TG and DTG curves showed that the thermal decomposition of pyrolysis and combustion of all feedstocks at all β values had three main decomposition stages. The synergistic effect was observed for DTGmax, mass loss (ML), or final residue (FR) at least once at a given β of each blend; and the synergy was more effective for DTGmax and ML in pyrolysis than in combustion, whereas the opposite was true for FR. The lowest emissions of CO2, CH4, NOx and SO2 except CO during pyrolysis occurred at the blend of 0% CS + 100% Coal. However, the highest emissions of CO, CH4, NOx and SO2 except CO2 during combustion were observed at the blend of 80% CS + 20% Coal. The emissions of CO, CO2, NOx and SO2 from all samples during pyrolysis were lower than that of combustion, indicating that pyrolysis can be preferred due to its lower emission to the environment. Different structural properties of CS, coal and their blends caused different thermal behaviours, synergistic effects and gas products during pyrolysis and combustion by TGA/FTIR, suggesting detailed further investigation for upper-scale pyrolysis and combustion applications.
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Affiliation(s)
- Hasan Merdun
- Department of Environmental Engineering, Akdeniz University, Faculty of Engineering, Antalya, Türkiye
| | - Mert Yıldırım
- Department of Environmental Engineering, Akdeniz University, Faculty of Engineering, Antalya, Türkiye
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Davies J, Hawkins S, Winters A, Farrar K. Bacterial endophytic community composition varies by hemp cultivar in commercially sourced seed. ENVIRONMENTAL MICROBIOLOGY REPORTS 2024; 16:e13259. [PMID: 38649235 PMCID: PMC11035101 DOI: 10.1111/1758-2229.13259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 03/12/2024] [Indexed: 04/25/2024]
Abstract
The seed-endophytic bacterial community is a potentially beneficial and heritable fraction of the plant microbiome. Its utilization as a sustainable crop improvement strategy could be especially valuable for species such as hemp, where production is being scaled up and new challenges will be faced in managing crop productivity and health. However, little is known about the makeup and variation of the hemp seed microbiome. This study profiled the endophytic bacterial communities harboured by 16 hemp cultivars sourced from commercial suppliers in Europe. A 16S rDNA amplicon sequencing approach identified 917 amplicon sequence variants across samples. Taxonomic classification of sequences revealed 4 phyla and 87 genera to be represented in the dataset. Several genera were widespread while some were specific to one or a few cultivars. Flavobacterium, Pseudomonas, and Pantoea were notable in their high overall abundance and prevalence, but community composition was variable and no one taxon was universally abundant, suggesting a high degree of flexibility in community assembly. Taxonomic composition and alpha diversity differed among cultivars, though further work is required to understand the relative influence of hemp genetic factors on community structure. The taxonomic profiles presented here can be used to inform further work investigating the functional characteristics and potential plant-growth-promoting traits of seed-borne bacteria in hemp.
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Affiliation(s)
- Jack Davies
- Institute of Biological, Environmental & Rural Sciences (IBERS)Aberystwyth UniversityAberystwythUK
| | - Sarah Hawkins
- Institute of Biological, Environmental & Rural Sciences (IBERS)Aberystwyth UniversityAberystwythUK
| | - Ana Winters
- Institute of Biological, Environmental & Rural Sciences (IBERS)Aberystwyth UniversityAberystwythUK
| | - Kerrie Farrar
- Institute of Biological, Environmental & Rural Sciences (IBERS)Aberystwyth UniversityAberystwythUK
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Tzimas PS, Beteinakis S, Petrakis EA, Papastylianou PT, Kakabouki I, Small-Howard AL, Skaltsounis LA, Halabalaki M. Uncovering the metabolite complexity and variability of cultivated hemp (Cannabis sativa L.): A first phytochemical diversity mapping in Greece. PHYTOCHEMISTRY 2024; 222:114076. [PMID: 38570005 DOI: 10.1016/j.phytochem.2024.114076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 03/11/2024] [Accepted: 03/28/2024] [Indexed: 04/05/2024]
Abstract
The high value of fiber-type Cannabis sativa L. (hemp) due to its phytochemicals has yet to be fully recognized and leveraged. Besides cannabidiol (CBD), which is the most prevalent non-psychoactive cannabinoid, hemp contains numerous other cannabinoids with unexplored bioactivities, in addition to various compound classes. Previous works have aimed to correlate chemical profiles of C. sativa inflorescences with important parameters, mostly based on experiments under controlled conditions. However, mapping studies that explore the phytochemical diversity of hemp in a more realistic context are crucial to guide decisions at multiple levels, especially in areas where hemp cultivation was recently re-authorized, including Mediterranean countries. In this work, a powerful strategy was followed to map the phytochemical diversity of cultivated hemp in Greece, being the first study of its kind for this environment. A panel of 98 inflorescence samples, covering two harvesting years, eleven geographical regions and seven commonly used EU varieties, were studied using a combination of targeted and untargeted approaches. Quantitative results based on UPLC-PDA revealed relatively constant CBD/THC (total) ratios, while profiling by LC-HRMS effectively probed the phytochemical variability of samples, and led to the annotation of 88 metabolites, including a multitude of minor cannabinoids. Multivariate analysis substantiated a strong effect of harvesting year in sample discrimination and related biomarkers were revealed, belonging to fatty acids and flavonoids. The effect of geographical region and, especially, variety on chemical variation patterns was more intricate to interpret. The results of this work are envisioned to enhance our understanding of the real-world phytochemical complexity of C. sativa (hemp), with a view to maximized utilization of hemp for the promotion of human well-being.
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Affiliation(s)
- Petros S Tzimas
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Stavros Beteinakis
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Eleftherios A Petrakis
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece
| | - Panayiota T Papastylianou
- Laboratory of Agronomy, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos Str., 11855 Athens, Greece
| | - Ioanna Kakabouki
- Laboratory of Agronomy, Department of Crop Science, Agricultural University of Athens, 75 Iera Odos Str., 11855 Athens, Greece
| | | | - Leandros A Skaltsounis
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece.
| | - Maria Halabalaki
- Division of Pharmacognosy and Natural Products Chemistry, Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771 Athens, Greece.
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11
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Scalabrin E, Radaelli M, Capodaglio G, Pierobon M, Del Vecchio S, Buffa G. Hemp cultivation opportunities for marginal lands development. PLoS One 2024; 19:e0299981. [PMID: 38512945 PMCID: PMC10956763 DOI: 10.1371/journal.pone.0299981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 02/20/2024] [Indexed: 03/23/2024] Open
Abstract
Agricultural diversification and high-quality products deriving from sustainable crops such as hemp can represent a solution to revitalize marginal areas and reverse land abandonment. This study aimed at comparing four different hemp cultivars (Carmagnola Selezionata, "CS"; Futura 75, "FUT"; Felina 32, "FEL"; Secuieni Jubileu, "JUB") to provide information to select the best suited cultivar for cultivation in mountain marginal areas and for specific end-use applications. Hemp cultivars were cultivated in a single experimental field to compare their ecological and agronomic behavior (duration of life cycle phases, plant size and biomass allocation, and plant resource-use strategies). Through metabolomic analysis of both vegetative and reproductive parts of the plants we tested the presence of substances of nutraceutical interest and traced seed nutritional profile. The four cultivars had different ecological and agronomic behavior, and nutritional profile. We found several compounds with potential pharmaceutical and nutraceutical values in all parts of the plant (leaves, inflorescences, and stems). JUB resulted the most suitable for seed production while CS showed the highest content of bioactive compounds in flowers and leaves. FUT, showed the best suitability for multi-purpose cultivation, while FEL seemed to be not appropriate for the cultivation in mountain area. The multi-disciplinary approach we adopted was effective in distinguish across hemp cultivars and provided information to farmers for the selection of the best hemp cultivar to select. Hemp had a high potential for cultivation in marginal lands, demonstrating to be an economic resource due to its multi-purpose use and to the possibility to generate high-added values products. Our results could serve as a stimulus for the reintroduction of this culture in the study area and in other similar environments.
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Affiliation(s)
- Elisa Scalabrin
- National Research Council, Polar Science Institute, Venice-Mestre, Italy
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
| | - Marta Radaelli
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
| | - Gabriele Capodaglio
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
| | - Manuela Pierobon
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
| | - Silvia Del Vecchio
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
- Department of Biological, Geological and Environmental Sciences, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Gabriella Buffa
- Department of Environmental Sciences, Informatics and Statistics, University of Venice, Ca’ Foscari, Venice-Mestre, Italy
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12
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Szczepaniec A, Lathrop-Melting A, Janecek T, Nachappa P, Cranshaw W, Alnajjar G, Axtell A. Suppression of hemp russet mite, Aculops cannabicola (Acari: Eriophyidae), in industrial hemp in greenhouse and field. ENVIRONMENTAL ENTOMOLOGY 2024; 53:18-25. [PMID: 37535975 DOI: 10.1093/ee/nvad052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 05/11/2023] [Accepted: 05/31/2023] [Indexed: 08/05/2023]
Abstract
Hemp russet mite, Aculops cannibicola Farkas (Acari: Eriophyidae), is one of the key pests of hemp, Cannabis sativa L. (Rosales: Cannabaceae). Hemp russet mite feeds primarily on new growth and can reach high densities, frequently exceeding a thousand mites per leaf, and leading to a decrease in yield and quality of cannabinoids. The objective of this experiment was to determine the efficacy of reduced-risk pesticides used in organic crop protection as well as conventional insecticides in managing hemp russet mites in a greenhouse and field. Hemp (var. Unicorn) was exposed to leaves heavily infested with hemp russet mites, and once mite densities reached an average of 50 mites per leaf, the following insecticides were applied to the plants: abamectin, etoxazole, fenpyroximate, rosemary oil, and 2 concentrations of a mineral oil. An application of sulfur was also included in the field experiment. Treatments were replicated 9 times in the greenhouse and 6 times in the field. Each of the pesticides significantly reduced hemp russet mite densities in the greenhouse, with all treatments resulting in significant decrease in mite populations 10 days after the initial treatment that persisted until the end of the experiment. On the other hand, only fenpyroximate, sulfur, and rosemary oil provided strong and effective suppression of the mites in the field. This is the first study to test these products against hemp russet mites in hemp, and our outcomes indicate that several pesticides available for organic crop production can provide effective control of the pest.
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Affiliation(s)
- Adrianna Szczepaniec
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Abby Lathrop-Melting
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Taylor Janecek
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Punya Nachappa
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Whitney Cranshaw
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Gabriel Alnajjar
- Department of Agricultural Biology, Colorado State University, 307 University Avenue, Fort Collins, CO 80523, USA
| | - Alice Axtell
- The IR4 Project, North Carolina State University, 1730 Varsity Dr, Raleigh, NC 27606, USA
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13
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Pulkoski M, Burrack H. Assessing the impact of piercing-sucking pests on greenhouse-grown industrial hemp (Cannabis sativa L.). ENVIRONMENTAL ENTOMOLOGY 2024; 53:1-10. [PMID: 37156240 PMCID: PMC10878361 DOI: 10.1093/ee/nvad044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 04/06/2023] [Accepted: 04/24/2023] [Indexed: 05/10/2023]
Abstract
Cannabis sativa or hemp, defined as <0.3% total tetrahydrocannabinol (THC), is a specialty crop in the United States, of particular interest among growers in the southeastern United States to replace tobacco production. Tetranychus urticae (twospotted spider mite), Aculops cannabicola (hemp russet mite), Polyphagotarsonemus latus (broad mites), and Phorodon cannabis (cannabis aphids) are considered the most significant pests in greenhouse grown hemp. Mite and aphid injury can cause cupping and yellowing of leaves, resulting in leaf drop, and reduced flower and resin production. We sought to understand the effects of feeding by T. urticae and Myzus persicae (green peach aphid), as a proxy for P. cannabis, on the concentration of economically significant cannabinoids through a series of experiments on greenhouse grown plants. First, we compared the variability of chemical concentrations in samples collected from individual plants versus pooled samples from 5 plants, and found that chemical concentrations in single plants were similar to those in pooled plant samples. Next, we compared chemical concentrations prior to arthropod infestation and post infestation. When evaluating the mite feeding damage in 2020, cannabinoids in plants infested with high densities of T. urticae increased more slowly than in uninfested control plants or plants infested with low T. urticae densities. In 2021, the concentration of tetrahydrocannabinol did not differ significantly between treatments. Cannabidiol increased more slowly in plants with low T. urticae densities when compared to uninfested controls but did not differ from the high T. urticae densities 14 days after infestation.
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Affiliation(s)
- Melissa Pulkoski
- Department of Entomology and Plant Pathology, North Carolina State University, Raleigh, NC 27695, USA
| | - Hannah Burrack
- Department of Entomology, Michigan State University, East Lansing, MI 48824, USA
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14
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Carter O, MacWilliams J, Nachappa P. Development of a real-time PCR assay for detection of hemp russet mite (Aculops cannabicola). ENVIRONMENTAL ENTOMOLOGY 2024; 53:34-39. [PMID: 37535869 DOI: 10.1093/ee/nvad060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 06/02/2023] [Accepted: 06/15/2023] [Indexed: 08/05/2023]
Abstract
Of the many arthropod species affecting hemp (Cannabis sativa L.) cultivation in the United States, one species of particular importance is the hemp russet mite (Aculops cannabicola, HRM). Hemp russet mite is a microscopic arthropod which feeds on all parts of hemp plants. Due to its minute size, HRM can proliferate undetected for a long time, complicating management efforts and causing serious economic losses. DNA sequencing and PCR assays can facilitate accurate identification and early detection of HRM in infested-plants. Therefore, a real-time SYBR Green based species-specific PCR assay (quantitative PCR, qPCR) was developed for the identification of HRM DNA by amplification of a 104 bp Internal Transcribed Spacer 1 (ITS1) sequence. The detection limit was estimated to be approximately 48 copies of the HRM marker gene sequence. The real-time-PCR assay is rapid, detects all life stages of mite under 2 hours. A 10-fold serial dilution of the plasmid DNA containing the ITS1 insert were used as standards in the real-time PCR assay. The quantification cycle (Cq) value of the assay showed a strong linear relationship with HRM DNA with R2 of 0.96. The assay was tested against several commonly found hemp pests including two-spotted spider mite and western flower thrips to determine specificity of the assay and to show that no non-target species DNA was amplified. The outcomes of this research will have important applications for agricultural biosecurity through accurate identification of HRM, early detection and timely deployment of management tactics to manage and prevent pest outbreaks.
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Affiliation(s)
- Olivia Carter
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
| | - Jacob MacWilliams
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
| | - Punya Nachappa
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
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15
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Arsenault TL, Prapayotin-Riveros K, Ammirata MA, White JC, Dimkpa CO. Compliance Testing of Hemp ( Cannabis sativa L.) Cultivars for Total Delta-9 THC and Total CBD Using Gas Chromatography with Flame Ionization Detection. PLANTS (BASEL, SWITZERLAND) 2024; 13:519. [PMID: 38498421 PMCID: PMC10892002 DOI: 10.3390/plants13040519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 02/08/2024] [Accepted: 02/12/2024] [Indexed: 03/20/2024]
Abstract
The United States Agriculture Improvement Act passed in December of 2018 legalized the growing of Cannabis sativa containing not more than 0.3% total Delta-9 tetrahydrocannabinol (THC) in the country. While Cannabis sativa has been cultivated for hundreds of years, the illegal status of the plant in the United States, and elsewhere, has hindered the development of plant cultivars that meet this legal definition. To assess sampling strategies, and conformance to the THC limit, 14 cultivars of hemp were grown and tested by using gas chromatography with flame ionization detection for total delta-9 THC and total cannabidiol (CBD) during 2020, 2021 and 2022. Each year, samples of fresh plant material were collected from each cultivar weekly, beginning in mid-August and ending in late October, to examine the rate of increase in THC and CBD for different cultivars and select individual plants. The sampling demonstrated that both CBD and THC increase rapidly over a 1-2-week time frame with maximum concentrations (about 16% and 0.6%, respectively) around late September to early October. The testing of individual plants on the same day for select cultivars showed that while the ratio of CBD to THC remains constant (about 20:1 in compliant hemp) during the growing season, the individual plants are highly variable in concentration. Whereas previous studies have shown cultivar-dependent variability in THC production, this study demonstrated a novel plant-to-plant variability in the levels of THC within the same hemp cultivar. Understanding variability within and between hemp cultivars is useful to determine field sampling strategies and to assess the risk of crop embargoes to growers by compliance regulators.
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Affiliation(s)
- Terri L. Arsenault
- Department of Analytical Chemistry, The Connecticut Agricultural Experiment Station, New Haven, CT 06511, USA; (K.P.-R.); (M.A.A.); (J.C.W.); (C.O.D.)
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16
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Pandey K, Hoda W. Cannabinoids in anesthesia and chronic pain: Where do we stand? Saudi J Anaesth 2024; 18:100-104. [PMID: 38313715 PMCID: PMC10833032 DOI: 10.4103/sja.sja_710_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 02/06/2024] Open
Abstract
Cannabis derivatives have been conventionally employed globally for their curative and restorative properties for various ailments. However, its recreational use and consequent legal restrictions have substantially cramped its scientific research. An emerging interest regarding the profound therapeutic potential of cannabinoids has been observed among clinicians. Despite a rich cultural background, high-quality research on cannabinoids is lacking in the Indian scenario. This review readdresses the challenges on this front and brings an insight into the current status of cannabinoids and their utility in scientific exploration. Cannabinoids have a significant medicinal value in various clinical disorders. Its use so far has been based on scarce resources and corroborations, as evidence-based substantiation is limited. Through this review article, we emphasize the remarkable role enacted by cannabinoids in the treatment of various clinical disorders and an utterly significant need to formulate stringent research methodologies to promote its systematic investigation.
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Affiliation(s)
- Khushboo Pandey
- Department of Anaesthesiology, All India Institute of Medical Sciences, Rajkot, Gujarat, India
| | - Wasimul Hoda
- Department of Anaesthesiology, Rajendra Institute of Medical Sciences, Bariatu, Ranchi, Jharkhand, India
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17
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Di Giacomo S, Percaccio E, Vitalone A, Ingallina C, Mannina L, Macone A, Di Sotto A. Characterization of the Chemopreventive Properties of Cannabis sativa L. Inflorescences from Monoecious Cultivars Grown in Central Italy. PLANTS (BASEL, SWITZERLAND) 2023; 12:3814. [PMID: 38005711 PMCID: PMC10675481 DOI: 10.3390/plants12223814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/05/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023]
Abstract
Hemp bioproducts hold great promise as valuable materials for nutraceutical and pharmaceutical applications due to their diverse bioactive compounds and potential health benefits. In line with this interest and in an attempt to valorize the Lazio Region crops, this present study investigated chemically characterized hydroalcoholic and organic extracts, obtained from the inflorescences of locally cultivated Felina 32, USO 31, Ferimon and Fedora 17 hemp varieties. In order to highlight the possible chemopreventive power of the tested samples, a bioactivity screening was performed, which included studying the antimutagenic activity, radical scavenging power, cytotoxicity in human hepatoma HepG2 cells, leakage of lactate dehydrogenase (LDH) and modulation of the oxidative stress parameters and glucose-6-phosphate dehydrogenase (G6PDH) involved in the regulation of the cell transformation and cancer proliferation. Tolerability studies in noncancerous H69 cholangiocytes were performed, too. The organic extracts showed moderate to strong antimutagenic activities and a marked cytotoxicity in the HepG2 cells, associated with an increased oxidative stress and LDH release, and to a G6PDH modulation. The hydroalcoholic extracts mainly exhibited radical scavenging properties with weak or null activities in the other assays. The extracts were usually well-tolerated in H69 cells, except for the highest concentrations which impaired cell viability, likely due to an increased oxidative stress. The obtained results suggest a possibility in the inflorescences from the Felina 32, USO 31, Ferimon and Fedora 17 hemp varieties as source of bioactive compounds endowed with genoprotective and chemopreventive properties that could be harnessed as preventive or adjuvant healing strategies.
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Affiliation(s)
- Silvia Di Giacomo
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (A.V.)
- Unit of Human Nutrition and Health, Department of Food Safety, Nutrition and Veterinary Public Health, National Institute of Health, 00161 Rome, Italy
| | - Ester Percaccio
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (A.V.)
| | - Annabella Vitalone
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (A.V.)
| | - Cinzia Ingallina
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (C.I.); (L.M.)
| | - Luisa Mannina
- Department of Drug Chemistry and Technologies, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (C.I.); (L.M.)
| | - Alberto Macone
- Department of Biochemical Science “A. Rossi Fanelli”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy;
| | - Antonella Di Sotto
- Department of Physiology and Pharmacology “V. Erspamer”, Sapienza University of Rome, P.le Aldo Moro 5, 00185 Rome, Italy; (E.P.); (A.V.)
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18
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Sun Y, Zhu D, Tao R, Li L, Fan B, Wang F. High Specific and Rapid Detection of Cannabidiol by Gold Nanoparticle-Based Paper Sensor. BIOSENSORS 2023; 13:960. [PMID: 37998135 PMCID: PMC10669437 DOI: 10.3390/bios13110960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 10/24/2023] [Accepted: 10/27/2023] [Indexed: 11/25/2023]
Abstract
In order to facilitate monitoring of cannabidiol (CBD), we devised a gold immunochromatographic sensor based on a specific monoclonal antibody (mAb). To prepare the antigen, a novel hapten with CBD moiety and a linear carbon chain was employed. By utilizing hybridoma technology, a specific mAb was screened and identified that exhibited a 50% maximal inhibitory concentration against CBD ranging from 28.97 to 443.97 ng/mL. Extensive optimization led to the establishment of visual limits of detection for CBD, achieving a remarkable sensitivity of 8 μg/mL in the assay buffer. To showcase the accuracy and stability, an analysis of CBD-spiked wine, sparkling water, and sports drink was conducted. The recovery rates observed were as follows: 88.4-109.2% for wine, 89.9-107.8% for sparkling water, and 83.2-95.5% for sports drink. Furthermore, the coefficient of variation remained impressively low, less than 4.38% for wine, less than 2.07% for sparkling water, and less than 6.34% for sports drink. Importantly, the developed sensor exhibited no cross-reaction with tetrahydrocannabinol (THC). In conclusion, the proposed paper sensor, employing gold nanoparticles, offers a user-friendly and efficient approach for the precise, rapid, and dependable determination of CBD in products.
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Affiliation(s)
| | | | | | | | - Bei Fan
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Y.S.); (D.Z.); (R.T.); (L.L.)
| | - Fengzhong Wang
- Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China; (Y.S.); (D.Z.); (R.T.); (L.L.)
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19
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Brendan Hayes C, Carter O, Robert MacWilliams J, Cranshaw W, Chaparro JM, Prenni JE, Nachappa P. Biology and management of hemp russet mite (Acari: Eriophyidae). JOURNAL OF ECONOMIC ENTOMOLOGY 2023; 116:1706-1714. [PMID: 37450624 DOI: 10.1093/jee/toad137] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 06/19/2023] [Accepted: 06/28/2023] [Indexed: 07/18/2023]
Abstract
Hemp is rapidly becoming a crop of global agricultural importance, and one of the more serious pests of this crop is hemp russet mite (HRM) Aculops cannabicola (Acari: Eriophyidae). Significant knowledge gaps presently exist regarding critical aspects of pest biology, quantification of crop damage, and efficacy of pesticides. Here we assessed the role of cannabidiol (CBD) on HRM performance, efficacy of sulfur treatments in field trials, and effect of hot water immersion with and without surfactants in reducing HRM counts on hemp cuttings. We found that HRM fecundity was reduced on a high-CBD cultivar compared with a low-CBD cultivar in detached leaf assays. In contrast, HRM fecundity and survival were not impacted when reared on high-CBD diet in artificial feeding assays. This suggests that cannabinoids other than CBD may aid in reduction of mite populations on the high-CBD cultivar. Sulfur sprays reduced HRM populations by up to 98% with the greatest effects seen in plants receiving dual applications, one during the vegetative period in July and the second at the initiation of flowering in August. Yields of plants treated with sulfur increased by up to 33%, and there was a further increase in cannabinoid production by up to 45% relative to untreated plants. Hot water immersion treatments with and without surfactant solution reduced HRM on infested hemp cuttings, and no phytotoxicity was observed. This study provides novel approaches to mitigating HRM at multiple stages in hemp production.
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Affiliation(s)
| | - Olivia Carter
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
| | | | - Whitney Cranshaw
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
| | - Jacqueline M Chaparro
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO 80523, USA
| | - Jessica E Prenni
- Department of Horticulture and Landscape Architecture, Colorado State University, Fort Collins, CO 80523, USA
| | - Punya Nachappa
- Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, USA
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20
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Matros A, Menz P, Gill AR, Santoscoy A, Dawson T, Seiffert U, Burton RA. Non-invasive assessment of cultivar and sex of Cannabis sativa L. by means of hyperspectral measurement. PLANT-ENVIRONMENT INTERACTIONS (HOBOKEN, N.J.) 2023; 4:258-274. [PMID: 37822731 PMCID: PMC10564378 DOI: 10.1002/pei3.10116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 10/13/2023]
Abstract
Cannabis sativa L. is a versatile crop attracting increasing attention for food, fiber, and medical uses. As a dioecious species, males and females are visually indistinguishable during early growth. For seed or cannabinoid production, a higher number of female plants is economically advantageous. Currently, sex determination is labor-intensive and costly. Instead, we used rapid and non-destructive hyperspectral measurement, an emerging means of assessing plant physiological status, to reliably differentiate males and females. One industrial hemp (low tetrahydrocannabinol [THC]) cultivar was pre-grown in trays before transfer to the field in control soil. Reflectance spectra were acquired from leaves during flowering and machine learning algorithms applied allowed sex classification, which was best using a radial basis function (RBF) network. Eight industrial hemp (low THC) cultivars were field grown on fertilized and control soil. Reflectance spectra were acquired from leaves at early development when the plants of all cultivars had developed between four and six leaf pairs and in three cases only flower buds were visible (start of flowering). Machine learning algorithms were applied, allowing sex classification, differentiation of cultivars and fertilizer regime, again with best results for RBF networks. Differentiating nutrient status and varietal identity is feasible with high prediction accuracy. Sex classification was error-free at flowering but less accurate (between 60% and 87%) when using spectra from leaves at early growth stages. This was influenced by both cultivar and soil conditions, reflecting developmental differences between cultivars related to nutritional status. Hyperspectral measurement combined with machine learning algorithms is valuable for non-invasive assessment of C. sativa cultivar and sex. This approach can potentially improve regulatory security and productivity of cannabis farming.
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Affiliation(s)
- Andrea Matros
- ARC Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and WineUniversity of AdelaideAdelaideSouth AustraliaAustralia
- Present address:
Compolytics GmbHBarlebenSaxony‐AnhaltGermany
| | - Patrick Menz
- Biosystems EngineeringFraunhofer IFFMagdeburgGermany
| | - Alison R. Gill
- ARC Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and WineUniversity of AdelaideAdelaideSouth AustraliaAustralia
| | | | - Tim Dawson
- Australian Hemp Seed CompanyGawlerSouth AustraliaAustralia
| | - Udo Seiffert
- Biosystems EngineeringFraunhofer IFFMagdeburgGermany
- Australian Plant Phenomics Facility, School of Agriculture, Food and Wine & Waite Research InstituteUniversity of AdelaideUrrbraeSouth AustraliaAustralia
- Present address:
Compolytics GmbHBarlebenSaxony‐AnhaltGermany
| | - Rachel A. Burton
- ARC Centre of Excellence in Plant Energy Biology, School of Agriculture, Food and WineUniversity of AdelaideAdelaideSouth AustraliaAustralia
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Xie Z, Mi Y, Kong L, Gao M, Chen S, Chen W, Meng X, Sun W, Chen S, Xu Z. Cannabis sativa: origin and history, glandular trichome development, and cannabinoid biosynthesis. HORTICULTURE RESEARCH 2023; 10:uhad150. [PMID: 37691962 PMCID: PMC10485653 DOI: 10.1093/hr/uhad150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Accepted: 07/18/2023] [Indexed: 09/12/2023]
Abstract
Is Cannabis a boon or bane? Cannabis sativa has long been a versatile crop for fiber extraction (industrial hemp), traditional Chinese medicine (hemp seeds), and recreational drugs (marijuana). Cannabis faced global prohibition in the twentieth century because of the psychoactive properties of ∆9-tetrahydrocannabinol; however, recently, the perspective has changed with the recognition of additional therapeutic values, particularly the pharmacological potential of cannabidiol. A comprehensive understanding of the underlying mechanism of cannabinoid biosynthesis is necessary to cultivate and promote globally the medicinal application of Cannabis resources. Here, we comprehensively review the historical usage of Cannabis, biosynthesis of trichome-specific cannabinoids, regulatory network of trichome development, and synthetic biology of cannabinoids. This review provides valuable insights into the efficient biosynthesis and green production of cannabinoids, and the development and utilization of novel Cannabis varieties.
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Affiliation(s)
- Ziyan Xie
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin 150040, China
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Yaolei Mi
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin 150040, China
- College of Life Science, Northeast Forestry University, Harbin 150040, China
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Lingzhe Kong
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin 150040, China
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Maolun Gao
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin 150040, China
- College of Life Science, Northeast Forestry University, Harbin 150040, China
| | - Shanshan Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Weiqiang Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Xiangxiao Meng
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Wei Sun
- College of Life Science, Northeast Forestry University, Harbin 150040, China
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, China
| | - Shilin Chen
- College of Life Science, Northeast Forestry University, Harbin 150040, China
- Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Zhichao Xu
- Key Laboratory of Saline-alkali Vegetation Ecology Restoration (Northeast Forestry University), Ministry of Education, Harbin 150040, China
- College of Life Science, Northeast Forestry University, Harbin 150040, China
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Padilla-González GF, Rosselli A, Sadgrove NJ, Cui M, Simmonds MS. Mining the chemical diversity of the hemp seed ( Cannabis sativa L.) metabolome: discovery of a new molecular family widely distributed across hemp. FRONTIERS IN PLANT SCIENCE 2023; 14:1114398. [PMID: 37636102 PMCID: PMC10449600 DOI: 10.3389/fpls.2023.1114398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Accepted: 07/19/2023] [Indexed: 08/29/2023]
Abstract
Hemp (Cannabis sativa L.) is a widely researched industrial crop with a variety of applications in the pharmaceutical, nutraceutical, food, cosmetic, textile, and materials industries. Although many of these applications are related to its chemical composition, the chemical diversity of the hemp metabolome has not been explored in detail and new metabolites with unknown properties are likely to be discovered. In the current study, we explored the chemical diversity of the hemp seed metabolome through an untargeted metabolomic study of 52 germplasm accessions to 1) identify new metabolites and 2) link the presence of biologically important molecules to specific accessions on which to focus on in future studies. Multivariate analysis of mass spectral data demonstrated large variability of the polar chemistry profile between accessions. Five main groups were annotated based on their similar metabolic fingerprints. The investigation also led to the discovery of a new compound and four structural analogues, belonging to a previously unknown chemical class in hemp seeds: cinnamic acid glycosyl sulphates. Although variability in the fatty acid profiles was not as marked as the polar components, some accessions had a higher yield of fatty acids, and variation in the ratio of linoleic acid to α-linolenic acid was also observed, with some varieties closer to 3:1 (reported as optimal for human nutrition). We found that that cinnamic acid amides and lignanamides, the main chemical classes of bioactive metabolites in hemp seed, were more concentrated in the Spanish accession Kongo Hanf (CAN58) and the French accession CAN37, while the Italian cultivar Eletta Campana (CAN48) demonstrated the greatest yield of fatty acids. Our results indicate that the high variability of bioactive and novel metabolites across the studied hemp seed accessions may influence claims associated with their commercialization and inform breeding programs in cultivar development.
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Affiliation(s)
| | - Abigail Rosselli
- Enhanced Partnerships Department Royal Botanic Gardens, Kew, London, United Kingdom
| | - Nicholas J. Sadgrove
- Enhanced Partnerships Department Royal Botanic Gardens, Kew, London, United Kingdom
- Department of Botany and Plant Biotechnology, University of Johannesburg (Auckland Park Campus), Auckland Park, Johannesburg, South Africa
| | - Max Cui
- Enhanced Partnerships Department Royal Botanic Gardens, Kew, London, United Kingdom
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Mi Y, Cao X, Zhu X, Chen W, Meng X, Wan H, Sun W, Wang S, Chen S. Characterization and co-expression analysis of ATP-binding cassette transporters provide insight into genes related to cannabinoid transport in Cannabis sativa L. Int J Biol Macromol 2023:124934. [PMID: 37224907 DOI: 10.1016/j.ijbiomac.2023.124934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 05/06/2023] [Accepted: 05/09/2023] [Indexed: 05/26/2023]
Abstract
Plant ATP-binding cassette (ABC) transporters contribute the transport of diverse secondary metabolites. However, their roles in cannabinoid trafficking are still unsolved in Cannabis sativa. In this study, 113 ABC transporters were identified and characterized in C. sativa from their physicochemical properties, gene structure, and phylogenic relationship, as well as spatial gene expression patterns. Eventually, seven core transporters were proposed including one member in ABC subfamily B (CsABCB8) and six ABCG members (CsABCG4, CsABCG10, CsABCG11, CsABCG32, CsABCG37, and CsABCG41), harboring potential in participating cannabinoid transport, by combining phylogenetic and co-expression analysis from the gene and metabolite level. The candidate genes exhibited a high correlation with cannabinoid biosynthetic pathway genes and the cannabinoid content, and they were highly expressed where cannabinoids appropriately biosynthesized and accumulated. The findings underpin further research on the function of ABC transporters in C. sativa, especially in unveiling the mechanisms of cannabinoid transport to boost systematic and targeted metabolic engineering.
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Affiliation(s)
- Yaolei Mi
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Xue Cao
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Xuewen Zhu
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Weiqiang Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Xiangxiao Meng
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Huihua Wan
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Wei Sun
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China
| | - Sifan Wang
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China.
| | - Shilin Chen
- Key Laboratory of Beijing for Identification and Safety Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100070, China; Institute of Herbgenomics, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China.
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24
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Martínez B, Bernat-Maso E, Gil L. Applications and Properties of Hemp Stalk-Based Insulating Biomaterials for Buildings: Review. MATERIALS (BASEL, SWITZERLAND) 2023; 16:3245. [PMID: 37110081 PMCID: PMC10141920 DOI: 10.3390/ma16083245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 06/19/2023]
Abstract
There has been increasing interest in green and recyclable materials to promote the circular economy. Moreover, the climate change of the last decades has led to an increase in the range of temperatures and energy consumption, which entails more energy expenditure for heating and cooling buildings. In this review, the properties of hemp stalk as an insulating material are analyzed to obtain recyclable materials with green solutions to reduce energy consumption and reduce noise to increase the comfort of buildings. Hemp stalks are a low-value by-product of hemp crops; however, they are a lightweight material with a high insulating property. This study aims to summarize the research progress in materials based on hemp stalks and to study the properties and characteristics of the different vegetable binders that could be used to produce a bio-insulating material. The material itself and its microstructural and physical aspects that affect the insulating properties are discussed, as is their influence on durability, moisture resistance, and fungi growth. Research suggests using lignin-based or recyclable cardboard fiber to develop a bio-composite material from hemp stalk, but long-term stability requires further investigation.
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Schilling S, Melzer R, Dowling CA, Shi J, Muldoon S, McCabe PF. A protocol for rapid generation cycling (speed breeding) of hemp (Cannabis sativa) for research and agriculture. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2023; 113:437-445. [PMID: 36458321 PMCID: PMC10108250 DOI: 10.1111/tpj.16051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 11/16/2022] [Accepted: 11/19/2022] [Indexed: 06/17/2023]
Abstract
Hemp (Cannabis sativa) is a highly versatile crop with a multitude of applications, from textiles, biofuel and building material to high-value food products for consumer markets. Furthermore, non-hallucinogenic cannabinoids like cannabidiol (CBD), which can be extracted from female hemp flowers, are potentially valuable pharmacological compounds. In addition, hemp has high carbon sequestration potential associated with its rapid growth rate. Therefore, the hemp industry is gaining more traction and breeding hemp cultivars adapted to local climate conditions or bred for specific applications is becoming increasingly important. Here, we present a method for the rapid generation cycling (speed breeding) of hemp. The speed breeding protocol makes use of the photoperiod sensitivity of Cannabis. It encompasses vegetative growth of the plants for 2 weeks under continuous light, followed by 4 weeks under short-day conditions, during which flower induction, pollination and seed development proceed, and finally a seed ripening phase under continuous light and water stress. With the protocol described here, a generation time of under 9 weeks (61 days) from seed to seed can be achieved. Furthermore, our method synchronises the flowering time of different hemp cultivars, thus facilitating crosses between cultivars. The extremely short generation time will enable hemp researchers and breeders to perform crosses in a time-efficient way and generate new hemp cultivars with defined genetic characteristics over a short period of time.
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Affiliation(s)
- Susanne Schilling
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
| | - Rainer Melzer
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
| | - Caroline A. Dowling
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
| | - Jiaqi Shi
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
| | - Shaun Muldoon
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
| | - Paul F. McCabe
- School of Biology and Environmental ScienceUniversity College DublinBelfieldDublinIreland
- UCD Earth InstituteUniversity College DublinBelfieldDublinIreland
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26
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Both AK, Choudhry D, Cheung CL. Valorization of hemp fibers into biocomposites via one‐step pectin‐based green fabrication process. J Appl Polym Sci 2023. [DOI: 10.1002/app.53586] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Avinash Kumar Both
- Department of Chemistry University of Nebraska‐Lincoln Lincoln Nebraska USA
| | - Deepa Choudhry
- Department of Chemistry University of Nebraska‐Lincoln Lincoln Nebraska USA
| | - Chin Li Cheung
- Department of Chemistry University of Nebraska‐Lincoln Lincoln Nebraska USA
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Luyckx M, Hausman JF, Guerriero G, Lutts S. Silicon reduces zinc absorption and triggers oxidative tolerance processes without impacting growth in young plants of hemp (Cannabis sativa L.). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:943-955. [PMID: 35907072 DOI: 10.1007/s11356-022-21797-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Hemp (Cannabis sativa L.) is a promising crop for non-food agricultural production on soils contaminated by moderate doses of heavy metals, while silicon, as a beneficial element, is frequently reported to improve stressed plant behavior. Using a hydroponic system, plants of Cannabis sativa (cv. Santhica 27) were exposed for 1 week to 100 µM Zn in the presence or absence of 2 mM Si. Zinc accumulated in all plant organs but was mainly sequestered in the roots. Additional Si reduced Zn absorption but had no impact on Zn translocation. Zn accumulation had a slight negative impact on leaf number, stem length, and chlorophyll content, and additional Si did not mitigate these symptoms. Exogenous Si reduced the Zn-induced membrane lipid peroxidation (assessed by malondialdehyde quantification) and increased the total antioxidant activities estimated by the FRAP index. In the absence of Si, leaf phytochelatin and total glutathione were the highest in Zn-treated plants and Si significantly decreased their concentrations.
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Affiliation(s)
- Marie Luyckx
- Groupe de Recherche en Physiologie végétale, Earth and Life Institute - Agronomy (ELIA), Université Catholique de Louvain, 5 (Bte13) Place Croix du Sud, 1348, Louvain-la-Neuve, Belgium.
| | - Jean-François Hausman
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 5 Avenue des Hauts-Fourneaux, 4362, Esch/Alzette, Luxembourg
| | - Gea Guerriero
- Environmental Research and Innovation (ERIN) Department, Luxembourg Institute of Science and Technology (LIST), 5 Avenue des Hauts-Fourneaux, 4362, Esch/Alzette, Luxembourg
| | - Stanley Lutts
- Groupe de Recherche en Physiologie végétale, Earth and Life Institute - Agronomy (ELIA), Université Catholique de Louvain, 5 (Bte13) Place Croix du Sud, 1348, Louvain-la-Neuve, Belgium
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28
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Cleophas FN, Zahari NZ, Murugayah P, Rahim SA, Mohd Yatim AN. Phytoremediation: A Novel Approach of Bast Fiber Plants (Hemp, Kenaf, Jute and Flax) for Heavy Metals Decontamination in Soil-Review. TOXICS 2022; 11:5. [PMID: 36668731 PMCID: PMC9864374 DOI: 10.3390/toxics11010005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 12/01/2022] [Accepted: 12/16/2022] [Indexed: 06/17/2023]
Abstract
Heavy metal pollution in the environment is a major concern for humans as it is non-biodegradable and can have a lot of effects on the environment, humans as well as plants. At present, a solution to this problem is suggested in terms of a new, innovative and eco-friendly technology known as phytoremediation. Bast fiber plants are typically non-edible crops that have a short life cycle. It is one of the significant crops that has attracted interest for many industrial uses because of its constant fiber supply and ease of maintenance. Due to its low maintenance requirements with minimum economic investment, bast fiber plants have been widely used in phytoremediation. Nevertheless, these plants have the ability to extract metals from the soil through their deep roots, combined with their commercial prospects, making them an ideal candidate as a profit-yielding crop for phytoremediation purposes. Therefore, a comprehensive review is needed for a better understanding of the morphology and phytoremediation mechanism of four commonly bast fiber plants, such as hemp (Cannabis sativa), kenaf (Hibiscus cannabinus), jute (Corchorus olitorius) and Flax (Linum usitatissimum). This review article summarizes the existing research on the phytoremediation potential of these plants grown in different toxic pollutants such as Lead (Pb), Cadmium (Cd) and Zinc (Zn). This work also discusses several aids including natural and chemical amendments to improve phytoremediation. The role of these amendments in the bioavailability of contaminants, their uptake, translocation and bioaccumulation, as well as their effect on plant growth and development, has been highlighted in this paper. This paper helps in identifying, comparing and addressing the recent achievements of bast fiber plants for the phytoremediation of heavy metals in contaminated soil.
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Affiliation(s)
- Fera Nony Cleophas
- Environmental Science Programme, Faculty of Science & Natural Resources, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
- Small Islands Research Center, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
| | - Nur Zaida Zahari
- Environmental Science Programme, Faculty of Science & Natural Resources, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
- Small Islands Research Center, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
| | - Pavitra Murugayah
- Environmental Science Programme, Faculty of Science & Natural Resources, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
| | - Sahibin Abd Rahim
- Environmental Science Programme, Faculty of Science & Natural Resources, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
| | - Ahmad Norazhar Mohd Yatim
- Environmental Science Programme, Faculty of Science & Natural Resources, Universiti Malaysia Sabah, UMS Road, Kota Kinabalu 88400, Sabah, Malaysia
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29
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Wang Y, Gao J, Cheng C, Lv J, Lambo MT, Zhang G, Li Y, Zhang Y. Nutritional Values of Industrial Hemp Byproducts for Dairy Cattle. Animals (Basel) 2022; 12:ani12243488. [PMID: 36552408 PMCID: PMC9774913 DOI: 10.3390/ani12243488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 12/08/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022] Open
Abstract
The objective of this experiment was to explore the nutritional components of industrial hemp byproducts (industrial hemp ethanol extraction byproduct, IHEEB; industrial hemp stalk, IHS; industrial hemp seed meal, IHSM; industrial hemp oil filter residue, IHOFR) and provide theoretical support for the application of industrial hemp byproducts in dairy cattle production. This experiment used a combination of a wet chemical method with Cornell Net Carbohydrate and Protein System, in situ nylon bag technique, and three-step in vitro method to compare the chemical composition, carbohydrate and protein composition, in situ ruminal degradability and intestinal digestibility of industrial hemp byproducts and conventional feeds (alfalfa hay, AH; soybean meal, SBM). Available energy values were estimated based on the National Academies of Sciences, Engineering, and Medicine. The results showed that the nutritional composition of different feeds varied greatly. The two types of IHEEB were enriched with ash, crude protein (CP), neutral detergent fiber (NDF), and calcium, while the contents of neutral detergent insoluble crude protein, acid detergent insoluble crude protein, and acid detergent lignin were higher. As a result, the non-degradable carbohydrate and protein components were higher, and the effective degradation rate of rumen dry matter and protein was lower. IHS contains higher non-protein nitrogen and NDF, which enables it to provide more CP rumen effective degradation rate and carbohydrates, but the high acid detergent fiber also limits its application. IHSM possesses 296 g/kg CP and high rumen undegradable protein and intestinal digested protein, which can provide rumen bypass protein in dairy cows, making it a potentially good protein source. IHOFR had higher ether extract, rumen available protein degradation rate, and total tract digested protein, which can provide more energy and easily degradable protein for lactating cows. The available energy value of IHEEB and IHS was lower than AH, while SBM is between IHFOR and IHSM. In addition, the tetrahydrocannabinol of three industrial hemp byproducts that have not been assessed by the European Food Safety Authority (EFSA) was tested to evaluate their safety, and all of them were less than the limit set by ESFA. In conclusion, industrial hemp byproducts can be considered for inclusion in dietary formulations as unconventional feed sources for dairy cattle, but the purpose of use needs to be properly considered.
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Affiliation(s)
| | | | | | | | | | | | - Yang Li
- Correspondence: (Y.L.); (Y.Z.); Tel.: +86-0451-55190840 (Y.Z.)
| | - Yonggen Zhang
- Correspondence: (Y.L.); (Y.Z.); Tel.: +86-0451-55190840 (Y.Z.)
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30
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Corrado G, Pannico A, Zarrelli A, Kyriacou MC, De Pascale S, Rouphael Y. Macro and trace element mineral composition of six hemp varieties grown as microgreens. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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31
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Karabulut G, Feng H, Yemiş O. Physicochemical and Antioxidant Properties of Industrial Hemp Seed Protein Isolate Treated by High-Intensity Ultrasound. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2022; 77:577-583. [PMID: 36227525 DOI: 10.1007/s11130-022-01017-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Ultrasound is one of the non-thermal, green, and novel technologies used to functionalize plant proteins. We recently determined the optimum conditions of high-intensity ultrasound (HIUS) treatment for maximum solubility and investigated the functional properties of hemp seed protein isolate (HSPI) under the optimal conditions. In this study, we analyzed changes in primary, secondary, and tertiary structures, physical microstructures, thermal stability, and antioxidant capacity of ultrasound-applied hemp protein isolate (HSPI-HIUS). The free SH group content (+59%) and zeta potential (+25%) increased upon ultrasound treatment. The electrophoretic protein patterns of HSPI showed no significant change after HIUS treatment. The FTIR spectrum revealed the wavenumber shifts in Amid 1 and 2 regions of protein. The denaturation temperature and the ratio of β-structure increased after sonication. Antioxidant properties of hemp seed protein isolates were increased by 38% by ultrasound treatment. The obtained data in this study showed that HIUS treatment would be promising for improving the functional, physicochemical, and antioxidant properties of HSPI.
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Affiliation(s)
- Gulsah Karabulut
- Faculty of Engineering, Department of Food Engineering, Sakarya University, 54187, Sakarya, Turkey
- Department of Food Science and Human Nutrition, Illinois University at Urbana Champaign, Urbana, IL, 61801, USA
- Research, Development and Application Center (SARGEM), Sakarya University, 54050, Sakarya, Turkey
| | - Hao Feng
- Department of Food Science and Human Nutrition, Illinois University at Urbana Champaign, Urbana, IL, 61801, USA
| | - Oktay Yemiş
- Faculty of Engineering, Department of Food Engineering, Sakarya University, 54187, Sakarya, Turkey.
- Research, Development and Application Center (SARGEM), Sakarya University, 54050, Sakarya, Turkey.
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32
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Krüger M, van Eeden T, Beswa D. Cannabis sativa Cannabinoids as Functional Ingredients in Snack Foods-Historical and Developmental Aspects. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11233330. [PMID: 36501366 PMCID: PMC9739163 DOI: 10.3390/plants11233330] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/04/2022] [Accepted: 11/08/2022] [Indexed: 05/10/2023]
Abstract
The published health benefits of Cannabis sativa has caught the attention of health-conscious consumers and the food industry. Historically, seeds have long been utilized as a food source and currently there is an increasing number of edibles on the market that contain cannabis. Cannabinoids include the psychoactive constituent, delta-9-tetrahydrocannabinol (THC), and the non-psychoactive cannabidiol (CBD) that are both compounds of interest in Cannabis sativa. This paper looks at the distribution of nutrients and phytocannabinoids in low-THC Cannabis sativa, the historical uses of hemp, cannabis edibles, and the possible side-effects and concerns related to cannabis edibles. Several authors have pointed out that even though the use of cannabis edibles is considered safe, it is important to mention their possible side-effects and any concerns related to its consumption that negatively influence consumer acceptance of cannabis edibles. Such risks include unintentional overdose by adults and accidental ingestion by children and adolescents resulting in serious adverse effects. Therefore, cannabis edibles should be specifically packaged and labelled to differentiate them from known similar non-cannabis edibles so that, together with tamperproof packaging, these measures reduce the appeal of these products to children.
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Affiliation(s)
- Marlize Krüger
- Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, University of South Africa, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa
| | - Tertia van Eeden
- Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, University of South Africa, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa
| | - Daniso Beswa
- Department of Life and Consumer Sciences, School of Agriculture and Life Sciences, University of South Africa, 28 Pioneer Ave, Florida Park, Roodepoort 1709, South Africa
- Department of Biotechnology and Food Technology, Faculty of Science, University of Johannesburg, 25 Louisa St, Doornfontein, Johannesburg 2028, South Africa
- Correspondence: ; Tel.: +27-11559-6000
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Aloo SO, Mwiti G, Ngugi LW, Oh DH. Uncovering the secrets of industrial hemp in food and nutrition: The trends, challenges, and new-age perspectives. Crit Rev Food Sci Nutr 2022; 64:5093-5112. [PMID: 36440859 DOI: 10.1080/10408398.2022.2149468] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Hemp is a valuable crop with a wide range of use, from applications in foods and textiles to pharmaceuticals. Over recent years, the use of hemp as food and food ingredients has drastically increased. The growth is driven by numerous health benefits hemp possesses and its wide range of applications in the food industry. This review provides the scientific literature concerning the benefits of industrial hemp in the food industry. The relevant historical context of use, recent applications in the food industry, health benefits, various development challenges, and the global market outlook for hemp-based food products have been analyzed. Evidence suggests that today hemp is widely consumed as food or an ingredient in the food. Hemp-based foods are marketed as having various health benefits, although their reception by target consumers and success varies. Besides, scientific research on hemp-derived foods has dramatically increased over recent years. Numerous in vitro and in vivo studies have investigated the health benefits of hemp-based foods. Therefore, there is a promising growth trend in producing novel foods from industrial hemp. Nevertheless, due to health concerns related to THC, there is a general need for regulatory compliance when integrating hemp into foods to ensure product safety before use.
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Affiliation(s)
- Simon Okomo Aloo
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Gangwon-do, Republic of Korea
| | - Godfrey Mwiti
- Department of Food and Nutrition, Chungnam National University, Daejeon, Republic of Korea
| | - Louise Wanjiku Ngugi
- Department of Food Science and Nutrition, School of Agriculture and Biotechnology, Karatina University, Karatina, Kenya
| | - Deog-Hwan Oh
- Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, Gangwon-do, Republic of Korea
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Antioxidant Properties of Hemp Proteins: From Functional Food to Phytotherapy and Beyond. Molecules 2022; 27:molecules27227924. [PMID: 36432024 PMCID: PMC9693028 DOI: 10.3390/molecules27227924] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 11/10/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022] Open
Abstract
As one of the oldest plants cultivated by humans, hemp used to be banned in the United States but returned as a legal crop in 2018. Since then, the United States has become the leading hemp producer in the world. Currently, hemp attracts increasing attention from consumers and scientists as hemp products provide a wide spectrum of potential functions. Particularly, bioactive peptides derived from hemp proteins have been proven to be strong antioxidants, which is an extremely hot research topic in recent years. However, some controversial disputes and unknown issues are still underway to be explored and verified in the aspects of technique, methodology, characteristic, mechanism, application, caution, etc. Therefore, this review focusing on the antioxidant properties of hemp proteins is necessary to discuss the multiple critical issues, including in vitro structure-modifying techniques and antioxidant assays, structure-activity relationships of antioxidant peptides, pre-clinical studies on hemp proteins and pathogenesis-related molecular mechanisms, usage and potential hazard, and novel advanced techniques involving bioinformatics methodology (QSAR, PPI, GO, KEGG), proteomic analysis, and genomics analysis, etc. Taken together, the antioxidant potential of hemp proteins may provide both functional food benefits and phytotherapy efficacy to human health.
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35
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Kim AL, Yun YJ, Choi HW, Hong CH, Shim HJ, Lee JH, Kim YC. Profiling Cannabinoid Contents and Expression Levels of Corresponding Biosynthetic Genes in Commercial Cannabis ( Cannabis sativa L.) Cultivars. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11223088. [PMID: 36432817 PMCID: PMC9697443 DOI: 10.3390/plants11223088] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/11/2022] [Accepted: 11/11/2022] [Indexed: 05/27/2023]
Abstract
Cannabis (Cannabis sativa L.) is widely cultivated and studied for its psychoactive and medicinal properties. As the major cannabinoids are present in acidic forms in Cannabis plants, non-enzymatic processes, such as decarboxylation, are crucial for their conversion to neutral active cannabinoid forms. Herein, we detected the levels of cannabidivarin (CBDV), cannabidiol (CBD), cannabichromene (CBC), and Δ9-tetrahydrocannabinol (Δ9-THC) in the leaves and vegetative shoots of five commercial Cannabis cultivars using a combination of relatively simple extraction, decarboxylation, and high-performance liquid chromatography analyses. The CBDV, CBC, and Δ9-THC levels were 6.3-114.9, 34.4-187.2, and 57.6-407.4 μg/g, respectively, and the CBD levels were the highest, ranging between 1.2-8.9 μg/g in leaf and vegetative shoot tissues of Cannabis cultivars. Additionally, correlations were observed between cannabinoid accumulation and transcription levels of genes encoding key enzymes for cannabinoid biosynthesis, including CsCBGAS, CsCBDAS, CsCBCAS, and CsTHCAS. These data suggest that the high accumulation of cannabinoids, such as CBC, Δ9-THC, and CBD, might be derived from the transcriptional regulation of CsCBGAS and CsCBDAS in Cannabis plants.
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Affiliation(s)
- Ae Lim Kim
- Division of Life Sciences, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
- School of Pharmacy, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
| | - Young Jae Yun
- Division of Life Sciences, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
| | - Hyong Woo Choi
- Department of Plant Medicals, Andong National University, 1375 Gyeongdong-ro, Andong-si 39729, Gyeongsangbuk-do, Korea
| | - Chang-Hee Hong
- LED Agri-Bio Fusion Technology Research Center, Jeonbuk National University Specialized Campus, 79 Gobong-ro, Iksan 54596, Jeollabuk-do, Korea
| | - Hyun Joo Shim
- School of Pharmacy, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
| | - Jeong Hwan Lee
- Division of Life Sciences, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
| | - Young-Cheon Kim
- Division of Life Sciences, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju 54896, Jeollabuk-do, Korea
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Cabral EM, Poojary MM, Lund MN, Curtin J, Fenelon M, Tiwari BK. Effect of solvent composition on the extraction of proteins from hemp oil processing stream. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2022; 102:6293-6298. [PMID: 35514139 PMCID: PMC9790205 DOI: 10.1002/jsfa.11979] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 04/29/2022] [Accepted: 05/05/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND Hempseed meal, a by-product of the hempseed oil processing stream, is a potential alternative source for food proteins. Efficient extraction of proteins from hempseed meal is challenging owing to differences in the structure and solubility of various protein fractions present in the seed. In the present study, protein was extracted from hempseed meal using four different solvents, including aqueous NaOH, KOH, NaHCO3 and NaCl, at four different concentrations with the aim of improving the recovery of protein fractions rich in essential amino acids. RESULTS Extraction using alkaline solvents provided superior protein recovery (60-78%) compared with NaCl solution and control extractions (20-48% and 21%, respectively). The concentration of alkali or salt (0.25-1 mol L-1 ) had a minor but significant impact on the yield. Amino acid composition analysis revealed that hempseed meal contains 24% (54.5 ± 0.19 mg g-1 ) essential amino acids of total amino acids, and extraction with NaOH, KOH, NaHCO3 or NaCl did not improve the selective extraction of essential amino acids compared to control experiments. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) analysis allowed the identification of edestin and albumin in the extracts obtained with NaHCO3 and NaCl solvents, with results further showing that the type of extraction solvent influences protein extraction selectivity. CONCLUSION Although alkali solvents provide superior extraction yields, extraction with water resulted in extracts containing the highest proportion of proteins bearing essential amino acids. According to the results of SDS-PAGE, extraction using alkali solvents induced protein crosslinking. © 2022 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Eduarda M Cabral
- Department of Food Chemistry and TechnologyTeagasc Food Research CentreDublinIreland
| | - Mahesha M Poojary
- Department of Food Science, Faculty of ScienceUniversity of CopenhagenFrederiksberg CDenmark
| | - Marianne N Lund
- Department of Food Science, Faculty of ScienceUniversity of CopenhagenFrederiksberg CDenmark
- Department of Biomedical Sciences, Faculty of Health and Medical SciencesUniversity of CopenhagenCopenhagenDenmark
| | - James Curtin
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University DublinDublinIreland
| | - Mark Fenelon
- Department of Food Chemistry and TechnologyTeagasc Food Research CentreCo. CorkIreland
| | - Brijesh K Tiwari
- Department of Food Chemistry and TechnologyTeagasc Food Research CentreDublinIreland
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Utilizing Nutritional and Polyphenolic Compounds in Underutilized Plant Seeds for Health Application. Molecules 2022; 27:molecules27206813. [PMID: 36296406 PMCID: PMC9612334 DOI: 10.3390/molecules27206813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 01/19/2022] [Accepted: 01/28/2022] [Indexed: 11/21/2022] Open
Abstract
Plants represent a significant part of the human diet. Humans have utilized every part of plants for survival, and seeds are no exception. Seeds offer high protein, unsaturated fats, fibre, essential vitamins, and minerals for various food applications. They are also a promising reservoir of bioactive compounds, where various phytochemicals, such as polyphenolic compounds, capable of maintaining and improving well-being, are present in abundant quantities. Plants from Malvaceae and Cannabaceae families are known for their fibre-rich stems that benefit humankind by serving numerous purposes. For many centuries they have been exploited extensively for various commercial and industrial uses. Their seeds, which are often regarded as a by-product of fibre processing, have been scientifically discovered to have an essential role in combating hypercholesterolemia, diabetes, cancer, and oxidative stress. Maximizing the use of these agricultural wastes can be a promising approach to creating a more sustainable world, in accordance with the concept of Sustainable Development Goals (SDGs).
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Hesami M, Pepe M, Baiton A, Salami SA, Jones AMP. New Insight into Ornamental Applications of Cannabis: Perspectives and Challenges. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11182383. [PMID: 36145783 PMCID: PMC9505140 DOI: 10.3390/plants11182383] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/09/2022] [Accepted: 09/10/2022] [Indexed: 05/05/2023]
Abstract
The characteristic growth habit, abundant green foliage, and aromatic inflorescences of cannabis provide the plant with an ideal profile as an ornamental plant. However, due to legal barriers, the horticulture industry has yet to consider the ornamental relevance of cannabis. To evaluate its suitability for introduction as a new ornamental species, multifaceted commercial criteria were analyzed. Results indicate that ornamental cannabis would be of high value as a potted-plant or in landscaping. However, the readiness timescale for ornamental cannabis completely depends on its legal status. Then, the potential of cannabis chemotype Ⅴ, which is nearly devoid of phytocannabinoids and psychoactive properties, as the foundation for breeding ornamental traits through mutagenesis, somaclonal variation, and genome editing approaches has been highlighted. Ultimately, legalization and breeding for ornamental utility offers boundless opportunities related to economics and executive business branding.
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Affiliation(s)
- Mohsen Hesami
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Marco Pepe
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Austin Baiton
- Department of Plant Agriculture, University of Guelph, Guelph, ON N1G 2W1, Canada
| | - Seyed Alireza Salami
- Department of Horticultural Sciences, Faculty of Agricultural Science and Engineering, University of Tehran, Karaj 31587-77871, Iran
- Industrial and Medical Cannabis Research Institute (IMCRI), Tehran 14176-14411, Iran
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A novel handheld FT-NIR spectroscopic approach for real-time screening of major cannabinoids content in hemp. Talanta 2022; 247:123559. [DOI: 10.1016/j.talanta.2022.123559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/02/2022] [Accepted: 05/14/2022] [Indexed: 01/30/2023]
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Harpaz D, Bernstein N, Namdar D, Eltzov E. Portable biosensors for rapid on-site determination of cannabinoids in cannabis, a review. Biotechnol Adv 2022; 61:108031. [PMID: 36058440 DOI: 10.1016/j.biotechadv.2022.108031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/12/2022] [Accepted: 08/26/2022] [Indexed: 11/02/2022]
Abstract
Recent studies highlight the therapeutic virtues of cannabidiol (CBD). Furthermore, due to their molecular enriched profiles, cannabis inflorescences are biologically superior to a single cannabinoid for the treatment of various health conditions. Thus, there is flourishing demand for Cannabis sativa varieties containing high levels of CBD. Additionally, legal regulations around the world restrict the cultivation and consumption of tetrahydrocannabinol (THC)-rich cannabis plants for their psychotropic effects. Therefore, the use of cannabis varieties that are high in CBD is permitted as long as their THC content does not exceed a low threshold of 0.3%-0.5%, depending on the jurisdiction. These chemovars are legally termed 'hemp'. This controlled cannabinoid requirement highlights the need to detect low levels of THC, already in the field. In this review, cannabis profiling and the existing methods used for the detection of cannabinoids are firstly evaluated. Then, selected valuable biosensor technologies are discussed, which suggest portable, rapid, sensitive, reproducible, and reliable methods for on-site identification of cannabinoids levels, mainly THC. Recent cutting-edge techniques of promising potential usage for both cannabis and hemp analysis are identified, as part of the future cultivation and agricultural improvement of this crop.
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Affiliation(s)
- Dorin Harpaz
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel; Institute of Biochemistry, Food Science and Nutrition, Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Nirit Bernstein
- Institute of Soil Water and Environmental Sciences, Volcani Institute, Agricultural Research Organization, POBox 6, Bet-Dagan 50250, Israel.
| | - Dvora Namdar
- Institute of Soil Water and Environmental Sciences, Volcani Institute, Agricultural Research Organization, POBox 6, Bet-Dagan 50250, Israel.
| | - Evgeni Eltzov
- Institute of Postharvest and Food Science, Department of Postharvest Science, Volcani Institute, Agricultural Research Organization, Rishon LeZion 7505101, Israel.
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Dumigan CR, Deyholos MK. Cannabis Seedlings Inherit Seed-Borne Bioactive and Anti-Fungal Endophytic Bacilli. PLANTS (BASEL, SWITZERLAND) 2022; 11:2127. [PMID: 36015430 PMCID: PMC9415172 DOI: 10.3390/plants11162127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
Throughout the hundreds of millions of years of co-evolution, plants and microorganisms have established intricate symbiotic and pathogenic relationships. Microbial communities associated with plants are in constant flux and can ultimately determine whether a plant will successfully reproduce or be destroyed by their environment. Inheritance of beneficial microorganisms is an adaptation plants can use to protect germinating seeds against biotic and abiotic stresses as seedlings develop. The interest in Cannabis as a modern crop requires research into effective biocontrol of common fungal pathogens, an area that has seen little research. This study examines the seed-borne endophytes present across 15 accessions of Cannabis grown to seed across Western Canada. Both hemp and marijuana seedlings inherited a closely related group of bioactive endophytic Bacilli. All Cannabis accessions possessed seed-inherited Paenibacillus mobilis with the capacity to solubilize mineral phosphate. Additionally, seeds were found to carry genera of fungal isolates known to be Cannabis pathogens and post-harvest molds: Alternaria, Penicillium, Cladosporium, Chaetomium, Aspergillus, Rhizopus, and Fusarium. Thirteen seed-borne endophytes showed antibiotic activity against Alternaria, Aspergillus, Penicillium, and Fusarium. This study suggests both fungal pathogens and bacterial endophytes that antagonize them are vectored across generations in Cannabis as they compete over this shared niche.
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Burton RA, Andres M, Cole M, Cowley JM, Augustin MA. Industrial hemp seed: from the field to value-added food ingredients. J Cannabis Res 2022; 4:45. [PMID: 35906681 PMCID: PMC9338676 DOI: 10.1186/s42238-022-00156-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 07/12/2022] [Indexed: 11/10/2022] Open
Abstract
Industrial hemp, with low levels of the intoxicating cannabinoid tetrahydrocannabinol (THC), is grown for fibre and seeds. The industrial hemp industry is poised for expansion. The legalisation of industrial hemp as an agricultural commodity and the inclusion of hemp seed in foods is helping to drive the expansion of the hemp food ingredients industry. This paper discusses the opportunity to build an industrial hemp industry, with a focus on the prospects of hemp seed and its components in food applications. The market opportunities for industrial hemp products are examined. Various aspects of the science that underpins the development of an industrial hemp industry through the food supply chain are presented. This includes a discussion on the agronomy, on-farm and post-harvest considerations and the various types of food ingredients that can be made from hemp seed. The characteristics of hemp seed meal, hemp seed protein and hemp seed oil are reviewed. Different processes for production of value-added ingredients from hemp seed, hemp seed oil and hemp seed protein, are examined. The applicability of hemp seed ingredients in food applications is reviewed. The design of hemp seed ingredients that are fit-for-purpose for target food applications, through the selection of varieties and processing methods for production of various hemp seed ingredients, needs to consider market-led opportunities. This will require an integrated through chain approach, combined with the development of on-farm and post-farm strategies, to ensure that the hemp seed ingredients and foods containing hemp seed are acceptable to the consumer.
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Affiliation(s)
- Rachel A Burton
- Department of Food Science, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Urrbrae, SA, 5064, Australia. .,Plant Genomics Centre, Waite Campus Receivals, Corner of Hartley Grove and Paratoo Road, Urrbrae, SA, 5064, Australia.
| | - Mike Andres
- CSIRO Business Development & Global, CSIRO Building 122, Research Way, Clayton, VIC, 3168, Australia
| | - Martin Cole
- Department of Food Science, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Urrbrae, SA, 5064, Australia.,Present Address: Wine Australia, Industry House Corner Hackney and Botanic Roads, Adelaide, SA, 5000, Australia
| | - James M Cowley
- Department of Food Science, School of Agriculture, Food and Wine, University of Adelaide, Waite Campus, Urrbrae, SA, 5064, Australia
| | - Mary Ann Augustin
- CSIRO Agriculture & Food, 671 Sneydes Road, Werribee, VIC, 3030, Australia
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Seemakram W, Paluka J, Suebrasri T, Lapjit C, Kanokmedhakul S, Kuyper TW, Ekprasert J, Boonlue S. Enhancement of growth and Cannabinoids content of hemp ( Cannabis sativa) using arbuscular mycorrhizal fungi. FRONTIERS IN PLANT SCIENCE 2022; 13:845794. [PMID: 35958223 PMCID: PMC9360772 DOI: 10.3389/fpls.2022.845794] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 07/08/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to investigate the efficiency of arbuscular mycorrhizal fungi (AMF) to promote growth and cannabinoid yield of Cannabis sativa KKU05. A completely randomized design (CRD) was conducted with six replications for 60 days. Two different species of AMF, Rhizophagus prolifer PC2-2 and R. aggregatus BM-3 g3 were selected as inocula and compared with two non-mycorrhizal controls, one without synthetic fertilizer and one with synthetic NPK fertilizer. The unfertilized non-mycorrhizal plants had the lowest performance, whereas plants inoculated with R. aggregatus BM-3 g3 performed best, both in terms of plant biomass and concentrations of CBD and THC. There were no significant differences in plant biomass and cannabinoid concentrations between non-mycorrhizal plants that received synthetic fertilizer and mycorrhizal plants with inoculum of R. prolifer PC2-2. Our data demonstrate the great potential for cannabis cultivation without risking deterioration of soil structure, such as soil hardening and increased acidity, which might be induced by long-term use of synthetic fertilizer.
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Affiliation(s)
- Wasan Seemakram
- Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Jakkapat Paluka
- Natural Products Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Thanapat Suebrasri
- Department of Medical Science, Faculty of Allied Health Sciences, Nakhon Ratchasima, Thailand
| | - Chanon Lapjit
- Department of Horticulture, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand
- Cannabis Research Institute, Khon Kaen University, Khon Kaen, Thailand
| | - Somdej Kanokmedhakul
- Natural Products Research Unit, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Thomas W. Kuyper
- Soil Biology Group, Wageningen University and Research, Wageningen, Netherlands
| | - Jindarat Ekprasert
- Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
| | - Sophon Boonlue
- Department of Microbiology, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand
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Deguchi M, Dhir S, Potlakayala S, Dhir S, Curtis WR, Rudrabhatla S. In planta Female Flower Agroinfiltration Alters the Cannabinoid Composition in Industrial Hemp ( Cannabis sativa L.). FRONTIERS IN PLANT SCIENCE 2022; 13:921970. [PMID: 35941940 PMCID: PMC9356322 DOI: 10.3389/fpls.2022.921970] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/17/2022] [Accepted: 06/22/2022] [Indexed: 06/15/2023]
Abstract
Industrial hemp is a diploid (2n = 20), dioecious plant, and an essential source of various phytochemical productions. More than 540 phytochemicals have been described, some of which proved helpful in the remedial treatment of human diseases. Therefore, further study of hemp phytochemicals in medicine is highly anticipated. Previously, we developed the vacuum agroinfiltration method, which allows the transient gene expression in hemp tissues including female flowers, where cannabinoids are produced and accumulated. In this study, we attempted to alter the composition of total CBD and THC. The RT-PCR and sanger sequence identified eleven copies of the CBDAS gene, two copies of the THCAS gene, and one CBCAS gene. Binary vectors were constructed to overexpress the CBDAS gene and silence the THCAS gene via RNA interference. The Transcript level of the CBDAS gene was increased by more than 10 times than the plants used as a control, which led to a 54% higher total CBD content. The silencing of the THCAS gene led to downregulation of the THCAS gene, with an 80% reduction in transcript levels, and total THC content was reduced to 43% compared with mock plant. These results suggest that hemp vacuum infiltration is highly effective for metabolic engineering of cannabinoids in hemp.
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Affiliation(s)
- Michihito Deguchi
- The Central Pennsylvania Research and Teaching Laboratory for Biofuels, Penn State Harrisburg, Middletown, PA, United States
| | - Seema Dhir
- Biology Department, Fort Valley State University, Fort Valley, GA, United States
| | - Shobha Potlakayala
- The Central Pennsylvania Research and Teaching Laboratory for Biofuels, Penn State Harrisburg, Middletown, PA, United States
| | - Sarwan Dhir
- Family Sciences and Technology, College of Agriculture, Fort Valley State University, Fort Valley, GA, United States
| | - Wayne R. Curtis
- Department of Chemical Engineering, The Pennsylvania State University, University Park, PA, United States
| | - Sairam Rudrabhatla
- The Central Pennsylvania Research and Teaching Laboratory for Biofuels, Penn State Harrisburg, Middletown, PA, United States
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Quality of Oil Pressed from Hemp Seed Varieties: 'Earlina 8FC', 'Secuieni Jubileu' and 'Finola'. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27103171. [PMID: 35630648 PMCID: PMC9144401 DOI: 10.3390/molecules27103171] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 11/17/2022]
Abstract
In the last decade, the demand for edible niche oils has increased. Therefore, the aim of this study was to characterize the seeds hemp (Cannabis sativa L.) varieties: ‘Finola’ (FIN-314)’, ‘Earlina 8FC’, and ‘Secuieni Jubileu’, and cold and hot pressed oils were prepared from each seed. The seeds were examined for moisture content, granulometric distribution, bulk density, and fat content. Seeds were pressed without and with preconditioning (60 °C), and oil yield and pressing time were recorded. The oil was filtered through cellulose membranes. Oil–water content, oil color, fatty acid profile, and sterol content were studied. From the study conducted, there are significant differences in the parameters of oil recovery and its quality compared to ‘Finola’ seed oil, which is widely reported in the literature. ‘Finola’ oil yield was the lowest, with an average of 79% compared to ‘Earlina’ (82%) and ‘S. Jubileu’ (84%). All oil samples contained a comparable amount of sterols, with campesterol (0.32 mg/g), β-sitosterol (1.3 mg/g) and Δ5-avenasterol (0.15 mg/g) predominating. From the organoleptic evaluation, it was evident that both varieties hemp oils and marc (‘Earlina’ and ‘S. Jubileu’) were not bitter like the “Finola” oil and marc. More detailed studies in this direction have to be undertaken.
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Understanding Cannabis sativa L.: Current Status of Propagation, Use, Legalization, and Haploid-Inducer-Mediated Genetic Engineering. PLANTS 2022; 11:plants11091236. [PMID: 35567237 PMCID: PMC9104644 DOI: 10.3390/plants11091236] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 04/12/2022] [Accepted: 04/28/2022] [Indexed: 12/01/2022]
Abstract
Cannabis sativa L. is an illegal plant in many countries. The worldwide criminalization of the plant has for many years limited its research. Consequently, understanding the full scope of its benefits and harm became limited too. However, in recent years the world has witnessed an increased pace in legalization and decriminalization of C. sativa. This has prompted an increase in scientific studies on various aspects of the plant’s growth, development, and use. This review brings together the historical and current information about the plant’s relationship with mankind. We highlight the important aspects of C. sativa classification and identification, carefully analyzing the supporting arguments for both monotypic (single species) and polytypic (multiple species) perspectives. The review also identifies recent studies on suitable conditions and methods for C. sativa propagation as well as highlighting the diverse uses of the plant. Specifically, we describe the beneficial and harmful effects of the prominent phytocannabinoids and provide status of the studies on heterologous synthesis of phytocannabinoids in different biological systems. With a historical view on C. sativa legality, the review also provides an up-to-date worldwide standpoint on its regulation. Finally, we present a summary of the studies on genome editing and suggest areas for future research.
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Suwanchaikasem P, Idnurm A, Selby-Pham J, Walker R, Boughton BA. Root-TRAPR: a modular plant growth device to visualize root development and monitor growth parameters, as applied to an elicitor response of Cannabis sativa. PLANT METHODS 2022; 18:46. [PMID: 35397608 PMCID: PMC8994333 DOI: 10.1186/s13007-022-00875-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 03/14/2022] [Indexed: 05/08/2023]
Abstract
BACKGROUND Plant growth devices, for example, rhizoponics, rhizoboxes, and ecosystem fabrication (EcoFAB), have been developed to facilitate studies of plant root morphology and plant-microbe interactions in controlled laboratory settings. However, several of these designs are suitable only for studying small model plants such as Arabidopsis thaliana and Brachypodium distachyon and therefore require modification to be extended to larger plant species like crop plants. In addition, specific tools and technical skills needed for fabricating these devices may not be available to researchers. Hence, this study aimed to establish an alternative protocol to generate a larger, modular and reusable plant growth device based on different available resources. RESULTS Root-TRAPR (Root-Transparent, Reusable, Affordable three-dimensional Printed Rhizo-hydroponic) system was successfully developed. It consists of two main parts, an internal root growth chamber and an external structural frame. The internal root growth chamber comprises a polydimethylsiloxane (PDMS) gasket, microscope slide and acrylic sheet, while the external frame is printed from a three-dimensional (3D) printer and secured with nylon screws. To test the efficiency and applicability of the system, industrial hemp (Cannabis sativa) was grown with or without exposure to chitosan, a well-known plant elicitor used for stimulating plant defense. Plant root morphology was detected in the system, and plant tissues were easily collected and processed to examine plant biological responses. Upon chitosan treatment, chitinase and peroxidase activities increased in root tissues (1.7- and 2.3-fold, respectively) and exudates (7.2- and 21.6-fold, respectively). In addition, root to shoot ratio of phytohormone contents were increased in response to chitosan. Within 2 weeks of observation, hemp plants exhibited dwarf growth in the Root-TRAPR system, easing plant handling and allowing increased replication under limited growing space. CONCLUSION The Root-TRAPR system facilitates the exploration of root morphology and root exudate of C. sativa under controlled conditions and at a smaller scale. The device is easy to fabricate and applicable for investigating plant responses toward elicitor challenge. In addition, this fabrication protocol is adaptable to study other plants and can be applied to investigate plant physiology in different biological contexts, such as plant responses against biotic and abiotic stresses.
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Affiliation(s)
| | - Alexander Idnurm
- School of BioSciences, University of Melbourne, Melbourne, VIC, 3010, Australia
| | - Jamie Selby-Pham
- School of BioSciences, University of Melbourne, Melbourne, VIC, 3010, Australia
- Nutrifield Pty Ltd, Melbourne, VIC, 3020, Australia
| | - Robert Walker
- School of BioSciences, University of Melbourne, Melbourne, VIC, 3010, Australia.
| | - Berin A Boughton
- School of BioSciences, University of Melbourne, Melbourne, VIC, 3010, Australia
- Australian National Phenome Centre, Murdoch University, Perth, WA, 6150, Australia
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Amarasinghe P, Pierre C, Moussavi M, Geremew A, Woldesenbet S, Weerasooriya A. The morphological and anatomical variability of the stems of an industrial hemp collection and the properties of its fibres. Heliyon 2022; 8:e09276. [PMID: 35497024 PMCID: PMC9043397 DOI: 10.1016/j.heliyon.2022.e09276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 03/13/2022] [Accepted: 04/09/2022] [Indexed: 11/26/2022] Open
Abstract
Industrial hemp (Cannabis sativa L.) is identified as a leading fibre crop and there is increasing interest in C. sativa fibre due to its new range of industrial applications. However, the complexity of hemp germplasm resulted in insufficient information on the effect of genotypes on fibre quality and quantity. In this study, 16 fibre and non-fibre type hemp genotypes were evaluated to compare the morpho-anatomical differences of stems and physico-mechanical fibre properties under three retting methods and to understand the effect of stem colour on the properties of hemp fibres. Morphological markers were scored and stem anatomy was examined using live and herbarium collections. Stems were retted using chemical, enzymatic, and microbiological methods. The resulting fibres were tested for tensile strength, moisture retention, colour, bast and hurd dry weights. Hemp genotypes showed morphological variations that affect fibre processing and a unique pattern of fibre wedges in cross-sections of the basal internode. Fibre yield, tensile strength, colour, and moisture retention significantly varied among the genotypes. The hemp collection used in this study formed three clusters in principal component analysis and traits such as internodal length, node number, hurd yield, and tensile strength highly contributed to the total variability. Additionally, non-fibre type hemp genotypes that showed important fibre properties were identified. The hemp genotypes that were selected based on our approaches can be tailored towards the specificities of the end-usage of choice. Our methods will enable the exploration of hemp genetic diversity pertaining to fibre properties and contribute to the preliminary identification of genotypes as a supplement to genetic analyses.
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Affiliation(s)
- Prabha Amarasinghe
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446.,MOgene LC, 2252 Welsch Industrial Ct, St. Louis, Missouri 63146
| | - Camille Pierre
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446
| | - Mahta Moussavi
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446
| | - Addisie Geremew
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446
| | - Selamawit Woldesenbet
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446
| | - Aruna Weerasooriya
- Cooperative Agricultural Research Center, College of Agriculture and Human Sciences, Prairie View A&M University, Prairie View, Texas 77446
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49
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A Systems Thinking Approach Investigating the Estimated Environmental and Economic Benefits and Limitations of Industrial Hemp Cultivation in Ireland from 2017–2021. SUSTAINABILITY 2022. [DOI: 10.3390/su14074159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
There may be unrecognised environmental and economic benefits in cultivating industrial hemp for CO2 sequestration in Ireland. By using a Systems Thinking approach, this study aims to answer how industrial hemp, which can sequester between 10 to 22 million Mt CO2 per hectare, has been helpful towards carbon sequestration efforts. A mixed-methods design combining qualitative and quantitative secondary material is used to inform Behaviour over Time Graphs (BoTGs) to illustrate the data from 2017 to 2021. In 2019 the total CO2 emissions from agriculture was 21,151.24 million Mt, and the total land cultivated with hemp was 547 hectares which represented 0.0079% of total land use and 0.0123% of agricultural land use. Based on a sequestration rate of between 10 and 22 million Mt of CO2, industrial hemp had the potential to sequester between 5470 Mt and 24,068 million Mt of CO2, this represents nearly quarter to potentially all the CO2 from agriculture and equates to a carbon tax equivalent of between €109,400 and €481,360 for that year. The total amount of CO2 sequestrated between 2017 and 2021 was between 14,660 million Mt and 64,504 million Mt of CO2. This represents an estimated contribution in carbon tax equivalent of between €348,805 and €1,534,742, respectively.
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50
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Short term feeding of industrial hemp with a high cannabidiolic acid (CBDA) content increases lying behavior and reduces biomarkers of stress and inflammation in Holstein steers. Sci Rep 2022; 12:3683. [PMID: 35256692 PMCID: PMC8901777 DOI: 10.1038/s41598-022-07795-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 02/24/2022] [Indexed: 01/17/2023] Open
Abstract
Industrial hemp (IH) is defined as Cannabis sativa containing < 0.3% delta-9 tetrahydrocannabinol (THC) and was legalized in the 2018 Farm Bill. The impact of cannabinoids in IH fed to livestock, especially after repeat exposure, has not been thoroughly investigated. Sixteen male castrated Holstein cattle weighting (± SD) 447 ± 68 kg were enrolled onto the study. Cattle were allocated into two treatment groups either receiving IH (HEMP, n = 8) or a control (CNTL, n = 8). Cattle in the HEMP group were fed 25 g IH mixed in 200 g of grain once a day for 14 days to target a daily dose of 5.5 mg/kg of cannabidiolic acid (CBDA). Behavior was continuously monitored with accelerometers and blood samples were collected at predetermined time points for plasma cannabinoid, serum cortisol, serum haptoglobin, liver enzymes, serum amyloid A, and prostaglandin E2 concentrations. The HEMP group spent a mean 14.1 h/d (95% CI 13.6–14.6 h/d) lying compared to the 13.4 h/d (95% CI 12.9–13.8 h/d) for the CNTL cattle (P = 0.03). Cortisol concentrations in the HEMP group were lower than the CNTL group (P = 0.001). Cattle in the HEMP group demonstrated an 8.8% reduction in prostaglandin E2 concentrations from baseline compared to a 10.2% increase from baseline observed in the CNTL group. No differences for haptoglobin or serum amyloid A were observed. These results suggest that feeding IH with a high CBDA content for 14 days increases lying behavior and decreases biomarkers of stress and inflammation in cattle.
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