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Ren Y, Jiang M, Zhu JK, Zhou W, Zhao C. Simultaneous mutations in ITPK4 and MRP5 genes result in a low phytic acid level without compromising salt tolerance in Arabidopsis. JOURNAL OF INTEGRATIVE PLANT BIOLOGY 2024. [PMID: 39031490 DOI: 10.1111/jipb.13745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2024] [Accepted: 07/02/2024] [Indexed: 07/22/2024]
Abstract
Generation of crops with low phytic acid (myo-inositol-1,2,3,4,5,6-hexakisphosphate (InsP6)) is an important breeding direction, but such plants often display less desirable agronomic traits. In this study, through ethyl methanesulfonate-mediated mutagenesis, we found that inositol 1,3,4-trisphosphate 5/6-kinase 4 (ITPK4), which is essential for producing InsP6, is a critical regulator of salt tolerance in Arabidopsis. Loss of function of ITPK4 gene leads to reduced root elongation under salt stress, which is primarily because of decreased root meristem length and reduced meristematic cell number. The itpk4 mutation also results in increased root hair density and increased accumulation of reactive oxygen species during salt exposure. RNA sequencing assay reveals that several auxin-responsive genes are down-regulated in the itpk4-1 mutant compared to the wild-type. Consistently, the itpk4-1 mutant exhibits a reduced auxin level in the root tip and displays compromised gravity response, indicating that ITPK4 is involved in the regulation of the auxin signaling pathway. Through suppressor screening, it was found that mutation of Multidrug Resistance Protein 5 (MRP5)5 gene, which encodes an ATP-binding cassette (ABC) transporter required for transporting InsP6 from the cytoplasm into the vacuole, fully rescues the salt hypersensitivity of the itpk4-1 mutant, but in the itpk4-1 mrp5 double mutant, InsP6 remains at a very low level. These results imply that InsP6 homeostasis rather than its overall amount is beneficial for stress tolerance in plants. Collectively, this study uncovers a pair of gene mutations that confer low InsP6 content without impacting stress tolerance, which offers a new strategy for creating "low-phytate" crops.
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Affiliation(s)
- Yuying Ren
- Key Laboratory of Plant Design, National Key Laboratory of Plant Molecular Genetics, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, the Chinese Academy of Sciences, Shanghai, 200032, China
- University of Chinese Academy of Sciences, Beijing, 100190, China
| | - Mengdan Jiang
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Jian-Kang Zhu
- Institute of Advanced Biotechnology and School of Life Sciences, Southern University of Science and Technology, Shenzhen, 518055, China
- Ministry of Agriculture and Rural Affairs Key Laboratory of Gene Editing Technologies, Nanfan Research Institute, Chinese Academy of Agricultural Sciences, Sanya, 572024, China
| | - Wenkun Zhou
- State Key Laboratory of Plant Environmental Resilience, College of Biological Sciences, China Agricultural University, Beijing, 100193, China
| | - Chunzhao Zhao
- Key Laboratory of Plant Design, National Key Laboratory of Plant Molecular Genetics, Shanghai Center for Plant Stress Biology, CAS Center for Excellence in Molecular Plant Sciences, the Chinese Academy of Sciences, Shanghai, 200032, China
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Gianinetti A, Ghizzoni R, Desiderio F, Morcia C, Terzi V, Baronchelli M. QTL Analysis of β-Glucan Content and Other Grain Traits in a Recombinant Population of Spring Barley. Int J Mol Sci 2024; 25:6296. [PMID: 38928003 PMCID: PMC11204098 DOI: 10.3390/ijms25126296] [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: 05/09/2024] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
Barley with high grain β-glucan content is valuable for functional foods. The identification of loci for high β-glucan content is, thus, of great importance for barley breeding. Segregation mapping for the content in β-glucan and other barley grain components (starch, protein, lipid, ash, phosphorous, calcium, sodium) was performed using the progeny of the cross between Glacier AC38, a mutant with high amylose, and CDC Fibar, a high β-glucan waxy cultivar. The offspring of this cross showed transgressive segregation for β-glucan content. Linkage analysis based on single-nucleotide polymorphism (SNP) molecular markers was used for the genotyping of the parents and recombinant inbred lines (RILs). Two Quantitative Trait Loci (QTL) for β-glucan content and several QTL for other grain components were found. The former ones, located on chromosomes 1H and 7H, explained 27.9% and 27.4% of the phenotypic variance, respectively. Glacier AC38 provided the allele for high β-glucan content at the QTL on chromosome 1H, whereas CDC Fibar contributed the allele at the QTL on chromosome 7H. Their recombination resulted in a novel haplotype with higher β-glucan content, up to 18.4%. Candidate genes are proposed for these two QTL: HvCslF9, involved in β-glucan biosynthesis, for the QTL on chromosome 1H; Horvu_PLANET_7H01G069300, a gene encoding an ATP-Binding Cassette (ABC) transporter, for the QTL on chromosome 7H.
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3
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Mudgal S, Singh N. Effect of parboiling treatment times on the physicochemical, cooking, textural, and pasting properties and amino acid, phenolic, and sugar profiles of germinated paddy rice from different rice varieties. J Food Sci 2024; 89:3208-3229. [PMID: 38638063 DOI: 10.1111/1750-3841.17048] [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: 12/06/2023] [Revised: 02/11/2024] [Accepted: 03/10/2024] [Indexed: 04/20/2024]
Abstract
In this research, parboiling was carried out at different times (5 and 15 min) on germinated paddy rice (GPR) from various basmati and non-basmati varieties. The results showed that as the parboiling time increased from 5 to 15 min, Δ $\Delta $ E, ash content, total dietary fiber, mineral content, cooking time, and textural properties increased while L*, lipid content, total starch, gruel solid loss, water absorption, oil absorption, foaming capacity, sugar profile, and total phenolic and flavonoid content decreased as compared to GPR. All pasting properties of GPR increased except breakdown as the parboiling time increased from 5 to 15 min. Parboiling altered the properties of GPR due to starch gelatinization. Total essential amino acid and gamma-aminobutyric acid decreased as the parboiling time (5 to 15 min) increased. The germinated parboiled brown rice could create a highly nutritious alternative to regular brown rice as it offers improved texture and cooking qualities.
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Affiliation(s)
- Swasti Mudgal
- Department of Food Science and Technology, Guru Nanak Dev University, Amritsar, India
| | - Narpinder Singh
- Department of Food Science and Technology, Graphic Era Deemed to be University, Dehradun, Uttarakhand, India
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4
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Dan H, Li H, Li C, Fang Z, Hu B, Chen H, Wang C, Chen S, Hui T, Wu W, Zeng Z, Liu Y. Application of sourdough in gluten-free bakery products. Crit Rev Food Sci Nutr 2024:1-21. [PMID: 38783748 DOI: 10.1080/10408398.2024.2356256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
ABSTRACTSIn recent years, the demand for gluten-free (GF) bakery products has grown rapidly due to the remarkable rising number of celiac patients and the increasing health awareness of GF products. However, GF products generally suffer from defects such as poor sensorial level, low nutritional value, high prices and short shelf life. Sourdough is the important starter culture applied in bakery field, and it has been proven to be ideal for enhancing the overall quality of bakery products. This review aims to systematically reviewed the application of sourdough in GF bakery products and its improvement to GF bakery products in terms of texture, shelf life, nutrition and flavor. Its positive effects derive from the complex metabolic activities of sourdough microorganisms, such as acidification, proteolysis, production of exopolysaccharides (EPS), activation of endogenous enzymes, and production of antibacterial substances. Finally, researchers are encouraged to expand the use of sourdough in GF bakery products to increase the variety of GF products. And the technical and nutritional potential of sourdough should be developed more widely.
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Affiliation(s)
- Hangyan Dan
- College of Food Science, Sichuan Agricultural University, Yaan, China
- Sichuan Yaomazi Food Co., Ltd, Meishan, Sichuan, China
| | - Hongyu Li
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Cheng Li
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Zhengfeng Fang
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Bin Hu
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Hong Chen
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Caixia Wang
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Saiyan Chen
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Teng Hui
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Wenjuan Wu
- College of Science, Sichuan Agricultural University, Yaan, China
| | - Zhen Zeng
- College of Food Science, Sichuan Agricultural University, Yaan, China
| | - Yuntao Liu
- College of Food Science, Sichuan Agricultural University, Yaan, China
- Ministry of Agriculture and Rural Affairs, Key Laboratory of Agricultural Product Processing and Nutrition Health (Co-construction by Ministry and Province), Yaan, China
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5
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Bolan S, Sharma S, Mukherjee S, Zhou P, Mandal J, Srivastava P, Hou D, Edussuriya R, Vithanage M, Truong VK, Chapman J, Xu Q, Zhang T, Bandara P, Wijesekara H, Rinklebe J, Wang H, Siddique KHM, Kirkham MB, Bolan N. The distribution, fate, and environmental impacts of food additive nanomaterials in soil and aquatic ecosystems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 916:170013. [PMID: 38242452 DOI: 10.1016/j.scitotenv.2024.170013] [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: 11/15/2023] [Revised: 01/03/2024] [Accepted: 01/06/2024] [Indexed: 01/21/2024]
Abstract
Nanomaterials in the food industry are used as food additives, and the main function of these food additives is to improve food qualities including texture, flavor, color, consistency, preservation, and nutrient bioavailability. This review aims to provide an overview of the distribution, fate, and environmental and health impacts of food additive nanomaterials in soil and aquatic ecosystems. Some of the major nanomaterials in food additives include titanium dioxide, silver, gold, silicon dioxide, iron oxide, and zinc oxide. Ingestion of food products containing food additive nanomaterials via dietary intake is considered to be one of the major pathways of human exposure to nanomaterials. Food additive nanomaterials reach the terrestrial and aquatic environments directly through the disposal of food wastes in landfills and the application of food waste-derived soil amendments. A significant amount of ingested food additive nanomaterials (> 90 %) is excreted, and these nanomaterials are not efficiently removed in the wastewater system, thereby reaching the environment indirectly through the disposal of recycled water and sewage sludge in agricultural land. Food additive nanomaterials undergo various transformation and reaction processes, such as adsorption, aggregation-sedimentation, desorption, degradation, dissolution, and bio-mediated reactions in the environment. These processes significantly impact the transport and bioavailability of nanomaterials as well as their behaviour and fate in the environment. These nanomaterials are toxic to soil and aquatic organisms, and reach the food chain through plant uptake and animal transfer. The environmental and health risks of food additive nanomaterials can be overcome by eliminating their emission through recycled water and sewage sludge.
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Affiliation(s)
- Shiv Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, Western Australia 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, Western Australia 6009, Australia; Healthy Environments And Lives (HEAL) National Research Network, Canberra, Australia
| | - Shailja Sharma
- School of Biological & Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India; School of Agriculture, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India
| | - Santanu Mukherjee
- School of Biological & Environmental Sciences, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India; School of Agriculture, Shoolini University of Biotechnology and Management Sciences, Solan 173229, India
| | - Pingfan Zhou
- School of Environment, Tsinghua University, Beijing 100084, People's Republic of China
| | - Jajati Mandal
- School of Science, Engineering & Environment, University of Salford, Manchester M5 4WT, UK
| | - Prashant Srivastava
- The Commonwealth Scientific and Industrial Research Organisation (CSIRO) Environment, Urrbrae, South Australia, Australia
| | - Deyi Hou
- School of Environment, Tsinghua University, Beijing 100084, People's Republic of China
| | - Randima Edussuriya
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Meththika Vithanage
- Ecosphere Resilience Research Center, Faculty of Applied Sciences, University of Sri Jayewardenepura, Nugegoda 10250, Sri Lanka
| | - Vi Khanh Truong
- Biomedical Nanoengineering Laboratory, College of Medicine and Public Health, Flinders University, Bedford Park, South Australia 5042, Australia
| | - James Chapman
- University of Queensland, St Lucia, Queensland 4072, Australia
| | - Qing Xu
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, People's Republic of China
| | - Tao Zhang
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, Key Laboratory of Plant-Soil Interactions of Ministry of Education, College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, People's Republic of China
| | - Pramod Bandara
- Department of Food Science and Technology, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya 70140, Sri Lanka
| | - Hasintha Wijesekara
- Department of Natural Resources, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka, Belihuloya 70140, Sri Lanka
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany
| | - Hailong Wang
- Biochar Engineering Technology Research Center of Guangdong Province, School of Environmental and Chemical Engineering, Foshan University, Foshan, Guangdong 528000, People's Republic of China
| | - Kadambot H M Siddique
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, Western Australia 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, Western Australia 6009, Australia
| | - M B Kirkham
- Department of Agronomy, Throckmorton Plant Sciences Center, Kansas State University, Manhattan, KS, United States of America
| | - Nanthi Bolan
- UWA School of Agriculture and Environment, The University of Western Australia, Perth, Western Australia 6009, Australia; The UWA Institute of Agriculture, The University of Western Australia, Perth, Western Australia 6009, Australia; Healthy Environments And Lives (HEAL) National Research Network, Canberra, Australia.
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6
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Guayjarernpanishk W, Sampanpanish P. Efficiency of sodium phytate in the remediation of As, Mn, and Cu contamination in acid mine drainage using water hyacinth. Heliyon 2024; 10:e26590. [PMID: 38420429 PMCID: PMC10901003 DOI: 10.1016/j.heliyon.2024.e26590] [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: 07/27/2023] [Revised: 02/07/2024] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
The accumulation and uptake efficiency of heavy metals, including As, Mn, and Cu, in water hyacinth (Eichhornia crassipes (Mart.) Solms) grown in synthetic acidic wastewater supplemented with sodium phytate (SP) was examined. Three treatments were studied using synthetic acidic wastewater containing 0.25, 5.0, and 1.0 mg/L of As, Mn, and Cu, respectively, (SM + heavy metals) and having pH in the range of 4-6, which comprised of (1) control treatments using SM + heavy metals at pH 4, 5, 6 without SP, and treatments using SM + heavy metals at pH 4, 5, 6 with SP: Cu (2) in a 1:3 M ratio and (3) a 1:6 M ratio. The translocation factor (TF < 1) indicated that plants had a lower capacity to transport heavy metals from the roots to the stems. The shoots of water hyacinth exhibited the highest capacity to absorb and store As in the pH 4-treatment with SP (SP:Cu1:3 mol), whereas the roots showed the greatest capacity at pH 4 without SP. The roots and shoots of the water hyacinth showed the greatest capacity to take up and store Mn in the pH 5-treatment with a 1:3 M ratio of SP:Cu. The roots showed the greatest capacity to take up and store Cu in the pH 6-treatment, and the shoots showed the highest capability in the pH 5-treatment with 1:3 M ratio of SP:Cu. Moreover, analysis of the chemical forms revealed that As accumulated in the arsenate form, whereas Mn accumulated in the divalent form.
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Affiliation(s)
- Wannipa Guayjarernpanishk
- Interdisciplinary Program in Environmental Science, Graduate School, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Pantawat Sampanpanish
- Environmental Research Institute, Chulalongkorn University (ERIC), 254 Phayathai Road, Pathumwan, Bangkok, 10330, Thailand
- Research Program of Toxic Substance Management in the Mining Industry, Centre of Excellence on Hazardous Substance Management, Bangkok, 10330, Thailand
- Research Unit of Green Mining Management (GMM), Chulalongkorn University, Bangkok, 10330, Thailand
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7
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Kamble A, Singh R, Singh H. Structural and Functional Characterization of Obesumbacterium proteus Phytase: A Comprehensive In-Silico Study. Mol Biotechnol 2024:10.1007/s12033-024-01069-x. [PMID: 38393631 DOI: 10.1007/s12033-024-01069-x] [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: 10/04/2023] [Accepted: 01/09/2024] [Indexed: 02/25/2024]
Abstract
Phytate, also known as myoinositol hexakisphosphate, exhibits anti-nutritional properties and possesses a negative environmental impact. Phytase enzymes break down phytate, showing potential in various industries, necessitating thorough biochemical and computational characterizations. The present study focuses on Obesumbacterium proteus phytase (OPP), indicating its similarities with known phytases and its potential through computational analyses. Structure, functional, and docking results shed light on OPP's features, structural stability, strong and stable interaction, and dynamic conformation, with flexible sidechains that could adapt to different temperatures or specific functions. Root Mean Square fluctuation (RMSF) highlighted fluctuating regions in OPP, indicating potential sites for stability enhancement through mutagenesis. The systematic approach developed here could aid in enhancing enzyme properties via a rational engineering approach. Computational analysis expedites enzyme discovery and engineering, complementing the traditional biochemical methods to accelerate the quest for superior enzymes for industrial applications.
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Affiliation(s)
- Asmita Kamble
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS Deemed to be University, Vile Parle (W), Mumbai, Maharashtra, India
| | - Rajkumar Singh
- School of Life Sciences, Ecole Polytechnique Fédérale de Lausanne, Station 19, Lausanne, Switzerland
- Division of Physiological Chemistry II, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, 17177, Stockholm, Sweden
| | - Harinder Singh
- Department of Biological Sciences, Sunandan Divatia School of Science, NMIMS Deemed to be University, Vile Parle (W), Mumbai, Maharashtra, India.
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Townsend JR, Kirby TO, Sapp PA, Gonzalez AM, Marshall TM, Esposito R. Nutrient synergy: definition, evidence, and future directions. Front Nutr 2023; 10:1279925. [PMID: 37899823 PMCID: PMC10600480 DOI: 10.3389/fnut.2023.1279925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/28/2023] [Indexed: 10/31/2023] Open
Abstract
Nutrient synergy refers to the concept that the combined effects of two or more nutrients working together have a greater physiological impact on the body than when each nutrient is consumed individually. While nutrition science traditionally focuses on isolating single nutrients to study their effects, it is recognized that nutrients interact in complex ways, and their combined consumption can lead to additive effects. Additionally, the Dietary Reference Intakes (DRIs) provide guidelines to prevent nutrient deficiencies and excessive intake but are not designed to assess the potential synergistic effects of consuming nutrients together. Even the term synergy is often applied in different manners depending on the scientific discipline. Considering these issues, the aim of this narrative review is to investigate the potential health benefits of consuming different nutrients and nutrient supplements in combination, a concept we define as nutrient synergy, which has gained considerable attention for its impact on overall well-being. We will examine how nutrient synergy affects major bodily systems, influencing systemic health. Additionally, we will address the challenges associated with promoting and conducting research on this topic, while proposing potential solutions to enhance the quality and quantity of scientific literature on nutrient synergy.
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Affiliation(s)
- Jeremy R. Townsend
- Research, Nutrition, and Innovation, Athletic Greens International, Carson City, NV, United States
- Health & Human Performance, Concordia University Chicago, River Forest, IL, United States
| | - Trevor O. Kirby
- Research, Nutrition, and Innovation, Athletic Greens International, Carson City, NV, United States
| | - Philip A. Sapp
- Research, Nutrition, and Innovation, Athletic Greens International, Carson City, NV, United States
| | - Adam M. Gonzalez
- Department of Allied Health and Kinesiology, Hofstra University, Hempstead, NY, United States
| | - Tess M. Marshall
- Research, Nutrition, and Innovation, Athletic Greens International, Carson City, NV, United States
| | - Ralph Esposito
- Research, Nutrition, and Innovation, Athletic Greens International, Carson City, NV, United States
- Department of Nutrition, Food Studies, and Public Health, New York University-Steinhardt, New York, NY, United States
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9
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Thakur N, Chaturvedi S, Tiwari S. Wheat derived glucuronokinase as a potential target for regulating ascorbic acid and phytic acid content with increased root length under drought and ABA stresses in Arabidopsis thaliana. PLANT SCIENCE : AN INTERNATIONAL JOURNAL OF EXPERIMENTAL PLANT BIOLOGY 2023; 331:111671. [PMID: 36931562 DOI: 10.1016/j.plantsci.2023.111671] [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: 12/01/2022] [Revised: 02/20/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Glucuronokinase (GlcAK) converts glucuronic acid into glucuronic acid-1-phosphate, which is then converted into UDP-glucuronic acid (UDP-GlcA) via myo-inositol oxygenase (MIOX) pathway. UDP-GlcA acts as a precursor in the synthesis of nucleotide-sugar moieties forming cell wall biomass. GlcAK being present at the bifurcation point between UDP-GlcA and ascorbic acid (AsA) biosyntheses, makes it necessary to study its role in plants. In this study, the three homoeologs of GlcAK gene from hexaploid wheat were overexpressed in Arabidopsis thaliana. The GlcAK overexpressing transgenic lines showed decreased contents of AsA and phytic acid (PA) as compared to control plants. Root length and seed germination analyses under abiotic stress (drought and abscisic acid) conditions revealed enhanced root length in transgenic lines as compared to control plants. These results indicate that the MIOX pathway might be contributing towards AsA biosynthesis as evident by the decreased AsA content in the GlcAK overexpressing transgenic Arabidopsis thaliana plants. Findings of the present study will enhance the understanding of the involvement of GlcAK gene in MIOX pathway and subsequent physiological effects in plants.
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Affiliation(s)
- Neha Thakur
- Plant Tissue Culture and Genetic Engineering Lab, National Agri-Food Biotechnology Institute (NABI), Department of Biotechnology, Ministry of Science and Technology (Government of India), Sector-81, Mohali 140306, Punjab, India; Department of Biotechnology, Panjab University, Chandigarh 160014, India
| | - Siddhant Chaturvedi
- Plant Tissue Culture and Genetic Engineering Lab, National Agri-Food Biotechnology Institute (NABI), Department of Biotechnology, Ministry of Science and Technology (Government of India), Sector-81, Mohali 140306, Punjab, India; Department of Biotechnology, Panjab University, Chandigarh 160014, India
| | - Siddharth Tiwari
- Plant Tissue Culture and Genetic Engineering Lab, National Agri-Food Biotechnology Institute (NABI), Department of Biotechnology, Ministry of Science and Technology (Government of India), Sector-81, Mohali 140306, Punjab, India.
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10
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Oo AZ, Asai H, Win KT, Marui J, Saito H. Seed phytic acid concentration affects rice seedling vigor irrespective of soil phosphorus bioavailability. PHYSIOLOGIA PLANTARUM 2023; 175:e13913. [PMID: 37043305 DOI: 10.1111/ppl.13913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/15/2023] [Accepted: 04/07/2023] [Indexed: 06/27/2023]
Abstract
Rice with a black-colored pericarp (hereafter, black rice) is well-known as an antioxidant-rich food, but a high grain phytic acid (PA) concentration affects its nutritional quality. However, phytic acid helps improve seedling vigor, which is crucial for enhancing subsequent plant growth. This study investigated the effect of seed phytic acid concentration in black rice on seedling vigor compared to the effects on white rice. In the first experiment, three phytic acid concentrations in the seeds of black rice, low (LPA, 15.5 mg g-1 per seed), medium (MPA, 24.7 mg g-1 per seed), and high (HPA, 35.4 mg g-1 per seed) were tested for seedling vigor in phosphorus-deficient soils. The HPA seedlings showed substantially increased seedling vigor and shoot P uptake due to early root development and enhanced physiological processes. LPA grown seedlings showed increased ethylene production in response to P stress, which is the main physiological mechanism modulating seedling growth under P stress conditions. In the second experiment, the three phytic acid concentrations in black and white rice seeds were tested under low and high soil P conditions. Again, LPA seedlings showed significantly reduced seedling vigor in both rice varieties in P-deficient soils. Interestingly, seed phytic acid and external P application had an additive effect on seedling vigor, suggesting that the combined effect further improved seedling growth. Our results reveal that black rice seeds with a HPA concentration can be used as a seed source for planting in P-deficient ecosystems for rice plants as they can increase seedling vigor and subsequent growth, thus reducing dependence on finite P resources.
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Affiliation(s)
- Aung Zaw Oo
- Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, Japan
| | - Hidetoshi Asai
- Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, Japan
| | - Khin Thuzar Win
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Junichiro Marui
- Japan International Research Center for Agricultural Sciences, Tsukuba, Ibaraki, Japan
| | - Hiroki Saito
- Tropical Agricultural Research Fronts, Japan International Research Center for Agricultural Sciences, Ishigaki, Okinawa, Japan
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11
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Bhatt V, Muthusamy V, Panda KK, Katral A, Chhabra R, Mishra SJ, Gopinath I, Zunjare RU, Neeraja CN, Rakshit S, Yadava DK, Hossain F. Expression Dynamics of lpa1 Gene and Accumulation Pattern of Phytate in Maize Genotypes Possessing opaque2 and crtRB1 Genes at Different Stages of Kernel Development. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091745. [PMID: 37176803 PMCID: PMC10180721 DOI: 10.3390/plants12091745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/21/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023]
Abstract
Phytic acid (PA) acts as a storehouse for the majority of the mineral phosphorous (P) in maize; ~80% of the total P stored as phytate P is not available to monogastric animals and thereby causes eutrophication. In addition, phytic acid chelates positively charged minerals making them unavailable in the diet. The mutant lpa1-1 allele reduces PA more than the wild-type LPA1 allele. Further, mutant gene opaque2 (o2) enhances lysine and tryptophan and crtRB1 enhances provitamin-A (proA) more than wild-type O2 and CRTRB1 alleles, respectively. So far, the expression pattern of the mutant lpa1-1 allele has not been analysed in maize genotypes rich in lysine, tryptophan and proA. Here, we analysed the expression pattern of wild and mutant alleles of LPA1, O2 and CRTRB1 genes in inbreds with (i) mutant lpa1-1, o2 and crtRB1 alleles, (ii) wild-type LPA1 allele and mutant o2 and crtRB1 alleles and (iii) wild-type LPA1, O2 and CRTRB1 alleles at 15, 30 and 45 days after pollination (DAP). The average reduction of PA/total phosphorous (TP) in lpa1-1 mutant inbreds was 29.30% over wild-type LPA1 allele. The o2 and crtRB1-based inbreds possessed ~two-fold higher amounts of lysine and tryptophan, and four-fold higher amounts of proA compared to wild-type alleles. The transcript levels of lpa1-1, o2 and crtRB1 genes in lpa1-1-based inbreds were significantly lower than their wild-type versions across kernel development. The lpa1-1, o2 and crtRB1 genes reached their highest peak at 15 DAP. The correlation of transcript levels of lpa1-1 was positive for PA/TP (r = 0.980), whereas it was negative with inorganic phosphorous (iP) (r = -0.950). The o2 and crtRB1 transcripts showed negative correlations with lysine (r = -0.887) and tryptophan (r = -0.893), and proA (r = -0.940), respectively. This is the first comprehensive study on lpa1-1 expression in the maize inbreds during different kernel development stages. The information generated here offers great potential for comprehending the dynamics of phytic acid regulation in maize.
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Affiliation(s)
- Vinay Bhatt
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
- AMITY Institute of Biotechnology, AMITY University, Noida 201313, Uttar Pradesh, India
| | - Vignesh Muthusamy
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Kusuma Kumari Panda
- AMITY Institute of Biotechnology, AMITY University, Noida 201313, Uttar Pradesh, India
| | - Ashvinkumar Katral
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Rashmi Chhabra
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Subhra J Mishra
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Ikkurti Gopinath
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Rajkumar U Zunjare
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | | | - Sujay Rakshit
- ICAR-Indian Institute of Maize Research, Ludhiana 141004, India
- ICAR-Indian Institute of Agricultural Biotechnology, Ranchi 834010, India
| | - Devendra K Yadava
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
| | - Firoz Hossain
- Division of Genetics, ICAR-Indian Agricultural Research Institute, New Delhi 110012, India
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12
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Nezhad NG, Rahman RNZRA, Normi YM, Oslan SN, Shariff FM, Leow TC. Isolation, screening and molecular characterization of phytase-producing microorganisms to discover the novel phytase. Biologia (Bratisl) 2023; 78:2527-2537. [DOI: 10.1007/s11756-023-01391-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 03/10/2023] [Indexed: 09/02/2023]
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13
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Yang S, Liu T, Mo J, Yang H, Wang H, Huang G, Cai G, Wu Z, Zhang X. Digestion and utilization of plant-based diets by transgenic pigs secreting β-glucanase, xylanase, and phytase in their salivary glands. Transgenic Res 2023; 32:109-119. [PMID: 36809403 DOI: 10.1007/s11248-023-00339-9] [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: 12/01/2022] [Accepted: 02/13/2023] [Indexed: 02/23/2023]
Abstract
Novel transgenic (TG) pigs co-expressing three microbial enzymes, β-glucanase, xylanase, and phytase, in their salivary glands were previously generated, which exhibited reduced phosphorus and nitrogen emissions and improved growth performances. In the present study, we attempted to explore the age-related change of the TG enzymic activity, the residual activity of the enzymes in the simulated gastrointestinal tract, and the effect of the transgenes on the digestion of nitrogen and phosphorus content in the fiber-rich, plant-based diets. Results showed that all the three enzymes were stably expressed over the growing and finishing periods in the F2 generation TG pigs. In simulated gastric juice, all the three enzymes exhibited excellent gastrointestinal environment adaptability. The apparent total tract digestibility of phosphorus was increased by 69.05% and 499.64%, while fecal phosphate outputs were decreased by 56.66% and 37.32%, in the TG pigs compared with the wild-type littermates fed with low non-starch polysaccharides diets and high fiber diets, respectively. Over half of available phosphorus and water-soluble phosphorus in fecal phosphorus were reduced. We also found the performance of phosphorus, calcium, and nitrogen retention rates were significantly improved, resulting in faster growth performance in TG pigs. The results indicate that TG pigs can effectively digest the high-fiber diets and exhibit good growth performance compared with wild type pigs.
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Affiliation(s)
- Shanxin Yang
- College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Tingting Liu
- College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Jianxin Mo
- Yunfu Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu, 527400, China.,National Engineering Research Center for Breeding Swine Industry, Wens Foodstuff Group Co., Ltd, Yunfu, 527400, China
| | - Huaqiang Yang
- Yunfu Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu, 527400, China.,College of Animal Science, South China Agricultural University, Guangzhou, 510642, China.,National Engineering Research Center for Breeding Swine Industry, Wens Foodstuff Group Co., Ltd, Yunfu, 527400, China
| | - Haoqiang Wang
- College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Guangyan Huang
- College of Animal Science, South China Agricultural University, Guangzhou, 510642, China
| | - Gengyuan Cai
- Yunfu Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu, 527400, China.,College of Animal Science, South China Agricultural University, Guangzhou, 510642, China.,National Engineering Research Center for Breeding Swine Industry, Wens Foodstuff Group Co., Ltd, Yunfu, 527400, China
| | - Zhenfang Wu
- Yunfu Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu, 527400, China.,College of Animal Science, South China Agricultural University, Guangzhou, 510642, China.,National Engineering Research Center for Breeding Swine Industry, Wens Foodstuff Group Co., Ltd, Yunfu, 527400, China
| | - Xianwei Zhang
- Yunfu Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Yunfu, 527400, China. .,National Engineering Research Center for Breeding Swine Industry, Wens Foodstuff Group Co., Ltd, Yunfu, 527400, China.
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14
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Waldrip HM, Campbell TN, Koziel JA, Watts DB, Torbert HA. Legacy phosphorus in Alabama Hartsells soil after long-term amendment with broiler litter. JOURNAL OF ENVIRONMENTAL QUALITY 2023. [PMID: 36758189 DOI: 10.1002/jeq2.20462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Numerous studies have investigated effects of long-term manure application on total phosphorus (P) and inorganic P (Pi ), but few have evaluated soil organic P (Po ). Little is known about crop management effects on Po in soils with varying minerology. In this study, sequential fractionation was used to characterize specific P forms after 25 years of broiler litter (BL) or ammonium nitrate (Con) applications to an Alabama Hartsells soil. Crops (corn [Zea mays L.], soybean [Glycine Willd.], and corn or soybean with a wheat [Triticum aestivum L.] cover crop) were under conventional tillage (CT) or no-tillage (NT). Regardless of crop, tillage, or fertilizer type, the proportion of extractable Pi was relatively stable at 21%-49% at 0-5 cm and 25%-45% at 5-10 cm. Extractable Pi ranged from 0.69 to 2.4 mg g-1 . BL increased total extractable Pi (p ≤ 0.001) at 0-5 cm and 5-10 cm. Total extractable P was influenced at 0-5 cm (p ≤ 0.006) by both tillage and fertilization type, but not at 5-10 cm or at either depth in soybean plots. Long-term BL application increased total extractable soil P at 0-5 cm. In corn systems, CT did not reduce P loading to topsoil or result in P leaching to lower soil depths, compared to NT. Soybean and soybean-wheat reduced P loading in BL plots, compared to corn and corn-wheat. Soil Po was classed in the order of monoesters > phytate and polyphosphates, where most was extractable with NaOH. BL increased extractable Po in all fractions. Care should be taken when applying BL to highly weathered soils to avoid legacy Po accumulation. Soybean rotations and cover crops could help remediate P-laden soils after repeated BL application.
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Affiliation(s)
- Heidi M Waldrip
- USDA-ARS Conservation and Production Research Laboratory, Bushland, Texas, USA
| | - Terra N Campbell
- USDA-ARS Conservation and Production Research Laboratory, Bushland, Texas, USA
| | - Jacek A Koziel
- USDA-ARS Conservation and Production Research Laboratory, Bushland, Texas, USA
| | - Dexter B Watts
- USDA-ARS National Soil Dynamics Research, Auburn, Alabama, USA
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15
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Sruthi NU, Rao PS, Bennett SJ, Bhattarai RR. Formulation of a Synergistic Enzyme Cocktail for Controlled Degradation of Sorghum Grain Pericarp. Foods 2023; 12:foods12020306. [PMID: 36673398 PMCID: PMC9857962 DOI: 10.3390/foods12020306] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/05/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023] Open
Abstract
Sorghum is one of the major grains produced worldwide for food and fodder, owing to its nutritional profile advantages. However, the utilisation of whole grain sorghum as an ingredient in conventional food formulations is limited due to its poor digestibility, which requires the removal of the outer fibrous layers. Grain breakage and loss of essential nutrients also disadvantage traditional milling practices. Using carbohydrate degrading enzymes to hydrolyse the grain pericarp is a novel approach to biopolishing, where selective degradation of the pericarp layers occurs without adversely affecting the nutrient profile. A collective synergism of enzymes has been proven to cause effective hydrolysis compared to individual enzymes due to the complex presence of non-starch polysaccharides in the grain's outer layers, which comprise a variety of sugars that show specific degradation with respect to each enzyme. The present study aimed to formulate such an enzyme cocktail with xylanase, cellulase, and pectinase in different proportions for hydrolysing sorghum grain pericarp by determining the yield of specific sugars in the pericarp extract after a certain period of incubation. The results showed that the xylanase enzyme has a major effect on the grain bran composition compared to cellulase and pectinase; however, a synergistic mixture yielded more hydrolysed sugars and anti-nutrients in the extract compared to each of the enzymes individually. The results were confirmed by morphological and crystallinity studies of the soaked grain. Compared to conventional water-soaked samples, grains soaked in a cocktail with 66.7% xylanase, 16.7% cellulase, and 16.7% pectinase had visibly thinner and more degraded fibre layers.
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Affiliation(s)
- N. U. Sruthi
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley 6102, Australia
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Pavuluri Srinivasa Rao
- Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sarita Jane Bennett
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley 6102, Australia
| | - Rewati Raman Bhattarai
- School of Molecular and Life Sciences, Faculty of Science and Engineering, Curtin University, Bentley 6102, Australia
- Correspondence:
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16
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Feijo JC, Vieira SL, Horn RM, Altevogt WE, Tormes G. Iron requirements of broiler chickens as affected by supplemental phytase. J Anim Sci 2023; 101:skad265. [PMID: 37540518 PMCID: PMC10541853 DOI: 10.1093/jas/skad265] [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: 06/10/2023] [Accepted: 08/02/2023] [Indexed: 08/05/2023] Open
Abstract
Iron is routinely supplemented in broiler feeds intending to prevent dietary deficiencies. The present research was conducted with the objective of assessing Fe requirements of broilers when fed supplemental phytase. A total of 1,280 1-d-old male Cobb × Cobb 500 were distributed in a 2 × 5 factorial arrangement (phytase-supplemented feeds × 5 graded increases of supplemental Fe) in 80 battery cages, eight replications of eight chicks each. The trial was replicated once. Chicks were fed a Fe-deficient diet without phytase (Fe analyzed at 31.30 ± 3.79 mg/kg) from placement to 7 d and then randomly distributed into battery cages with corresponding dieting treatments with or without phytase and graded increases of supplemental Fe. Feeds were formulated with corn and soybean meal (SBM), laboratory-grade calcium carbonate, and phosphoric acid; therefore, the vast majority of dietary Fe originated from corn and SBM (analyzed diet had 53.3 ± 1.41 mg/kg Fe). Phytase was added in excess to the producer recommendation of 1,000 FYT (4,452 ± 487 FYT/kg analyzed) such that phytate degradation was expected to be maximized. Supplemental Fe was from laboratory-grade ferrous sulfate heptahydrate (FeSO47H2O) which was increasingly added to the feeds (analyzed Fe in the supplemented feeds were: 53.3 ± 1.41, 65.5 ± 0.59, 77.2 ± 1.97, 87.6 ± 1.72, 97.7 ± 1.33 mg/kg). There were no interactions between phytase and dietary Fe for any response throughout the study (P > 0.05). Supplementing phytase had no effects on Fe intake or Fe excretion, as well as on hematocrit (Ht), hemoglobin (Hb), ferritin, Fe contents in the liver or thigh muscle color (P > 0.05). However, phytase-supplemented feeds produced better live performance as well as higher ileal digestible energy and Fe digestibility (P < 0.05). No effects were found for dietary Fe in live performance at day 28 (P > 0.05). On the other hand, increasing dietary Fe led to linear increases in Fe retention and excretion, Fe contents in livers, as well as Ht and Hb at 14 d (P < 0.05). Quadratic responses (P < 0.05) were observed for Hb at 21 d, serum ferritin on days 14, 21, and 28 (maximum responses were 83.3, 104.0, 91.9, and 88.3 mg/kg Fe, respectively). In conclusion, supplementing Fe adding to a total of 97.7 mg/kg dietary Fe did not affect live performance traits. However, the average of Fe-related blood parameters was maximized at 91.9 mg/kg dietary Fe. Supplementing phytase provided a significant increase in Fe digestibility.
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Affiliation(s)
- Julmar Costa Feijo
- Department of Animal Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil
| | - Sergio Luiz Vieira
- Department of Animal Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil
| | - Raquel Medeiros Horn
- Department of Animal Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil
| | - Walter Edmundo Altevogt
- Department of Animal Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil
| | - Giovane Tormes
- Department of Animal Sciences, Federal University of Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil
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17
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Pires SMG, Reis RS, Cardoso SM, Pezzani R, Paredes-Osses E, Seilkhan A, Ydyrys A, Martorell M, Sönmez Gürer E, Setzer WN, Abdull Razis AF, Modu B, Calina D, Sharifi-Rad J. Phytates as a natural source for health promotion: A critical evaluation of clinical trials. Front Chem 2023; 11:1174109. [PMID: 37123871 PMCID: PMC10140425 DOI: 10.3389/fchem.2023.1174109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 04/03/2023] [Indexed: 05/02/2023] Open
Abstract
Phytates are a type of organophosphorus compound produced in terrestrial ecosystems by plants. In plant feeds, phytic acid and its salt form, phytate, account for 60%-80% of total phosphorus. Because phytate is a polyanionic molecule, it can chelate positively charged cations such as calcium, iron, and zinc. Due to its prevalence in vegetal tissues and the fact that people consume plants, phytate was first considered a potential health benefit. This updated review aims to summarize the current data on the results of clinical trials of phytates on human health, highlighting both beneficial and undesirable effects. To obtain these updated data, published papers in electronic databases such as PubMed/MedLine, TRIP database, Wiley, Google Scholar, Baidu, and Scopus were searched. Study results have shown that phytate can have beneficial health effects such as antioxidant, anticancer potential and reduction of pathological calcifications in blood vessels and organs; but also, negative effects by reducing the absorption of minerals important for maintaining the homeostasis of the human body. According to these recent results derived from recent clinical studies, phytates may be a potential natural source for health benefits. To improve clinical efficacy and human health benefits, further dose-response studies are needed to determine effective therapeutic doses and potential interactions with conventional drugs.
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Affiliation(s)
- Sónia M. G. Pires
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Rita Silva Reis
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Susana M. Cardoso
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Aveiro, Portugal
- *Correspondence: Susana M. Cardoso, ; Miquel Martorell, ; Ahmad Faizal Abdull Razis, ; Daniela Calina, ; Javad Sharifi-Rad,
| | - Raffaele Pezzani
- Phytotherapy Lab (PhT-Lab), Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
- AIROB, Associazione Italiana per la Ricerca Oncologica di Base, Padova, Italy
| | - Esteban Paredes-Osses
- Instituto de Ciencias Naturales, Facultad de Medicina Veterinaria y Agronomía, Universidad de Las Américas, Las Américas, Chile
| | - Ainur Seilkhan
- Educational Program, Geography, Environment and Service Sector, Abai Kazakh National Pedagogical University, Almaty, Kazakhstan
| | - Alibek Ydyrys
- Biomedical Research Centre, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Miquel Martorell
- Centre for Healthy Living, Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepción, Concepción, Chile
- Unidad de Desarrollo Tecnológico, UDT, Universidad de Concepción, Concepción, Chile
- *Correspondence: Susana M. Cardoso, ; Miquel Martorell, ; Ahmad Faizal Abdull Razis, ; Daniela Calina, ; Javad Sharifi-Rad,
| | - Eda Sönmez Gürer
- Department of Pharmacognosy, Faculty of Pharmacy, Sivas Cumhuriyet University, Sivas, Türkiye
| | - William N. Setzer
- Aromatic Plant Research Center, Lehi, UT, United States
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL, United States
| | - Ahmad Faizal Abdull Razis
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Natural Medicines and Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- *Correspondence: Susana M. Cardoso, ; Miquel Martorell, ; Ahmad Faizal Abdull Razis, ; Daniela Calina, ; Javad Sharifi-Rad,
| | - Babagana Modu
- Natural Medicines and Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
- Department of Biochemistry, Faculty of Science, University of Maiduguri, Maiduguri, Borno, Nigeria
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
- *Correspondence: Susana M. Cardoso, ; Miquel Martorell, ; Ahmad Faizal Abdull Razis, ; Daniela Calina, ; Javad Sharifi-Rad,
| | - Javad Sharifi-Rad
- Facultad de Medicina, Universidad del Azuay, Cuenca, Ecuador
- *Correspondence: Susana M. Cardoso, ; Miquel Martorell, ; Ahmad Faizal Abdull Razis, ; Daniela Calina, ; Javad Sharifi-Rad,
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18
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Hao DL, Zhou JY, Huang YN, Wang HR, Li XH, Guo HL, Liu JX. Roles of plastid-located phosphate transporters in carotenoid accumulation. FRONTIERS IN PLANT SCIENCE 2022; 13:1059536. [PMID: 36589064 PMCID: PMC9798012 DOI: 10.3389/fpls.2022.1059536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 11/28/2022] [Indexed: 06/17/2023]
Abstract
Enhanced carotenoid accumulation in plants is crucial for the nutritional and health demands of the human body since these beneficial substances are acquired through dietary intake. Plastids are the major organelles to accumulate carotenoids in plants and it is reported that manipulation of a single plastid phosphate transporter gene enhances carotenoid accumulation. Amongst all phosphate transport proteins including phosphate transporters (PHTs), plastidial phosphate translocators (pPTs), PHOSPHATE1 (PHO1), vacuolar phosphate efflux transporter (VPE), and Sulfate transporter [SULTR]-like phosphorus distribution transporter (SPDT) in plants, plastidic PHTs (PHT2 & PHT4) are found as the only clade that is plastid located, and manipulation of which affects carotenoid accumulation. Manipulation of a single chromoplast PHT (PHT4;2) enhances carotenoid accumulation, whereas manipulation of a single chloroplast PHT has no impact on carotenoid accumulation. The underlying mechanism is mainly attributed to their different effects on plastid orthophosphate (Pi) concentration. PHT4;2 is the only chromoplast Pi efflux transporter, and manipulating this single chromoplast PHT significantly regulates chromoplast Pi concentration. This variation subsequently modulates the carotenoid accumulation by affecting the supply of glyceraldehyde 3-phosphate, a substrate for carotenoid biosynthesis, by modulating the transcript abundances of carotenoid biosynthesis limited enzyme genes, and by regulating chromoplast biogenesis (facilitating carotenoid storage). However, at least five orthophosphate influx PHTs are identified in the chloroplast, and manipulating one of the five does not substantially modulate the chloroplast Pi concentration in a long term due to their functional redundancy. This stable chloroplast Pi concentration upon one chloroplast PHT absence, therefore, is unable to modulate Pi-involved carotenoid accumulation processes and finally does affect carotenoid accumulation in photosynthetic tissues. Despite these advances, several cases including the precise location of plastid PHTs, the phosphate transport direction mediated by these plastid PHTs, the plastid PHTs participating in carotenoid accumulation signal pathway, the potential roles of these plastid PHTs in leaf carotenoid accumulation, and the roles of these plastid PHTs in other secondary metabolites are waiting for further research. The clarification of the above-mentioned cases is beneficial for breeding high-carotenoid accumulation plants (either in photosynthetic or non-photosynthetic edible parts of plants) through the gene engineering of these transporters.
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Affiliation(s)
- Dong-Li Hao
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Jin-Yan Zhou
- Department of Agronomy and Horticulture, Jiangsu Vocational College of Agriculture and Forest, Jurong, China
| | - Ya-Nan Huang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University, Nanjing, China
| | - Hao-Ran Wang
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Xiao-Hui Li
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Hai-Lin Guo
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
| | - Jian-Xiu Liu
- The National Forestry and Grassland Administration Engineering Research Center for Germplasm Innovation and Utilization of Warm-Season Turfgrasses, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, China
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Mihaly Cozmuta A, Nicula C, Peter A, Mihaly Cozmuta L, Nartea A, Kuhalskaya A, Pacetti D, Silvi S, Fiorini D, Pruteanu L. Cricket and yellow mealworm powders promote higher bioaccessible fractions of mineral elements in functional bread. J Funct Foods 2022. [DOI: 10.1016/j.jff.2022.105310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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20
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Sukma A, Anwar H, Ikhsanudin A. Effect of Rhizopus oryzae fermentation on proximate composition, anti-nutrient contents, and functional properties of banana peel flour. INTERNATIONAL FOOD RESEARCH JOURNAL 2022. [DOI: 10.47836/ifrj.29.5.21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The present work aimed to evaluate the effect of fermentation by Rhizopus oryzae on the proximate composition, anti-nutrient contents, and functional properties of banana peel flour using the solid-state fermentation method in a tray bioreactor at 30°C for 96 h. Throughout fermentation, samples were obtained at different times (0/NF, 24, 48, 72, and 96 h), and analysed using standard procedures to determine the proximate composition, anti-nutrient contents, and functional properties. Based on the results, there were significant differences observed (p < 0.05). Carbohydrate content decreased by 3.35%, while the crude protein, fat, ash, and crude fibre contents increased by 11.12, 2.43, 10.99, and 3.50%, respectively. Hydrogen cyanide, saponin, oxalate, and phytate contents decreased by 42.59, 25, 23.83, and 43.82%, respectively. Water absorption capacity (WAC) and the water solubility index (WSI) increased by 3.94 and 37.14%, respectively, while oil absorption capacity (OAC) decreased by 4.48%. These results showed that the fermentation of banana peel flour by R. oryzae has potential benefits for the food industry due to its effect on chemical composition and functional properties.
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Viana VE, Maltzahn LE, Costa de Oliveira A, Pegoraro C. Genetic Approaches for Iron and Zinc Biofortification and Arsenic Decrease in Oryza sativa L. Grains. Biol Trace Elem Res 2022; 200:4505-4523. [PMID: 34773578 DOI: 10.1007/s12011-021-03018-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Accepted: 11/04/2021] [Indexed: 12/29/2022]
Abstract
Rice is the staple diet to half of the world's population, being a major source of carbohydrates, vitamins, and some essential elements. However, rice naturally contains low amounts of essential minerals such as iron (Fe) and zinc (Zn), which are drastically decreased after milling. Thus, populations that consume mostly rice may have micronutrient deficiency, which is associated with different diseases. On the other hand, rice irrigated by flooding has a high ability to accumulate arsenic (As) in the grain. Therefore, when rice is grown in areas with contaminated soil or irrigation water, it represents a risk factor for consumers, since As is associated with cancer and other diseases. Different strategies have been used to mitigate micronutrient deficiencies such as Fe and Zn and to prevent As from entering the food chain. Each strategy has its positive and its negative sides. The development of genetically biofortified rice plants with Fe and Zn and with low As accumulation is one of the most promising strategies, since it does not represent an additional cost for farmers, and gives benefits to consumers as well. Considering the importance of genetic improvement (traditional or molecular) to decrease the impact of micronutrient deficiencies such as Fe and Zn and contamination with As, this review aimed to summarize the major efforts, advances, and challenges for genetic biofortification of Fe and Zn and decrease in As content in rice grains.
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Affiliation(s)
- Vívian Ebeling Viana
- Centro de Genômica E Fitomelhoramento, Departamento de Fitotecnia, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Capão Do Leão, Brazil
| | - Latóia Eduarda Maltzahn
- Centro de Genômica E Fitomelhoramento, Departamento de Fitotecnia, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Capão Do Leão, Brazil
| | - Antonio Costa de Oliveira
- Centro de Genômica E Fitomelhoramento, Departamento de Fitotecnia, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Capão Do Leão, Brazil
| | - Camila Pegoraro
- Centro de Genômica E Fitomelhoramento, Departamento de Fitotecnia, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Capão Do Leão, Brazil.
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Biocompounds and amino acid in Vernonia amygdalina: impact of post-harvest treatments. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2022. [DOI: 10.1007/s11694-022-01611-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Liu X, Han R, Cao Y, Turner BL, Ma LQ. Enhancing Phytate Availability in Soils and Phytate-P Acquisition by Plants: A Review. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:9196-9219. [PMID: 35675210 PMCID: PMC9261192 DOI: 10.1021/acs.est.2c00099] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
Phytate (myo-inositol hexakisphosphate salts) can constitute a large fraction of the organic P in soils. As a more recalcitrant form of soil organic P, up to 51 million metric tons of phytate accumulate in soils annually, corresponding to ∼65% of the P fertilizer application. However, the availability of phytate is limited due to its strong binding to soils via its highly-phosphorylated inositol structure, with sorption capacity being ∼4 times that of orthophosphate in soils. Phosphorus (P) is one of the most limiting macronutrients for agricultural productivity. Given that phosphate rock is a finite resource, coupled with the increasing difficulty in its extraction and geopolitical fragility in supply, it is anticipated that both economic and environmental costs of P fertilizer will greatly increase. Therefore, optimizing the use of soil phytate-P can potentially enhance the economic and environmental sustainability of agriculture production. To increase phytate-P availability in the rhizosphere, plants and microbes have developed strategies to improve phytate solubility and mineralization by secreting mobilizing agents including organic acids and hydrolyzing enzymes including various phytases. Though we have some understanding of phytate availability and phytase activity in soils, the limiting steps for phytate-P acquisition by plants proposed two decades ago remain elusive. Besides, the relative contribution of plant- and microbe-derived phytases, including those from mycorrhizas, in improving phytate-P utilization is poorly understood. Hence, it is important to understand the processes that influence phytate-P acquisition by plants, thereby developing effective molecular biotechnologies to enhance the dynamics of phytate in soil. However, from a practical view, phytate-P acquisition by plants competes with soil P fixation, so the ability of plants to access stable phytate must be evaluated from both a plant and soil perspective. Here, we summarize information on phytate availability in soils and phytate-P acquisition by plants. In addition, agronomic approaches and biotechnological strategies to improve soil phytate-P utilization by plants are discussed, and questions that need further investigation are raised. The information helps to better improve phytate-P utilization by plants, thereby reducing P resource inputs and pollution risks to the wider environment.
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Affiliation(s)
- Xue Liu
- Institute
of Environment Remediation and Human Health, and College of Ecology
and Environment, Southwest Forestry University, Kunming 650224, China
| | - Ran Han
- Institute
of Soil and Water Resources and Environmental Science, College of
Environmental and Resource Sciences, Zhejiang
University, Hangzhou 310058, China
| | - Yue Cao
- School
of Environmental Science and Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Benjamin L. Turner
- Institute
of Soil and Water Resources and Environmental Science, College of
Environmental and Resource Sciences, Zhejiang
University, Hangzhou 310058, China
| | - Lena Q. Ma
- Institute
of Soil and Water Resources and Environmental Science, College of
Environmental and Resource Sciences, Zhejiang
University, Hangzhou 310058, China
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The Impact of Hempseed Consumption on Bone Parameters and Body Composition in Growing Female C57BL/6 Mice. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19105839. [PMID: 35627377 PMCID: PMC9140819 DOI: 10.3390/ijerph19105839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/07/2022] [Accepted: 05/09/2022] [Indexed: 02/04/2023]
Abstract
Optimizing peak bone mass is critical to healthy aging. Beyond the established roles of dietary minerals and protein on bone integrity, fatty acids and polyphenols modify bone structure. This study investigated the effect of a diet containing hempseeds (HS), which are rich in polyunsaturated fatty acids and polyphenols, on bone mineral density, bone cell populations and body composition. Groups (n = 8 each) of female C57BL/6 mice were fed one of three diets (15% HS by weight; 5% HS; 0% HS (control)) from age 5 to 30 weeks. In vivo whole-body composition and bone mineral density and content were measured every 4 weeks using dual-energy X-ray absorptiometry. Ex vivo humeri cell populations in the epiphyseal plate region were determined by sectioning the bone longitudinally, mounting the sections on slides and staining with tartrate-resistant acid phosphatase and alkaline phosphatase stain to identify osteoclasts and osteoblasts, respectively. Mixed models with repeated measures across experimental weeks showed that neither body weight nor body weight gain across weeks differed among groups yet mice fed the 15% HS diet consumed significantly more food and more kilocalories per g body weight gained than those fed the 5% HS and control diets (p < 0.0001). Across weeks, fat mass was significantly higher in the 5% HS versus the control group (p = 0.02). At the end point, whole-body bone mineral content was significantly higher in the control compared to the 5% HS group (p = 0.02). Humeri from both HS groups displayed significantly lower osteoblast densities compared to the control group (p < 0.0001). No relationship was seen between osteoblast density and body composition measurements. These data invite closer examination of bone cell activity and microarchitecture to determine the effect of habitual HS consumption on bone integrity.
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Liang Q, Yuan M, Xu L, Lio E, Zhang F, Mou H, Secundo F. Application of enzymes as a feed additive in aquaculture. MARINE LIFE SCIENCE & TECHNOLOGY 2022; 4:208-221. [PMID: 37073222 PMCID: PMC10077164 DOI: 10.1007/s42995-022-00128-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 02/28/2022] [Indexed: 05/03/2023]
Abstract
Modern aquaculture must be sustainable in terms of energy consumption, raw materials used, and environmental impact, so alternatives are needed to replace fish feed with other raw materials. Enzyme use in the agri-food industry is based on their efficiency, safety, and protection of the environment, which aligns with the requirements of a resource-saving production system. Enzyme supplementation in fish feed can improve digestibility and absorption of both plant- and animal-derived ingredients, increasing the growth parameters of aquacultural animals. Herein we summarized the recent literature that reported the use of digestive enzymes (amylases, lipases, proteases, cellulases, and hemicellulases) and non-digestive enzymes (phytases, glucose oxidase, and lysozyme) in fish feed. In addition, we analyzed how critical steps of the pelleting process, including microencapsulation and immobilization, can interfere with enzyme activity in the final fish feed product. Supplementary Information The online version contains supplementary material available at 10.1007/s42995-022-00128-z.
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Affiliation(s)
- Qingping Liang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003 China
| | - Mingxue Yuan
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003 China
| | - Liping Xu
- College of Biology and Geography, Yili Normal University, Yining, 835000 China
| | - Elia Lio
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, CNR, Via Mario Bianco n. 9, 20131 Milan, Italy
| | - Fang Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003 China
| | - Haijin Mou
- College of Food Science and Engineering, Ocean University of China, Qingdao, 266003 China
| | - Francesco Secundo
- Istituto di Scienze e Tecnologie Chimiche “Giulio Natta”, CNR, Via Mario Bianco n. 9, 20131 Milan, Italy
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Isolated and fermented orange and grape wastes: Bromatological characterization and phytase, lipase and protease source. INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.102978] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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27
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Udomkun P, Masso C, Swennen R, Romuli S, Innawong B, Fotso Kuate A, Akin‐Idowu PE, Alakonya A, Vanlauwe B. Comparative study of physicochemical, nutritional, phytochemical, and sensory properties of bread with plantain and soy flours partly replacing wheat flour. Food Sci Nutr 2022; 10:3085-3097. [PMID: 36171793 PMCID: PMC9469869 DOI: 10.1002/fsn3.2907] [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: 09/29/2021] [Revised: 04/10/2022] [Accepted: 04/12/2022] [Indexed: 11/12/2022] Open
Abstract
Plantain flour (PLF) and soy flour (SF) were used to substitute wheat flour (10% and 20% w/w) in composite bread. Physicochemical, phytochemical, and sensory properties were investigated. Partial substitution by PLF significantly increased (p < .05) starch, amylose, ascorbic acid, and potassium content in bread samples. In contrast, a significant improvement (p < .05) in protein, fat, amylopectin, and calcium content was observed with SF substitution. Composite bread with PLF and SF together lowered the hydrolysis index (HI) and glycemic index (GI) as compared with whole wheat flour. The molar phytate to minerals (iron, zinc, and calcium) ratio in all composite loaves was lower than reported critical values, except for phytate to iron. Significant differences (p < .05) were found in color, specific volume, and texture characteristics of loaves made from partial substitution with PLF and SF. Sensory evaluation revealed that bread with 10% PLF exhibited better scores for appearance and willingness to pay than the control. In contrast, SF negatively affected (p < .05) the appearance, texture, color, overall acceptance, and willingness to pay. The trade‐off analysis indicated that PLF can be utilized to produce bread that meets consumers' demands, while incorporating SF as an alternative high‐nutrient density bread will be beneficial to health.
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Affiliation(s)
| | - Cargele Masso
- International Institute of Tropical Agriculture (IITA) Yaoundé Cameroon
| | - Rony Swennen
- International Institute of Tropical Agriculture (IITA) Kampala Uganda
- Department of Biosystems KU Leuven Heverlee Belgium
| | - Sebastian Romuli
- Institute of Agricultural Engineering, Tropics and Subtropics Group University of Hohenheim Stuttgart Germany
| | - Bhundit Innawong
- Department of Food Technology Faculty of Engineering and Industrial Technology Silpakorn University Nakhon Pathom Thailand
| | | | | | - Amos Alakonya
- International Maize and Wheat Improvement Center (CIMMYT) Texcoco Mexico
| | - Bernard Vanlauwe
- International Institute of Tropical Agriculture (IITA) Nairobi Kenya
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28
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Elliott H, Woods P, Green BD, Nugent AP. Can sprouting reduce phytate and improve the nutritional composition and nutrient bioaccessibility in cereals and legumes? NUTR BULL 2022; 47:138-156. [DOI: 10.1111/nbu.12549] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/07/2022] [Accepted: 03/23/2022] [Indexed: 01/08/2023]
Affiliation(s)
- Hannah Elliott
- Linwoods Health Foods Co. Armagh UK
- School of Biological Sciences Institute for Global Food Security Queen's University Belfast Stranmillis UK
| | | | - Brian D. Green
- School of Biological Sciences Institute for Global Food Security Queen's University Belfast Stranmillis UK
| | - Anne P. Nugent
- School of Biological Sciences Institute for Global Food Security Queen's University Belfast Stranmillis UK
- School of Agriculture and Food Sciences Institute of Food and Health University College Dublin Dublin Ireland
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29
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Conditioning of Feed Material Prior to Feeding: Approaches for a Sustainable Phosphorus Utilization. SUSTAINABILITY 2022. [DOI: 10.3390/su14073998] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A circular phosphorus (P) bioeconomy is not only worthwhile for conserving limited mineral P reservoirs, but also for minimizing negative environmental impacts caused by human-made alterations. Although P is an essential nutrient, most of the P in concentrates based on cereals, legumes and oilseed byproducts is organically bound to phytate. The latter cannot be efficiently utilized by monogastric animals and is therefore diluted into the environment through the manure pathway. This review examines various strategies for improved P utilization in animals and reflects the respective limitations. The strategies considered include feeding of debranned feedstuffs, pre-germinated feed, co-feeding of phytase and feeding material with high native phytase activity. All these approaches contribute to an improved P bioavailability. However, about half of the organic P content continues to be excreted and therefore remains unused by the animals. Nevertheless, technologies for an efficient utilization of P from cereal-based feed already exist; however, these are not industrially established. Conditioning feed material prior to feeding fosters P-reduced feed; meanwhile, P bound to phytate can be recovered. Based on known techniques for P separation and solubilisation from cereal products and phytate conversion, potential designs for feed material conditioning processes are proposed and evaluated.
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30
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Reddy BHR, Thankachan P, Hatakayama M, Hiremath N, Moretti D, Nanjareddy YA, Thumilan MB, Ravikumar RL, Phadnis S, Bose B, Poveda L, Kalaiah G, Zimmermann MB, Shimizu KK, Schlapbach R, Kurpad AV, Sreeman SM. A Natural Low Phytic Acid Finger Millet Accession Significantly Improves Iron Bioavailability in Indian Women. Front Nutr 2022; 8:791392. [PMID: 35402470 PMCID: PMC8988890 DOI: 10.3389/fnut.2021.791392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/12/2021] [Indexed: 12/05/2022] Open
Abstract
Iron deficiency and anemia are common in low- and middle-income countries. This is due to a poor dietary iron density and low iron absorption resulting from the high inhibitory phytic acid content in cereal and millet-based diets. Here, we report that a naturally occurring low phytic acid finger millet accession (571 mg 100 g−1), stable across three growing seasons with normal iron content (3.6 mg 100 g−1), increases iron absorption by 3-folds in normal Indian women. The accessions differing in grain phytic acid content, GE 2358 (low), and GE1004 (high) were selected from a core collection of 623 accessions. Whole genome re-sequencing of the accessions revealed significant single nucleotide variations segregating them into distinct clades. A non-synonymous mutation in the EcABCC phytic acid transporter gene between high and low accessions could affect gene function and result in phytic acid differences. The highly sensitive dual stable-isotope erythrocyte incorporation method was adopted to assess the fractional iron absorption. The low phytic acid accession resulted in a significantly higher iron absorption compared with the high phytic acid accession (3.7 vs. 1.3%, p < 0.05). The low phytic acid accession could be effective in preventing iron deficiency in regions where finger millet is habitually eaten. With its low water requirement, finger millet leaves low environmental footprints and hence would be an excellent sustainable strategy to mitigate iron deficiency.
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Affiliation(s)
- Bellam H. Rajashekar Reddy
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bengaluru, India
| | - Prashanth Thankachan
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bengaluru, India
| | - Masoami Hatakayama
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
- Functional Genomics Center Zurich, Zurich, Switzerland
| | - Netravati Hiremath
- All India Coordinated Research Project (Foods and Nutrition), University of Agricultural Sciences, Bengaluru, India
| | - Diego Moretti
- Laboratory for Human Nutrition, Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Yellodu A. Nanjareddy
- Department of Crop Physiology, University of Agricultural Sciences, Bengaluru, India
| | - Mathi B. Thumilan
- Department of Crop Physiology, University of Agricultural Sciences, Bengaluru, India
| | | | - Shamprasad Phadnis
- Department of Biotechnology, University of Agricultural Sciences, Bengaluru, India
| | - Beena Bose
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bengaluru, India
| | - Lucy Poveda
- Functional Genomics Center Zurich, Zurich, Switzerland
| | - Geetha Kalaiah
- All India Coordinated Research Project (Foods and Nutrition), University of Agricultural Sciences, Bengaluru, India
| | - Michael B. Zimmermann
- Laboratory for Human Nutrition, Institute of Food, Nutrition and Health, ETH Zurich, Zurich, Switzerland
| | - Kentaro K. Shimizu
- Department of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland
| | | | - Anura V. Kurpad
- Division of Nutrition, St. John's Research Institute, St. John's National Academy of Health Sciences, Bengaluru, India
- Department of Physiology, St. John's Medical College, St. John's National Academy of Health Sciences, Bengaluru, India
| | - Sheshshayee M. Sreeman
- Department of Crop Physiology, University of Agricultural Sciences, Bengaluru, India
- *Correspondence: Sheshshayee M. Sreeman
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Sarkhel S, Roy A. Phytic acid and its reduction in pulse matrix: Structure–function relationship owing to bioavailability enhancement of micronutrients. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14030] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Shubhajit Sarkhel
- Laboratory of Food Chemistry and Technology, Department of Chemical Engineering Birla Institute of Technology Ranchi Jharkhand India
| | - Anupam Roy
- Laboratory of Food Chemistry and Technology, Department of Chemical Engineering Birla Institute of Technology Ranchi Jharkhand India
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General Health Benefits and Pharmacological Activities of Triticum aestivum L. Molecules 2022; 27:molecules27061948. [PMID: 35335312 PMCID: PMC8953994 DOI: 10.3390/molecules27061948] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/04/2022] [Accepted: 01/10/2022] [Indexed: 02/04/2023] Open
Abstract
Common wheat (Triticum aestivum), one of the world's most consumed cereal grains, is known for its uses in baking and cooking in addition to its medicinal uses. As this plant's medical benefits are enormous and scattered, this narrative review was aimed at describing the pharmacological activities, phytochemistry, and the nutritional values of Triticum aestivum. It is a good source of dietary fiber, resistant starch, phenolic acids, alkylresorcinols, lignans, and diverse antioxidant compounds such as carotenoids, tocopherols and tocotrienols. These constituents provide Triticum aestivum with a wide range of pharmacological properties, including anticancer, antimicrobial, antidiabetic, hypolipemic, antioxidant, laxative, and moisturizing effects. This review summarized the established benefits of wheat in human health, the mode of action, and different clinical, in vitro and in vivo studies for different varieties and cultivars. This review also gives an insight for future research into the better use of this plant as a functional food. More clinical trials, in vivo and in vitro studies are warranted to broaden the knowledge about the effect of Triticum aestivum on nutrition-related diseases prevention, and physical and mental well-being sustenance.
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Faba-Rodriguez R, Gu Y, Salmon M, Dionisio G, Brinch-Pedersen H, Brearley CA, Hemmings AM. Structure of a cereal purple acid phytase provides new insights to phytate degradation in plants. PLANT COMMUNICATIONS 2022; 3:100305. [PMID: 35529950 PMCID: PMC9073318 DOI: 10.1016/j.xplc.2022.100305] [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: 02/02/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
Grain phytate, a mixed metal ion salt of inositol hexakisphosphate, accounts for 60%-80% of stored phosphorus in plants and is a potent antinutrient of non-ruminant animals including humans. Through neofunctionalization of purple acid phytases (PAPhy), some cereals such as wheat and rye have acquired particularly high mature grain phytase activity. As PAPhy activity supplies phosphate, liberates metal ions necessary for seedling emergence, and obviates antinutrient effects of phytate, its manipulation and control are targeted crop traits. Here we show the X-ray crystal structure of the b2 isoform of wheat PAPhy induced during germination. This high-resolution crystal structure suggests a model for phytate recognition that, validated by molecular dynamics simulations, implicates elements of two sequence inserts (termed PAPhy motifs) relative to a canonical metallophosphoesterase (MPE) domain in forming phytate-specific substrate specificity pockets. These motifs are well conserved in PAPhys from monocot cereals, enzymes which are characterized by high specificity for phytate. Tested by mutagenesis, residues His229 in PAPhy motif 4 and Lys410 in the MPE domain, both conserved in PAPhys, are found to strongly influence phytase activity. These results explain the observed phytase activity of cereal PAPhys and open the way to the rational engineering of phytase activity in planta.
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Affiliation(s)
- Raquel Faba-Rodriguez
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Yinghong Gu
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Melissa Salmon
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Giuseppe Dionisio
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, 4200 Slagelse, Denmark
| | - Henrik Brinch-Pedersen
- Department of Agroecology, Research Center Flakkebjerg, Aarhus University, 4200 Slagelse, Denmark
| | - Charles A. Brearley
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
| | - Andrew M. Hemmings
- School of Chemistry, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
- School of Biological Sciences, University of East Anglia, Norwich Research Park, Norwich NR4 7TJ, UK
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
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Geraldo R, Santos CS, Pinto E, Vasconcelos MW. Widening the Perspectives for Legume Consumption: The Case of Bioactive Non-nutrients. FRONTIERS IN PLANT SCIENCE 2022; 13:772054. [PMID: 35222459 PMCID: PMC8866194 DOI: 10.3389/fpls.2022.772054] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 01/06/2022] [Indexed: 06/06/2023]
Abstract
Legume grains have provided essential nutrients in human diets for centuries, being excellent sources of proteins, carbohydrates, fatty acids, and fibers. They also contain several non-nutrients that historically have been connotated as toxic but that in recent years have been shown to have interesting bioactive properties. The discussion on the role of bioactive non-nutrients is becoming more important due to increasing science-based evidence on their potential antioxidant, hypoglycemic, hypolipidemic, and anticarcinogenic properties. At a time when legume-based products consumption is being strongly promoted by national governments and health authorities, there is a need to clearly define the recommended levels of such non-nutrients in human diets. However, there is insufficient data determining the ideal amount of non-nutrients in legume grains, which will exert the most positive health benefits. This is aligned with insufficient studies that clearly demonstrate if the positive health effects are due to the presence of specific non-nutrients or a result of a dietary balance. In fact, rather than looking directly at the individual food components, most nutritional epidemiology studies relate disease risk with the food and dietary patterns. The purpose of this perspective paper is to explore different types of non-nutrients present in legume grains, discuss the current evidence on their health benefits, and provide awareness for the need for more studies to define a recommended amount of each compound to identify the best approaches, either to enhance or reduce their levels.
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35
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Shiitake mycelium fermentation improves digestibility, nutritional value, flavor and functionality of plant proteins. Lebensm Wiss Technol 2022. [DOI: 10.1016/j.lwt.2021.113065] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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Abd El-Hack ME, El-Saadony MT, Salem HM, El-Tahan AM, Soliman MM, Youssef GBA, Taha AE, Soliman SM, Ahmed AE, El-Kott AF, Al Syaad KM, Swelum AA. Alternatives to antibiotics for organic poultry production: types, modes of action and impacts on bird's health and production. Poult Sci 2022; 101:101696. [PMID: 35150942 PMCID: PMC8844281 DOI: 10.1016/j.psj.2022.101696] [Citation(s) in RCA: 98] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 12/19/2022] Open
Abstract
The poultry industry contributes significantly to bridging the nutritional gap in many countries because of its meat and eggs products rich in protein and valuable nutrients at a cost less than other animal meat sources. The natural antibiotics alternatives including probiotics, prebiotics, symbiotics, organic acids, essential oils, enzymes, immunostimulants, and phytogenic (phytobiotic) including herbs, botanicals, essential oils, and oleoresins are the most common feed additives that acquire popularity in poultry industry following the ban of antibiotic growth promoters (AGPs). They are commonly used worldwide because of their unique properties and positive impact on poultry production. They can be easily mixed with other feed ingredients, have no tissue residues, improve feed intake, feed gain, feed conversion rate, improve bird immunity, improve digestion, increase nutrients availability as well as absorbability, have antimicrobial effects, do not affect carcass characters, decrease the usage of antibiotics, acts as antioxidants, anti-inflammatory, compete for stress factors and provide healthy organic products for human consumption. Therefore, the current review focuses on a comprehensive description of different natural antibiotic growth promoters’ alternatives, the mode of their action, and their impacts on poultry production.
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Affiliation(s)
- Mohamed E Abd El-Hack
- Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt.
| | - Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig 44511, Egypt
| | - Heba M Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Amira M El-Tahan
- Plant Production Department, Arid Lands Cultivation Research Institute, The City of Scientific Research and Technological Applications, SRTA-City. Borg El Arab, Alexandria, Egypt
| | - Mohamed M Soliman
- Clinical Laboratory Sciences Department, Turabah University College, Taif University, 21995, Saudi Arabia
| | - Gehan B A Youssef
- Forensic Medicine and Toxicology Department, Faculty of Veterinary Medicine, Benha University, Benha 13736, Egypt
| | - Ayman E Taha
- Department of Animal Husbandry and Animal Wealth Development, Faculty of Veterinary Medicine, Alexandria University, Rasheed 22758, Egypt
| | - Soliman M Soliman
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Ahmed E Ahmed
- Biology Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia; Department of Theriogenology, Faculty of Veterinary Medicine, South Valley University, 83523 Qena, Egypt
| | - Attalla F El-Kott
- Biology Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia; Zoology Department, College of Science, Damanhour University, Damanhour, Egypt
| | - Khalid M Al Syaad
- Biology Department, College of Science, King Khalid University, Abha 61413, Saudi Arabia; Director of the Research Center, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Ayman A Swelum
- Department of Animal Production, College of Food and Agriculture Sciences, King Saud University, P. O. Box 2460, Riyadh 11451, Saudi Arabia; Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Sharkia 44519, Egypt
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Phytic Acid and Whole Grains for Health Controversy. Nutrients 2021; 14:nu14010025. [PMID: 35010899 PMCID: PMC8746346 DOI: 10.3390/nu14010025] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 12/17/2021] [Accepted: 12/21/2021] [Indexed: 12/20/2022] Open
Abstract
Phytate (PA) serves as a phosphate storage molecule in cereals and other plant foods. In food and in the human body, PA has a high affinity to chelate Zn2+ and Fe2+, Mg2+, Ca2+, K+, Mn2+ and Cu2+. As a consequence, minerals chelated in PA are not bio-available, which is a concern for public health in conditions of poor food availability and low mineral intakes, ultimately leading to an impaired micronutrient status, growth, development and increased mortality. For low-income countries this has resulted in communications on how to reduce the content of PA in food, by appropriate at home food processing. However, claims that a reduction in PA in food by processing per definition leads to a measurable improvement in mineral status and that the consumption of grains rich in PA impairs mineral status requires nuance. Frequently observed decreases of PA and increases in soluble minerals in in vitro food digestion (increased bio-accessibility) are used to promote food benefits. However, these do not necessarily translate into an increased bioavailability and mineral status in vivo. In vitro essays have limitations, such as the absence of blood flow, hormonal responses, neural regulation, gut epithelium associated factors and the presence of microbiota, which mutually influence the in vivo effects and should be considered. In Western countries, increased consumption of whole grain foods is associated with improved health outcomes, which does not justify advice to refrain from grain-based foods because they contain PA. The present commentary aims to clarify these seemingly controversial aspects.
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Infanzón B, Herrmann KR, Hofmann I, Willbold S, Ruff AJ, Schwaneberg U. Phytase blends for enhanced phosphorous mobilization of deoiled seeds. Enzyme Microb Technol 2021; 153:109953. [PMID: 34847439 DOI: 10.1016/j.enzmictec.2021.109953] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 11/06/2021] [Accepted: 11/16/2021] [Indexed: 11/03/2022]
Abstract
Phytases are hydrolytic enzymes capable of a stepwise phosphate release from phytate which is the main phosphorous storage in seeds, cereals and legumes. Limitations such as low enzyme activity or incomplete phytate hydrolysis to inositol are a great challenge in phytase applications in food and feed. Herein we report a phytase blend of two enzymes with additive effects on phytate (InsP6) hydrolysis and its application in the enzymatic phosphorous recovery process. Blending the fast 6-phytase rPhyXT52 with the 3-phytase from Debaryomyces castellii, which is capable of fully hydrolyzing InsP6, we achieved rapid phosphate release with higher yields compared to the individual enzymes and a rapid disappearance of InsP6-3 intermediates, monitored by HPLC. NMR data suggest a nearly complete phytate hydrolysis to inositol and phosphate. The blend was applied for phosphate mobilization from phytate-rich biomass, such as deoiled seeds. For this emerging application, an up to 43% increased phosphate mobilization yield was achieved when using 1000 U of the blend per kg biomass compared to using only the E. coli phytase. Even so, the time of enzyme treatment was decreased by more than half (6 h instead of 16 h) when using 4000 U of blend, we reached a 78-90% reduction of the total phosphorous content in the explored deoiled seeds. In summary, the phytase blend of Dc phyt/rPhyXT52 was proven very efficient to obtain inositol phosphate depleted meal which has its potential application in animal feeding and is concomitant with the production of green phosphate from renewable resources.
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Affiliation(s)
- Belén Infanzón
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Kevin R Herrmann
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Isabell Hofmann
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Sabine Willbold
- Central Institute for Engineering, Electronics and Analytics, Analytics (ZEA-3), Wilhelm-Johnen-Straße, 52428 Jülich, Germany.
| | - Anna Joëlle Ruff
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany.
| | - Ulrich Schwaneberg
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074 Aachen, Germany; DWI-Leibniz Institut für Interaktive Materialien, Forckenbeckstraße 50, 52056 Aachen, Germany.
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Bielopolski D, Wenziger C, Steinmetz T, Rozen Zvi B, Kalantar-Zadeh K, Streja E. Novel Protein to Phosphorous Ratio Score Predicts Mortality in Hemodialysis Patients. J Ren Nutr 2021; 32:450-457. [PMID: 34740537 DOI: 10.1053/j.jrn.2021.08.008] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Revised: 07/19/2021] [Accepted: 08/10/2021] [Indexed: 11/11/2022] Open
Abstract
OBJECTIVE Lowering serum phosphorus in people on hemodialysis may improve their survival. However, prior studies have shown that restricting dietary protein intake, a major source of phosphorus, is associated with higher mortality. We hypothesized that a novel metric that incorporates both these values commensurately can improve survival prediction. METHODS We used serum phosphorous and normalized protein catabolic rate (nPCR), a surrogate of dietary protein intake, to form a new metric R that was used to examine the associations with mortality in 63,016 people on hemodialysis (HD) of one year after treatment initiation. Survival models were adjusted for case-mix, malnutrition-inflammation cachexia syndrome (MICS), and residual kidney function (RKF). RESULTS Individuals treated with hemodialysis were divided into five groups in accordance with R value. Group 1 included sick individuals with high phosphorous and low nPCR. Group 5 included individuals with low phosphorous and high nPCR. After 1-year follow-up, survival difference between the groups reflected R value, where an increase in R was associated with improved survival. The association of R with mortality was strengthened by adjustment in demographic variables and attenuated after adjustment to MICS. Mortality associations in accordance with R were not influenced by residual kidney function (RKF). CONCLUSION The novel protein to phosphorus ratio score R predicts mortality in people on dialysis, probably reflecting both nutrition and inflammation state independent of RKF. The metric enables better phosphorus monitoring, although adequate dietary protein intake is ensured and may improve the prediction of outcomes in the clinical setting.
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Affiliation(s)
- Dana Bielopolski
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California, Irvine, School of Medicine, Irvine, CA; Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Nephrology Institute, Rabin Medical Center, Petah Tiqva, Israel.
| | - Cachet Wenziger
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California, Irvine, School of Medicine, Irvine, CA
| | - Tali Steinmetz
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Nephrology Institute, Rabin Medical Center, Petah Tiqva, Israel
| | - Benaya Rozen Zvi
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Nephrology Institute, Rabin Medical Center, Petah Tiqva, Israel
| | - Kamyar Kalantar-Zadeh
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California, Irvine, School of Medicine, Irvine, CA
| | - Elani Streja
- Harold Simmons Center for Kidney Disease Research and Epidemiology, Division of Nephrology and Hypertension, University of California, Irvine, School of Medicine, Irvine, CA
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Bhar S, Bose T, Dutta A, Mande SS. A perspective on the benefits of consumption of parboiled rice over brown rice for glycaemic control. Eur J Nutr 2021; 61:615-624. [PMID: 34613432 DOI: 10.1007/s00394-021-02694-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 09/28/2021] [Indexed: 12/25/2022]
Abstract
PURPOSE Rice is a staple food for over 3.5 billion people worldwide. The nutritional content of rice varies with different post-harvest processing techniques. Major varieties include brown rice (BR), white rice (WR) and parboiled rice (PBR). While consumption of BR is advocated due to its higher nutritional content compared to other varieties, some studies have indicated lower post-prandial blood glucose (PPBG) levels when PBR is consumed. This apparent benefit of PBR consumption is not well publicised and no commentaries on underlying mechanisms are available in literature. METHODS In this review, we looked into differential nutrient content of PBR, as compared to BR and WR, and tried to understand how their consumption could be associated with glycaemic control. Various roles played by these nutrients in mechanisms of insulin secretion, insulin resistance, nutrient absorption and T2DM-associated inflammation were reviewed from literature-based evidence. RESULTS We report differential nutritional factors in PBR, with respect to BR (and WR), such as higher calcium and selenium content, lower phytic acids, and enriched vitamin B6 which might aid PBR's ability to provide better glycaemic control than BR. CONCLUSION Our interpretation of reviewed literature leads us to suggest the possible benefits of PBR consumption in glycaemic control and its inclusion as the preferred rice variant in diets of T2DM patients and at-risk individuals.
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Affiliation(s)
- Subhrajit Bhar
- TCS Research, Tata Consultancy Services Ltd, 54-B Hadapsar Industrial Estate, Pune, 411 013, India
| | - Tungadri Bose
- TCS Research, Tata Consultancy Services Ltd, 54-B Hadapsar Industrial Estate, Pune, 411 013, India
| | - Anirban Dutta
- TCS Research, Tata Consultancy Services Ltd, 54-B Hadapsar Industrial Estate, Pune, 411 013, India.
| | - Sharmila S Mande
- TCS Research, Tata Consultancy Services Ltd, 54-B Hadapsar Industrial Estate, Pune, 411 013, India.
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Yee J, Rosenbaum D, Jacobs JW, Sprague SM. Small Intestinal Phosphate Absorption: Novel Therapeutic Implications. Am J Nephrol 2021; 52:522-530. [PMID: 34515051 DOI: 10.1159/000518110] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 06/24/2021] [Indexed: 01/19/2023]
Abstract
BACKGROUND Chronic kidney disease (CKD) affects approximately 15% of adults in the USA. As CKD progresses, urinary phosphate excretion decreases and results in phosphate retention and, eventually, hyperphosphatemia. As hyperphosphatemia is associated with numerous adverse outcomes, including increased cardiovascular mortality, reduction in phosphorus concentrations is a guideline-recommended, established clinical practice. Dietary phosphate restriction, dialysis, and phosphate binders are currently the only options for phosphate management. However, many patients with hyperphosphatemia have phosphorus concentrations >5.5 mg/dL, despite treatment. SUMMARY This review pre-sents recent advances in the understanding of intestinal phosphate absorption and therapeutic implications. Dietary phosphate is absorbed in the intestine through two distinct pathways, paracellular absorption and transcellular transport. Recent evidence indicates that the paracellular route accounts for 65-80% of total phosphate absorbed. Thus, the paracellular pathway is the dominant mechanism of phosphate absorption. Tenapanor is a first-in-class, non-phosphate binder that inhibits the sodium-hydrogen exchanger 3 or solute carrier family 9 member 3 (SLC9A3) encoded by the SLC9A3 gene, and blocks paracellular phosphate absorption. Key Messages: Targeted inhibition of sodium-hydrogen exchanger 3 effectively reduces paracellular permeability of phosphate. Novel therapies that target the paracellular pathway may improve phosphate control in chronic kidney disease.
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Affiliation(s)
- Jerry Yee
- Nephrology and Hypertension, Henry Ford Hospital, Detroit, Michigan, USA
| | | | | | - Stuart M Sprague
- Division of Nephrology and Hypertension, NorthShore University Health System, Evanston, Illinois, USA
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DeMers LC, Raboy V, Li S, Saghai Maroof MA. Network Inference of Transcriptional Regulation in Germinating Low Phytic Acid Soybean Seeds. FRONTIERS IN PLANT SCIENCE 2021; 12:708286. [PMID: 34531883 PMCID: PMC8438133 DOI: 10.3389/fpls.2021.708286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/23/2021] [Indexed: 05/14/2023]
Abstract
The low phytic acid (lpa) trait in soybeans can be conferred by loss-of-function mutations in genes encoding myo-inositol phosphate synthase and two epistatically interacting genes encoding multidrug-resistance protein ATP-binding cassette (ABC) transporters. However, perturbations in phytic acid biosynthesis are associated with poor seed vigor. Since the benefits of the lpa trait, in terms of end-use quality and sustainability, far outweigh the negatives associated with poor seed performance, a fuller understanding of the molecular basis behind the negatives will assist crop breeders and engineers in producing variates with lpa and better germination rate. The gene regulatory network (GRN) for developing low and normal phytic acid soybean seeds was previously constructed, with genes modulating a variety of processes pertinent to phytic acid metabolism and seed viability being identified. In this study, a comparative time series analysis of low and normal phytic acid soybeans was carried out to investigate the transcriptional regulatory elements governing the transitional dynamics from dry seed to germinated seed. GRNs were reverse engineered from time series transcriptomic data of three distinct genotypic subsets composed of lpa soybean lines and their normal phytic acid sibling lines. Using a robust unsupervised network inference scheme, putative regulatory interactions were inferred for each subset of genotypes. These interactions were further validated by published regulatory interactions found in Arabidopsis thaliana and motif sequence analysis. Results indicate that lpa seeds have increased sensitivity to stress, which could be due to changes in phytic acid levels, disrupted inositol phosphate signaling, disrupted phosphate ion (Pi) homeostasis, and altered myo-inositol metabolism. Putative regulatory interactions were identified for the latter two processes. Changes in abscisic acid (ABA) signaling candidate transcription factors (TFs) putatively regulating genes in this process were identified as well. Analysis of the GRNs reveal altered regulation in processes that may be affecting the germination of lpa soybean seeds. Therefore, this work contributes to the ongoing effort to elucidate molecular mechanisms underlying altered seed viability, germination and field emergence of lpa crops, understanding of which is necessary in order to mitigate these problems.
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Affiliation(s)
- Lindsay C. DeMers
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - Victor Raboy
- National Small Grains Germplasm Research Center, Agricultural Research Service (USDA), Aberdeen, ID, United States
| | - Song Li
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
| | - M. A. Saghai Maroof
- School of Plant and Environmental Sciences, Virginia Tech, Blacksburg, VA, United States
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Škarpa P, Školníková M, Antošovský J, Horký P, Smýkalová I, Horáček J, Dostálová R, Kozáková Z. Response of Normal and Low-Phytate Genotypes of Pea ( Pisum sativum L.) on Phosphorus Foliar Fertilization. PLANTS 2021; 10:plants10081608. [PMID: 34451655 PMCID: PMC8399731 DOI: 10.3390/plants10081608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 07/30/2021] [Accepted: 08/04/2021] [Indexed: 11/16/2022]
Abstract
Phosphorus (P) is an important nutrient in plant nutrition. Its absorption by plants from the soil is influenced by many factors. Therefore, a foliar application of this nutrient could be utilized for the optimal nutrition state of plants. The premise of the study is that foliar application of phosphorus will increase the yield of normal-phytate (npa) cultivars (CDC Bronco a Cutlass) and low-phytate (lpa) lines (1-2347-144, 1-150-81) grown in soils with low phosphorus supply and affect seed quality depending on the ability of the pea to produce phytate. A graded application of phosphorus (H₃PO₄) in four doses: without P (P0), 27.3 mg P (P1), 54.5 mg P (P2), and 81.8 mg P/pot (P3) realized at the development stages of the 6th true leaf led to a significant increase of chlorophyll contents, and fluorescence parameters of chlorophyll expressing the CO2 assimilation velocity. The P fertilization increased the yield of seeds significantly, except the highest dose of phosphorus (P3) at which the yield of the npa cultivars was reduced. The line 1-2347-144 was the most sensible to the P application when the dose P3 increased the seed production by 42.1%. Only the lpa line 1-150-81 showed a decreased tendency in the phytate content at the stepped application of the P nutrition. Foliar application of phosphorus significantly increased ash material in seed, but did not tend to affect the protein and mineral content of seeds. Only the zinc content in seeds was significantly reduced by foliar application of P in npa and lpa pea genotypes. It is concluded from the present study that foliar phosphorus application could be an effective way to enhance the pea growth in P-deficient condition with a direct effect on seed yield and quality.
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Affiliation(s)
- Petr Škarpa
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriScience, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (M.Š.); (J.A.)
- Correspondence:
| | - Marie Školníková
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriScience, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (M.Š.); (J.A.)
| | - Jiří Antošovský
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of AgriScience, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic; (M.Š.); (J.A.)
| | - Pavel Horký
- Department of Animal Nutrition and Forage Production, Faculty of AgriScience, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic;
| | - Iva Smýkalová
- Agritec Plant Research Ltd., Zemědělská 2520/16, 787 01 Šumperk, Czech Republic; (I.S.); (J.H.); (R.D.)
| | - Jiří Horáček
- Agritec Plant Research Ltd., Zemědělská 2520/16, 787 01 Šumperk, Czech Republic; (I.S.); (J.H.); (R.D.)
| | - Radmila Dostálová
- Agritec Plant Research Ltd., Zemědělská 2520/16, 787 01 Šumperk, Czech Republic; (I.S.); (J.H.); (R.D.)
| | - Zdenka Kozáková
- Institute of Physical and Applied Chemistry, Faculty of Chemistry, Brno University of Technology, Purkyňova 118, 612 00 Brno, Czech Republic;
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Herrmann KR, Hofmann I, Jungherz D, Wittwer M, Infanzón B, Hamer SN, Davari MD, Ruff AJ, Schwaneberg U. Generation of phytase chimeras with low sequence identities and improved thermal stability. J Biotechnol 2021; 339:14-21. [PMID: 34271055 DOI: 10.1016/j.jbiotec.2021.07.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/25/2021] [Accepted: 07/09/2021] [Indexed: 11/18/2022]
Abstract
Being able to recombine more than two genes with four or more crossover points in a sequence independent manner is still a challenge in protein engineering and limits our capabilities in tailoring enzymes for industrial applications. By computational analysis employing multiple sequence alignments and homology modeling, five fragments of six phytase genes (sequence identities 31-64 %) were identified and efficiently recombined through phosphorothioate-based cloning using the PTRec method. By combinatorial recombination, functional phytase chimeras containing fragments of up to four phytases were obtained. Two variants (PTRec 74 and PTRec 77) with up to 32 % improved residual activity (90 °C, 60 min) and retained specific activities of > 1100 U/mg were identified. Both variants are composed of fragments from the phytases of Citrobacter braakii, Hafnia alvei and Yersinia mollaretii. They exhibit sequence identities of ≤ 80 % to their parental enzymes, highlighting the great potential of DNA recombination strategies to generate new enzymes with low sequences identities that offer opportunities for property right claims.
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Affiliation(s)
- Kevin R Herrmann
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Isabell Hofmann
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Dennis Jungherz
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Malte Wittwer
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Belén Infanzón
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Stefanie Nicole Hamer
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Mehdi D Davari
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany
| | - Anna Joëlle Ruff
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany.
| | - Ulrich Schwaneberg
- Lehrstuhl für Biotechnologie, RWTH Aachen University, Worringerweg 3, 52074, Aachen, Germany; DWI-Leibniz Institut für Interaktive Materialien, Forckenbeckstraße 50, 52056, Aachen, Germany.
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Metabolite profiling reveals the metabolic features of the progenies resulting from the low phytic acid rice (Oryza sativa L.) mutant. J Cereal Sci 2021. [DOI: 10.1016/j.jcs.2021.103251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Nutritional Profiling and Preliminary Bioactivity Screening of Five Micro-Algae Strains Cultivated in Northwest Europe. Foods 2021; 10:foods10071516. [PMID: 34359386 PMCID: PMC8307025 DOI: 10.3390/foods10071516] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 06/18/2021] [Accepted: 06/24/2021] [Indexed: 12/31/2022] Open
Abstract
This study aimed to map the nutritional profile and bioactivities of five microalgae that can be grown in Northwest Europe or areas with similar cultivation conditions. Next to the biochemical composition, the in vitro digestibility of carbohydrates, proteins, and lipids was studied for Chlamydomonas nivalis, Porphyridium purpureum, Chlorella vulgaris, Nannochloropsis gaditana, and Scenedesmus species biomass. These microalgae were also assessed for their ability to inhibit the angiotensin-1-converting enzyme (ACE-1, EC 3.4.15.1), which is known to play a role in the control of blood pressure in mammals. Large differences in organic matter solubility after digestion suggested that a cell disruption step is needed to unlock the majority of the nutrients from N. gaditana and Scenedesmus species biomass. Significant amounts of free glucose (16.4–25.5 g glucose/100 g dry algae) were detected after the digestion of C. nivalis, P. purpureum, and disrupted Scenedesmus. The fatty acid profiles showed major variations, with particularly high Ω-3 fatty acid levels found in N. gaditana (5.5 ± 0.5 g/100 g dry algae), while lipid digestibility ranged from 33.3 ± 6.5% (disrupted N. gaditana) to 67.1 ± 11.2% (P. purpureum). C. vulgaris and disrupted N. gaditana had the highest protein content (45–46% of dry matter), a nitrogen solubility after digestion of 65–71%, and the degree of protein hydrolysis was determined as 31% and 26%, respectively. Microalgae inhibited ACE-1 by 73.4–87.1% at physiologically relevant concentrations compared to a commercial control. These data can assist algae growers and processors in selecting the most suitable algae species for food or feed applications.
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Silva VM, Putti FF, White PJ, Reis ARD. Phytic acid accumulation in plants: Biosynthesis pathway regulation and role in human diet. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2021; 164:132-146. [PMID: 33991859 DOI: 10.1016/j.plaphy.2021.04.035] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
Phytate or phytic acid (PA), is a phosphorus (P) containing compound generated by the stepwise phosphorylation of myo-inositol. It forms complexes with some nutrient cations, such as Ca, Fe and Zn, compromising their absorption and thus acting as an anti-nutrient in the digestive tract of humans and monogastric animals. Conversely, PAs are an important form of P storage in seeds, making up to 90% of total seed P. Phytates also play a role in germination and are related to the synthesis of abscisic acid and gibberellins, the hormones involved in seed germination. Decreasing PA content in plants is desirable for human dietary. Therefore, low phytic acid (lpa) mutants might present some negative pleiotropic effects, which could impair germination and seed viability. In the present study, we review current knowledge of the genes encoding enzymes that function in different stages of PA synthesis, from the first phosphorylation of myo-inositol to PA transport into seed reserve tissues, and the application of this knowledge to reduce PA concentrations in edible crops to enhance human diet. Finally, phylogenetic data for PA concentrations in different plant families and distributed across several countries under different environmental conditions are compiled. The results of the present study help explain the importance of PA accumulation in different plant families and the distribution of PA accumulation in different foods.
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Affiliation(s)
| | | | - Philip J White
- The James Hutton Institute, Invergowrie, Dundee, DD2 5DA, UK
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Lau SW, Chong AQ, Chin NL, Talib RA, Basha RK. Sourdough Microbiome Comparison and Benefits. Microorganisms 2021; 9:microorganisms9071355. [PMID: 34201420 PMCID: PMC8306212 DOI: 10.3390/microorganisms9071355] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 12/11/2022] Open
Abstract
Sourdough is the oldest form of leavened bread used as early as 2000 BC by the ancient Egyptians. It may have been discovered by accident when wild yeast drifted into dough that had been left out resulting in fermentation of good microorganisms, which made bread with better flavour and texture. The discovery was continued where sourdough was produced as a means of reducing wastage with little known (at that point of time) beneficial effects to health. With the progress and advent of science and technology in nutrition, sourdough fermentation is now known to possess many desirable attributes in terms of health benefits. It has become the focus of attention and practice in modern healthy eating lifestyles when linked to the secret of good health. The sourdough starter is an excellent habitat where natural and wild yeast plus beneficial bacteria grow by ingesting only water and flour. As each sourdough starter is unique, with different activities, populations and interactions of yeast and bacteria due to different ingredients, environment, fermentation time and its carbohydrate fermentation pattern, there is no exact elucidation on the complete make-up of the sourdough microbiome. Some lactic acid bacteria (LAB) strains that are part of the sourdough starter are considered as probiotics which have great potential for improving gastrointestinal health. Hence, from a wide literature surveyed, this paper gives an overview of microbial communities found in different sourdough starters. This review also provides a systematic analysis that identifies, categorises and compares these microbes in the effort of linking them to specific functions, particularly to unlock their health benefits.
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Affiliation(s)
| | | | - Nyuk Ling Chin
- Correspondence: ; Tel.: +603-9769-6353; Fax: +603-9769-4440
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A review on enzyme-producing lactobacilli associated with the human digestive process: From metabolism to application. Enzyme Microb Technol 2021; 149:109836. [PMID: 34311881 DOI: 10.1016/j.enzmictec.2021.109836] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/30/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022]
Abstract
Complex carbohydrates, proteins, and other food components require a longer digestion process to be absorbed by the lining of the alimentary canal. In addition to the enzymes of the gastrointestinal tract, gut microbiota, comprising a large range of bacteria and fungi, has complementary action on the production of digestive enzymes. Within this universe of "hidden soldiers", lactobacilli are extensively studied because of their ability to produce lactase, proteases, peptidases, fructanases, amylases, bile salt hydrolases, phytases, and esterases. The administration of living lactobacilli cells has been shown to increase nutrient digestibility. However, it is still little known how these microbial-derived enzymes act in the human body. Enzyme secretion may be affected by variations in temperature, pH, and other extreme conditions faced by the bacterial cells in the human body. Besides, lactobacilli administration cannot itself be considered the only factor interfering with enzyme secretion, human diet (microbial substrate) being determinant in their metabolism. This review highlights the potential of lactobacilli to release functional enzymes associated with the digestive process and how this complex metabolism can be explored to contribute to the human diet. Enzymatic activity of lactobacilli is exerted in a strain-dependent manner, i.e., within the same lactobacilli species, there are different enzyme contents, leading to a large variety of enzymatic activities. Thus, we report current methods to select the most promising lactobacilli strains as sources of bioactive enzymes. Finally, a patent landscape and commercial products are described to provide the state of art of the transfer of knowledge from the scientific sphere to the industrial application.
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Kim IS, Kim CH, Yang WS. Physiologically Active Molecules and Functional Properties of Soybeans in Human Health-A Current Perspective. Int J Mol Sci 2021; 22:4054. [PMID: 33920015 PMCID: PMC8071044 DOI: 10.3390/ijms22084054] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Revised: 04/10/2021] [Accepted: 04/12/2021] [Indexed: 12/15/2022] Open
Abstract
In addition to providing nutrients, food can help prevent and treat certain diseases. In particular, research on soy products has increased dramatically following their emergence as functional foods capable of improving blood circulation and intestinal regulation. In addition to their nutritional value, soybeans contain specific phytochemical substances that promote health and are a source of dietary fiber, phospholipids, isoflavones (e.g., genistein and daidzein), phenolic acids, saponins, and phytic acid, while serving as a trypsin inhibitor. These individual substances have demonstrated effectiveness in preventing chronic diseases, such as arteriosclerosis, cardiac diseases, diabetes, and senile dementia, as well as in treating cancer and suppressing osteoporosis. Furthermore, soybean can affect fibrinolytic activity, control blood pressure, and improve lipid metabolism, while eliciting antimutagenic, anticarcinogenic, and antibacterial effects. In this review, rather than to improve on the established studies on the reported nutritional qualities of soybeans, we intend to examine the physiological activities of soybeans that have recently been studied and confirm their potential as a high-functional, well-being food.
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Affiliation(s)
- Il-Sup Kim
- Advanced Bio-resource Research Center, Kyungpook National University, Daegu 41566, Korea;
| | - Cheorl-Ho Kim
- Molecular and Cellular Glycobiology Unit, Department of Biological Sciences, SungKyunKwan University, Gyunggi-Do 16419, Korea
- Samsung Advanced Institute of Health Science and Technology, Gyunggi-Do 16419, Korea
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