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Ray R, Singh SS, Yadav SR, Sircar D. A nondestructive asymptomatic early disease prediction method employing ROS-induced differential volatile emissions from dry rot-infected potatoes. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2024; 208:108532. [PMID: 38503189 DOI: 10.1016/j.plaphy.2024.108532] [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: 09/30/2023] [Revised: 03/05/2024] [Accepted: 03/12/2024] [Indexed: 03/21/2024]
Abstract
Potatoes are a staple crop with many health benefits. Postharvest storage of potatoes takes a considerable amount of time. Potato dry rot is one of the most serious postharvest storage diseases, caused primarily by the fungus Fusarium sambucinum. It is possible to minimize losses if disease is detected early, which allows it to be controlled promptly. A phytopathogen infection can alter the volatile profile of plants. Identifying unique volatile organic compounds (VOCs) as biomarkers for early disease detection is an area of considerable research interest. In this study, we compared the VOC profiles of healthy and dry rot inoculated potatoes (cv. "Kufri Pukhraj") over a time course using gas chromatography-mass spectrometry (GC-MS). There were 29 differentially emitting VOCs between healthy and dry rot inoculated potatoes. Nevertheless, only four of these compounds (linalool tetrahydride, γ-muurolene, alloaromadendrene, and α-isomethyl ionone) were exclusively found in dry rot inoculated potatoes, and hence they were considered biomarkers. Furthermore, reactive oxygen species (ROS) levels were altered in potatoes that were inoculated with dry rot, suggesting a role for ROS signaling in differential VOC emissions. In the early stages of dry rot infection, when symptoms were barely visible, these four biomarker VOCs were robustly useful in distinguishing healthy and dry rot-infected potatoes. These novel biomarkers associated with this disease are promising candidates for non-destructive detection of dry rot in stored potatoes at an early asymptomatic stage. These biomarkers can be used to develop an e-nose sensor to predict dry rot in the future.
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Affiliation(s)
- Rittika Ray
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India
| | - Shiv Shakti Singh
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India
| | - Shri Ram Yadav
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India
| | - Debabrata Sircar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Roorkee, Roorkee, 247667, India.
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2
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Drabińska N, Marcinkowska MA, Wieczorek MN, Jeleń HH. Application of Sorbent-Based Extraction Techniques in Food Analysis. Molecules 2023; 28:7985. [PMID: 38138475 PMCID: PMC10745519 DOI: 10.3390/molecules28247985] [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: 10/23/2023] [Revised: 12/03/2023] [Accepted: 12/04/2023] [Indexed: 12/24/2023] Open
Abstract
This review presents an outline of the application of the most popular sorbent-based methods in food analysis. Solid-phase extraction (SPE) is discussed based on the analyses of lipids, mycotoxins, pesticide residues, processing contaminants and flavor compounds, whereas solid-phase microextraction (SPME) is discussed having volatile and flavor compounds but also processing contaminants in mind. Apart from these two most popular methods, other techniques, such as stir bar sorptive extraction (SBSE), molecularly imprinted polymers (MIPs), high-capacity sorbent extraction (HCSE), and needle-trap devices (NTD), are outlined. Additionally, novel forms of sorbent-based extraction methods such as thin-film solid-phase microextraction (TF-SPME) are presented. The utility and challenges related to these techniques are discussed in this review. Finally, the directions and need for future studies are addressed.
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Affiliation(s)
| | | | | | - Henryk H. Jeleń
- Faculty of Food Science and Nutrition, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznan, Poland; (N.D.); (M.A.M.); (M.N.W.)
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3
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Palumbo L, Fiorito S, Epifano F, Sharifi-Rad M, Genovese S, Collevecchio C. Solid-phase adsorption methodologies of naturally occurring anthraquinones: A review. PHYTOCHEMICAL ANALYSIS : PCA 2023; 34:153-162. [PMID: 36606362 DOI: 10.1002/pca.3203] [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: 11/23/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
INTRODUCTION Solid-phase extraction applied to plant matrices is nowadays a well-validated technique allowing to concentrate and purify different secondary metabolites. Several classes of phytochemicals have been selectively extracted by this methodology. During the last decade attention has been focused on biologically active anthraquinones from numerous sources like edible, healthy, and medicinal plants. OBJECTIVES The aim of this review is to provide a detailed literature survey of the solid-phase adsorption methodologies for the extraction of natural anthraquinones reported so far and to discuss and propose future directions in this field of research. MATERIALS AND METHODS Substructure search was performed in the SciFinder Scholar, PubMed, Medline, and Scopus databases. RESULTS The first report about application of solid-phase adsorption for the purification of anthraquinones appeared in the literature in 2002. From this date, and in particular during recent years, the most notable examples included the use of chitin- and chitosan-based polymers, of molecularly imprinted polymers, of coated magnetic nanoparticles, of miniaturized matrix solid-phase dispersion, of functionalized resins, of differently structured lamellar solids, and finally of vortex-synchronized matrix solid-phase dispersion. CONCLUSIONS The herein detailed solid-phase adsorption methodologies are powerful tools to selectively extract natural anthraquinones and/or provide anthraquinone-enriched phytopreparations. Nevertheless, many other important methods have been applied to synthetic anthraquinones (e.g., azo dyes). These could be conveniently employed also for natural anthranoids. Studies in this field are discussed in this review article.
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Affiliation(s)
- Lucia Palumbo
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti Scalo, CH, Italy
| | - Serena Fiorito
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti Scalo, CH, Italy
| | - Francesco Epifano
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti Scalo, CH, Italy
| | - Majid Sharifi-Rad
- Department of Range and Watershed Management, Faculty of Water and Soil, University of Zabol, Zabol, Iran
| | - Salvatore Genovese
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti Scalo, CH, Italy
| | - Chiara Collevecchio
- Department of Pharmacy, University "G. d'Annunzio" of Chieti-Pescara, Chieti Scalo, CH, Italy
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Waris M, Koçak E, Gonulalan EM, Demirezer LO, Kır S, Nemutlu E. Metabolomics analysis insight into medicinal plant science. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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5
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Bahmani K, Robinson A, Majumder S, LaVardera A, Dowell JA, Goolsby EW, Mason CM. Broad diversity in monoterpene-sesquiterpene balance across wild sunflowers: Implications of leaf and floral volatiles for biotic interactions. AMERICAN JOURNAL OF BOTANY 2022; 109:2051-2067. [PMID: 36317693 DOI: 10.1002/ajb2.16093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 10/12/2022] [Indexed: 06/16/2023]
Abstract
PREMISE As plant lineages diversify across environmental gradients, species are predicted to encounter divergent biotic pressures. This study investigated the evolution of volatile secondary metabolism across species of Helianthus. METHODS Leaves and petals of 40 species of wild Helianthus were analyzed via gas chromatography-mass spectrometry to determine volatile secondary metabolite profiles. RESULTS Across all species, 500 compounds were identified; 40% were sesquiterpenes, 18% monoterpenes, 3% diterpenes, 4% fatty acid derivatives, and 35% other compounds such as phenolics and small organic molecules. Qualitatively, annuals and species from more arid western climates had leaf compositions with a higher proportion of total monoterpenes, while erect perennials and species from more mesic eastern habitats contained a higher proportion of total sesquiterpenes. Among species, mass-based leaf monoterpene and sesquiterpene abundance were identified as largely orthogonal axes of variation by principal component analysis. Profiles for leaves were not strongly correlated with those of petals. CONCLUSIONS Volatile metabolites were highly diverse among wild Helianthus, indicating the value of this genus as a model system and rich genetic resource. The independence of leaf and petal volatile profiles indicates a low level of phenotypic integration between vegetative and reproductive structures, implying vegetative defense and reproductive defense or pollinator attraction functions mediated by terpene profiles in these two organs can evolve without major trade-offs. The major biosynthetic pathways for the major terpenes in wild Helianthus are already well described, providing a road map to deeper inquiry into the drivers of this diversity.
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Affiliation(s)
- Keivan Bahmani
- Department of Biology, University of Central Florida, Orlando, FL, USA
| | | | - Sambadi Majumder
- Department of Biology, University of Central Florida, Orlando, FL, USA
| | | | - Jordan A Dowell
- Department of Plant Sciences, University of California, Davis, Davis, CA, USA
| | - Eric W Goolsby
- Department of Biology, University of Central Florida, Orlando, FL, USA
| | - Chase M Mason
- Department of Biology, University of Central Florida, Orlando, FL, USA
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Akhdhar A, Yakout AA. Enhanced simultaneous sequestration of Cd(II) and Pb(II) ions from industrial wastewater samples based on poly-(2-aminothiophenol) functionalized graphene oxide. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2022.2122495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Abdullah Akhdhar
- Department of Chemistry, College of Science, University of Jeddah, Saudi Arabia
| | - Amr A. Yakout
- Department of Chemistry, College of Science, University of Jeddah, Saudi Arabia
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria, Egypt
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Liu S, Sang Z, Qin L, Gong W, Zhao L, Zhang Q, Zhao Q. Application progress of immobilized biomembrane in the discovery of active compounds of natural products. Biomed Chromatogr 2022; 36:e5447. [PMID: 35833910 DOI: 10.1002/bmc.5447] [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: 02/19/2022] [Revised: 07/05/2022] [Accepted: 07/06/2022] [Indexed: 11/08/2022]
Abstract
Natural products (NPs) are an important source of bioactive compounds. Considering their complex matrix effects, the development of suitable methodologies for the fast identification and analysis of active substances from NPs played a significant role in controlling their quality and discovering new drugs. In recent years, the technology of immobilized biomembrane has attracted increasing attention, due to its peculiarities such as multi-target efficiency, accuracy and/or time-saving compared with traditional activity-guided separation and ligand fishing methods. This article first provides a systematic review of the latest advances in screening technologies based on biomembrane in the field of NPs. It includes detailed discussions of these technologies, including cell membrane chromatography, artificial membrane chromatography, cell membrane fishing, living cell fishing methods, and their applications in screening various active molecules from NPs. Their limitations and future development prospects were further discussed.
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Affiliation(s)
- Sha Liu
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhenqi Sang
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Lupin Qin
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Wan Gong
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Luying Zhao
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiaoyan Zhang
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
| | - Qiming Zhao
- College of Pharmaceutical Sciences, Fuchun Campus, Zhejiang Chinese Medical University, Hangzhou, China
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8
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Monisha S, Mary Saral A, Senthil Kumar A. Electrochemical investigation of a tulsi-holy basil-crude plant extract on graphitized mesoporous carbon nanomaterial surface: Selective electrocatalytic activity of surface-confined rosmarinic acid for phenyl hydrazine-pollutant oxidation reaction. J Electroanal Chem (Lausanne) 2021. [DOI: 10.1016/j.jelechem.2021.115757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Volatile Organic Compounds of the Glandular Trichomes of Ocimum basilicum and Artifacts during the Distillation of the Leaves. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11167312] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Focusing on volatile organic compounds (VOC) of Ocimum basilicum, this study aims to determine the chemical composition of VOC in secretory trichomes and compare it with that of essential oil obtained by hydrodistillation of leaves. The technique of extracting the content of glandular trichomes refers to the microneedle shuttle analysis. Hydrodistillation of fresh leaves was done with a Clevenger distiller (EO). The chemical compositions were determined by GC/FID and GC/MS. The head of the capitate trichomes does not contain volatile compounds. Fifty volatile compounds were detected in the EO, and twenty-four volatile compounds were detected in the VOC; the main components were eugenol (from 15.47 ± 1.05% to 41.89 ± 2.83%) and linalool (from 32.05 ± 2.57% to 28.99 ± 2.32%), respectively. During the distillation of the basil leaves 26 artifacts are formed. The composition of the essential oil of O. basilicum therefore depends not only on the plant but also on the method used to obtain it.
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Hajmohammadi MR, Najafi AsliPashaki S, Rajab Dizavandi Z, Amiri A. Ultrasound-assisted vesicle-based microextraction as a novel method for determination of phenolic acid compounds in Nepeta cataria L. samples. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-020-02131-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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Wang HY, Zhang W, Dong JH, Wu H, Wang YH, Xiao HX. Optimization of SPME-GC-MS and characterization of floral scents from Aquilegia japonica and A. amurensis flowers. BMC Chem 2021; 15:26. [PMID: 33888127 PMCID: PMC8063332 DOI: 10.1186/s13065-021-00754-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 04/13/2021] [Indexed: 11/10/2022] Open
Abstract
Background The floral scents of plants play a key role in plant reproduction through the communication between plants and pollinators. Aquilegia as a model species for studying evolution, however, there have been few studies on the floral scents and relationships between floral scents and pollination for Aquilegia taxa. Methods In this study, three types of solid-phase micro-extraction (SPME) fiber coatings (DVB/PDMS, CAR/PDMS, DVB/CAR/PDMS) were evaluated for their performance in extracting volatile organic compounds (VOCs) from flowers of Aquilegia amurensis, which can contribute to the future studies of elucidating the role of floral scents in the pollination process. Results In total, 55 VOCs were identified, and among them, 50, 47 and 45 VOCs were extracted by the DVB/CAR/PDMS fiber, CAR/PDMS fiber and DVB/PDMS fibers, respectively. Only 30 VOCs were detected in A. japonica taxa. Furthermore, the relative contents of 8 VOCs were significant different (VIP > 1 and p < 0.05) between the A. amurensis and A. japonica. Conclusions The results can be applied in new studies of the relationships between the chemical composition of floral scents and the processes of attraction of pollinator. It may provide new ideas for rapid evolution and frequent interspecific hybridization of Aquilegia. Supplementary Information The online version contains supplementary material available at 10.1186/s13065-021-00754-1.
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Affiliation(s)
- Hua-Ying Wang
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Wei Zhang
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Jian-Hua Dong
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Hao Wu
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, 130024, China
| | - Yuan-Hong Wang
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Hong-Xing Xiao
- Key Laboratory of Molecular Epigenetics of Ministry of Education, Northeast Normal University, Changchun, 130024, China.
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12
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Mo Z, Pang Y, Yu L, Shen X. Membrane-protected covalent organic framework fiber for direct immersion solid-phase microextraction of 17beta-estradiol in milk. Food Chem 2021; 359:129816. [PMID: 33934028 DOI: 10.1016/j.foodchem.2021.129816] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2021] [Revised: 03/30/2021] [Accepted: 03/30/2021] [Indexed: 01/12/2023]
Abstract
17beta-estradiol (E2) could accumulate in human body through milk and cause various diseases by interfering with the endocrine system. Herein, we coated stainless steel wire with covalent organic framework LZU1 (COF-LZU1) and Nafion protected by dialysis membrane for direct immersion solid phase microextraction (DI-SPME) and coupled with gas chromatography-flame ionization detection (GC-FID) for the detection of trace E2 in milk samples. With dialysis membrane protection, the stability of SPME fiber was improved and the extraction efficiency was only reduced by 7% after repeated use of 160 times. The extraction efficiency of E2 with the home-made fiber COF-LZU1 was 22.1, 8.4, 3.6 times higher than that of bare stainless steel wire, PDMS/DVB and PDMS, respectively. The method had been successfully applied to milk samples, and the relative recoveries were between 77.27% and 108.26%. It can provide an effective and general method for the pretreatment of complex matrix samples.
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Affiliation(s)
- Zhenglian Mo
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Yuehong Pang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Lihong Yu
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China
| | - Xiaofang Shen
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Institute of Analytical Food Safety, School of Food Science and Technology, Jiangnan University, Wuxi, 214122, China.
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Tholl D, Hossain O, Weinhold A, Röse USR, Wei Q. Trends and applications in plant volatile sampling and analysis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 106:314-325. [PMID: 33506558 DOI: 10.1111/tpj.15176] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/09/2021] [Accepted: 01/14/2021] [Indexed: 05/12/2023]
Abstract
Volatile organic compounds (VOCs) released by plants serve as information and defense chemicals in mutualistic and antagonistic interactions and mitigate effects of abiotic stress. Passive and dynamic sampling techniques combined with gas chromatography-mass spectrometry analysis have become routine tools to measure emissions of VOCs and determine their various functions. More recently, knowledge of the roles of plant VOCs in the aboveground environment has led to the exploration of similar functions in the soil and rhizosphere. Moreover, VOC patterns have been recognized as sensitive and time-dependent markers of biotic and abiotic stress. This focused review addresses these developments by presenting recent progress in VOC sampling and analysis. We show advances in the use of small, inexpensive sampling devices and describe methods to monitor plant VOC emissions in the belowground environment. We further address latest trends in real-time measurements of volatilomes in plant phenotyping and most recent developments of small portable devices and VOC sensors for non-invasive VOC fingerprinting of plant disease. These technologies allow for innovative approaches to study plant VOC biology and application in agriculture.
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Affiliation(s)
- Dorothea Tholl
- Department of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Oindrila Hossain
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
- Emerging Plant Disease and Global Food Security Cluster, Norther Carolina State University, Raleigh, NC, 27695, USA
| | - Alexander Weinhold
- Molecular Interaction Ecology, Institute of Biodiversity, Friedrich Schiller University Jena, Jena, 07745, Germany
- Molecular Interaction Ecology, German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, 04103, Germany
| | - Ursula S R Röse
- School of Biological Sciences, University of New England, Biddeford, ME, 04005, USA
| | - Qingshan Wei
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
- Emerging Plant Disease and Global Food Security Cluster, Norther Carolina State University, Raleigh, NC, 27695, USA
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Lee YG, Choi WS, Yang SO, Hwang-Bo J, Kim HG, Fang M, Yi TH, Kang SC, Lee YH, Baek NI. Volatile Profiles of Five Variants of Abeliophyllum distichum Flowers Using Headspace Solid-Phase Microextraction Gas Chromatography-Mass Spectrometry (HS-SPME-GC-MS) Analysis. PLANTS 2021; 10:plants10020224. [PMID: 33498954 PMCID: PMC7912044 DOI: 10.3390/plants10020224] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 01/19/2021] [Accepted: 01/22/2021] [Indexed: 11/23/2022]
Abstract
Abeliophyllum distichum (Oleaceae), which is the only species in the monotypic genus and is grown only on the Korean peninsula, has a high scarcity value. Its five variants (white, pink, round, blue, and ivory) have different morphological characteristics in terms of the color of petals and sepals or shape of the fruits. Despite its high value, there has been no study on variant classification except in terms of their morphological characteristics. Thus, we performed a volatile component analysis of A. distichum flowers and multivariate data analyses to reveal the relationship between fragments emitted from five variants of A. distichum flowers with their morphological characteristics. As a result, 66 volatile components of this plant were identified by headspace solid-phase microextraction gas chromatography–mass spectrometry (HS-SPME-GC-MS), showing unique patterns for each set of morphological characteristics, especially the color of the petals. These results suggest that morphological characteristics of each variant are related to the volatile composition.
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Affiliation(s)
- Yeong-Geun Lee
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Won-Sil Choi
- National Instrumentation Center for Environmental Management, Seoul National University, Seoul 08826, Korea; (W.-S.C.); (S.-O.Y.)
| | - Seung-Ok Yang
- National Instrumentation Center for Environmental Management, Seoul National University, Seoul 08826, Korea; (W.-S.C.); (S.-O.Y.)
| | - Jeon Hwang-Bo
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Hyoun-Geun Kim
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Minzhe Fang
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Tae-Hoo Yi
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Se Chan Kang
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
| | - Youn-Hyung Lee
- Department of Horticultural Biotechnology, Kyung Hee University, Yongin 17104, Korea;
| | - Nam-In Baek
- Department of Oriental Medicine Biotechnology, Graduate School of Biotechnology, Kyung Hee University, Yongin 17104, Korea; (Y.-G.L.); (J.H.-B.); (H.-G.K.); (M.F.); (T.-H.Y.); (S.C.K.)
- Correspondence: ; Tel.: +82-31-201-2661
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Baky M, Farag MA, Rasheed DM. Metabolome-Based Analysis of Herbal Cough Preparations Via Headspace Solid-Phase Microextraction GC/MS and Multivariate Data Analyses: A Prospect for Its Essential Oil Equivalency. ACS OMEGA 2020; 5:31370-31380. [PMID: 33324848 PMCID: PMC7726927 DOI: 10.1021/acsomega.0c04923] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 11/03/2020] [Indexed: 06/12/2023]
Abstract
Liquid cough preparations containing essential oils pose a challenge for isolating and quantifying their volatile components from such a complex matrix enriched with nonvolatile constituents and excipients. This study aims to develop a strategy integrating QC analysis of seven natural cough preparations in the Egyptian market and to assess volatile variation among the preparations using multivariate data analyses. Cough preparations were subjected to headspace solid-phase microextraction (HS-SPME) for determination of their essential oil composition mediating for their actions and to assess volatile differences among them. HS-SPME is a suitable technique for sample preparation that allows for extraction and enrichment of volatiles from complex nonvolatile matrices and their direct desorption into the gas chromatography analytical system. A total of 88 volatile components were identified belonging to seven classes, viz. aromatics, aliphatic hydrocarbons, mono/sesquiterpene hydrocarbons, and oxygenated mono/sesquiterpenes. Oxygenated monoterpenes, viz., menthol, cineole, thymol, and (E)-anethole, were the major volatiles identified in five cough preparations (79.5-98.6%), whereas aromatics, chiefly cinnamate derivatives, constituted the second class amounting for 50.5 and 27.4% in the other two cough preparations. Meaningful results regarding the products' efficacy and safety were extrapolated from this analytical procedure, where artificial preservatives (parabens) were detected in five cough preparations. This study established an efficient strategy for exploring volatile profiling and defining different markers among the different cough preparations. Additionally, authenticity of listed herbal ingredients in the cough preparations was also confirmed in certain preparations, while other formulations failed to show representative volatile components. Volatile variation among preparations was assessed using multivariate data analyses in an attempt to prioritize cough preparations for usage, suggesting the preference of Bronchicum and Babetone among examined cough products.
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Affiliation(s)
- Mostafa
H. Baky
- Pharmacognosy
Department, Faculty of Pharmacy, Egyptian
Russian University, Cairo 11829, Egypt
| | - Mohamed A. Farag
- Pharmacognosy
Department, College of Pharmacy, Cairo University, Cairo 11562, Egypt
| | - Dalia M. Rasheed
- Pharmacognosy
Department, Faculty of Pharmacy, October
6 University, 6th of
October City 12585, Egypt
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16
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Peng LQ, Cao J. Modern microextraction techniques for natural products. Electrophoresis 2020; 42:219-232. [PMID: 33215711 DOI: 10.1002/elps.202000248] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/16/2020] [Accepted: 11/03/2020] [Indexed: 11/11/2022]
Abstract
Natural product analysis has gained wide attention in recent years, especially for herbal medicines, which contain complex ingredients and play a significant clinical role in the therapy of numerous diseases. The constituents of natural products are usually found at low concentrations, and the matrices are complex. Thus, the extraction of target compounds from natural products before analysis by analytical instruments is very significant for human health and its wide application. The commonly used traditional extraction methods are time-consuming, using large amounts of sample and organic solvents, as well as expensive and inefficient. Recently, microextraction techniques have been used for natural product extraction to overcome the disadvantages of conventional extraction methods. In this paper, the successful applications of and recent developments in microextraction techniques including solvent-based and sorbent-based microextraction methods, in natural product analysis in recent years, especially in the last 5 years, are reviewed for the first time. Their features, advantages, disadvantages, and future development trends are also discussed.
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Affiliation(s)
- Li-Qing Peng
- College of Pharmaceutical Sciences, Hangzhou Normal University, Hangzhou, 311121, P. R. China
| | - Jun Cao
- College of Pharmaceutical Sciences, Hangzhou Normal University, Hangzhou, 311121, P. R. China.,College of Material Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou, 311121, P. R. China
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17
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Cagliero C, Mastellone G, Marengo A, Bicchi C, Sgorbini B, Rubiolo P. Analytical strategies for in-vivo evaluation of plant volatile emissions - A review. Anal Chim Acta 2020; 1147:240-258. [PMID: 33485582 DOI: 10.1016/j.aca.2020.11.029] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 11/20/2020] [Accepted: 11/22/2020] [Indexed: 12/14/2022]
Abstract
Biogenic volatile organic compounds (BVOCs) are metabolites emitted by living plants that have a fundamental ecological role since they influence atmospheric chemistry, plant communication and pollinator/herbivore behaviour, and human activities. Over the years, several strategies have been developed to isolate and identify them, and to take advantage of their activity. The main techniques used for in-vivo analyses include dynamic headspace (D-HS), static headspace (S-HS) and, more recently, direct contact (DC) methods in association with gas chromatography (GC) and mass spectrometry (MS). The aim of this review is to provide insight into the in-vivo characterisation of plant volatile emissions with a focus on sampling, analysis and possible applications. This review first provides a critical discussion of the challenges associated with conventional approaches and their limitations and advantages. Then, it describes a series of applications of in-vivo volatilomic studies to enhance how the information they provide impact on our knowledge of plant behaviour, including the effects of abiotic (damage, flooding, climate) and biotic (insect feeding) stress factors in relation to the plants.
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Affiliation(s)
- Cecilia Cagliero
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy.
| | - Giulia Mastellone
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy
| | - Arianna Marengo
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy
| | - Carlo Bicchi
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy
| | - Barbara Sgorbini
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy
| | - Patrizia Rubiolo
- Dipartimento di Scienza e Tecnologia Del Farmaco, Università Degli Studi di Torino, I, 10125, Turin, Italy
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18
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Kamgang Nzekoue F, Angeloni S, Caprioli G, Cortese M, Maggi F, Marconi UMB, Perali A, Ricciutelli M, Sagratini G, Vittori S. Fiber-Sample Distance, An Important Parameter To Be Considered in Headspace Solid-Phase Microextraction Applications. Anal Chem 2020; 92:7478-7484. [PMID: 32380828 PMCID: PMC8007069 DOI: 10.1021/acs.analchem.9b05386] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
![]()
To
define and control the parameters which impact headspace solid-phase
microextraction (HS-SPME), it is important to reach the highest level
of reproducibility. The present study aims to assess, for the first
time, the effect of fiber–sample distance during HS-SPME in
pre-equilibrium conditions. Analyses were primarily performed on mixtures
of standard volatiles compounds (alkanes, alcohols, organic acids)
designed in our lab and then on various food matrices (wine, chicken,
cheese, tea), repeating already published experiments. Extractions
were performed varying fiber penetration depths (10–60 mm)
at different times (10–60 min) and temperatures of extraction
(30–80 °C). The study revealed that variation of the
distance between the fiber and the sample into the vial clearly impacts
the results obtained during HS-SPME when conditions are such that
no equilibrium is reached in HS. For example, in wine analysis, the
percentage of octanoic acid at 80 °C was higher at 40 mm (7.5
± 0.2%) than that at 20 mm (4.4 ± 0.3%). Moreover, regardless
of the extraction temperature, the lower the time of extraction, the
stronger the dependence on the fiber–sample distance. Indeed,
at 60 °C, the obtained response factors for octadecane at 20
and 40 mm of fiber penetration were 21.8 and 44.5, respectively, after
10 min of extraction, 54.1 and 71.0 after 30 min, and 79.4 and 82.4
after 60 min of extraction. The analyses have been here corroborated
by a theoretical model based on the diffusion equation. Therefore,
to improve the method robustness during HS-SPME studies, we suggest
specifying the fiber penetration depth or the fiber–sample
distance with the other parameters of extraction.
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19
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Jalili V, Barkhordari A, Ghiasvand A. Bioanalytical Applications of Microextraction Techniques: A Review of Reviews. Chromatographia 2020. [DOI: 10.1007/s10337-020-03884-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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20
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Portable stir membrane device for on-site environmental sampling and extraction. J Chromatogr A 2019; 1606:360359. [DOI: 10.1016/j.chroma.2019.07.013] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/05/2019] [Accepted: 07/06/2019] [Indexed: 01/12/2023]
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21
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Hou X, Tang S, Wang J. Recent advances and applications of graphene-based extraction materials in food safety. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.07.014] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Barbosa-Cornelio R, Cantor F, Coy-Barrera E, Rodríguez D. Tools in the Investigation of Volatile Semiochemicals on Insects: From Sampling to Statistical Analysis. INSECTS 2019; 10:insects10080241. [PMID: 31390759 PMCID: PMC6723273 DOI: 10.3390/insects10080241] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/28/2019] [Accepted: 08/02/2019] [Indexed: 12/16/2022]
Abstract
The recognition of volatile organic compounds (VOCs) involved in insect interactions with plants or other organisms is essential for constructing a holistic comprehension of their role in ecology, from which the implementation of new strategies for pest and disease vector control as well as the systematic exploitation of pollinators and natural enemies can be developed. In the present paper, some of the general methods employed in this field are examined, focusing on their available technologies. An important part of the investigations conducted in this context begin with VOC collection directly from host organisms, using classical extraction methods, by the employment of adsorption materials used in solid-phase micro extraction (SPME) and direct-contact sorptive extraction (DCSE) and, subsequently, analysis through instrumental analysis techniques such as gas chromatography (GC), nuclear magnetic resonance (NMR) and mass spectrometry (MS), which provide crucial information for determining the chemical identity of volatile metabolites. Behavioral experiments, electroantennography (EAG), and biosensors are then carried out to define the semiochemicals with the best potential for performing relevant functions in ecological relationships. Chemical synthesis of biologically-active VOCs is alternatively performed to scale up the amount to be used in different purposes such as laboratory or field evaluations. Finally, the application of statistical analysis provides tools for drawing conclusions about the type of correlations existing between the diverse experimental variables and data matrices, thus generating models that simplify the interpretation of the biological roles of VOCs.
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Affiliation(s)
- Ricardo Barbosa-Cornelio
- Biological Control Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia
- Bioorganic Chemistry Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia
| | - Fernando Cantor
- Biological Control Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia
| | - Ericsson Coy-Barrera
- Bioorganic Chemistry Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia.
| | - Daniel Rodríguez
- Biological Control Laboratory, Facultad de Ciencias Básicas y Aplicadas, Universidad Militar Nueva Granada, Cajicá 250247, Colombia.
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23
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Yang KM, Chiang PY. Effects of smoking process on the aroma characteristics and sensory qualities of dried longan. Food Chem 2019; 287:133-138. [PMID: 30857682 DOI: 10.1016/j.foodchem.2019.02.017] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 02/03/2019] [Accepted: 02/05/2019] [Indexed: 01/17/2023]
Abstract
In this study, the effects on the sensory quality and flavor profile of dried longan resulting from smoking it for 104 h were investigated. The results showed that, in terms of the quality of the dried longan. The smoking time influenced the fruit's water activity (0.70-0.92), soluble solids (30-60 。Brix), pH (6.13-6.71), and tendency to change from yellow to brown hues (ΔE: 3.13-12.83). We detected 42 volatile compound variations during smoking, of which 3-methyl-1-butanol, 3,7-dimethyl-1,3,6-octatriene, hydroxy butanone, and 1-octen-3-ol perceived aroma for longan. Aroma characteristics were evaluated smoky effect by agglomerative hierarchical cluster and principal component analysis. Forasmuch phenolic derivatives (smoky flavor) form lignin degradation correlated for the time, and organic compounds via oxidation (or hydrolyzation). We found get the smoky flavor and intermediate moisture of longan in smoked 72 h, which extended sensory and preservation that is beneficial to longan producers.
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Affiliation(s)
- Kai-Min Yang
- Department of Hospitality Management, Mingdao Unicersity, 369, Wen-Hua Rd, ChangHua 52345, Taiwan
| | - Po-Yuan Chiang
- Department of Food Science and Biotechnology, National Chung Hsing University, 250 Kuokuang Road, Taichung 40227, Taiwan.
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24
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Volatiles Profile of the Floral Organs of a New Hybrid Cymbidium, 'Sunny Bell' Using Headspace Solid-Phase Microextraction Gas Chromatography-Mass Spectrometry Analysis. PLANTS 2019; 8:plants8080251. [PMID: 31357642 PMCID: PMC6724120 DOI: 10.3390/plants8080251] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 07/17/2019] [Accepted: 07/23/2019] [Indexed: 01/15/2023]
Abstract
Cymbidium is one of the most important genera of flowering plants in the Orchidaceae family, and comprises a wide variety of beautiful and colorful species. Among these, only a few species possess floral scents and flavors. In order to increase the availability of a new Cymbidum hybrid, “Sunny Bell”, this study investigated the volatile floral scents. Volatiles of the floral organs of the new Cymbidium hybrid, “Sunny Bell”, at the full-flowering stage were characterized with headspace solid-phase microextraction gas chromatography-mass spectrometry (HS-SPME-GC-MS) analysis. A divinylbenzene-carboxen-polydimethylsiloxane (DVB-CAR-PDMS) fiber gave the best extraction for volatile components. Twenty-three components were identified as the main volatiles for the floral organs of the new Cymbidium hybrid, “Sunny Bell” at the full-flowering stage; twelve compounds in the column, sixteen compounds in the labellum, eleven compounds in the sepals, and nine compounds in the petals were identified. Terpenes are the major source of floral scents in this plant. As a result of GC-MS analysis, the most abundant compound was linalool (69–80%) followed by α-pinene (3–27%), 4,8-dimethyl-1,3,7-nonatriene (5–18%), eucalyptol (6–16%), and 2,6-dimethylnonane (2–16%). The main components were identified as monoterpenes in the petals and sepals, and as monoterpenes and aliphatics in the column and labellum. The results of this study provide a basis for breeding Cymbidium cultivars which exhibit desirable floral scents.
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25
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Fung AG, Yamaguchi MS, McCartney MM, Aksenov AA, Pasamontes A, Davis CE. SPME-based mobile field device for active sampling of volatiles. Microchem J 2019; 146:407-413. [PMID: 31749504 PMCID: PMC6867132 DOI: 10.1016/j.microc.2019.01.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Monitoring plant volatile organic compound (VOC) profiles can reveal information regarding the health state of the plant, such as whether it is nutrient stressed or diseased. Typically, plant VOC sampling uses sampling enclosures. Enclosures require time and equipment which are not easily adapted to high throughput sampling in field environments. We have developed a new, easily assembled active sampling device using solid phase microextraction (SPME) that uses a commercial off the shelf (COTS) hand vacuum base to provide rapid and easy mobile plant VOC collection. Calibration curves for three representative plant VOCs (α-pinene, limonene, and ocimene) were developed to verify device functionality and enable the quantification of field-samples from a Meyer lemon tree. We saw that the active sampling allowed us to measure and quantify this chemical in an orchard setting. This device has the potential to be used for VOC sampling as a preliminary diagnostic in precision agriculture applications due to its ease of manufacturing, availability, and low cost of the COTS hand vacuum module.
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Affiliation(s)
- Alexander G. Fung
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
| | - Mei S. Yamaguchi
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
| | - Mitchell M. McCartney
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
| | - Alexander A. Aksenov
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
| | - Alberto Pasamontes
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
| | - Cristina E. Davis
- Department of Mechanical and Aerospace Engineering; University of California, Davis; One Shields Avenue; Davis, CA 95616; U.S.A
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26
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Fabrication of N,N-dimethyldodecylamine functionalized magnetic adsorbent for efficient enrichment of flavonoids. Talanta 2019; 194:771-777. [DOI: 10.1016/j.talanta.2018.10.061] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 10/11/2018] [Accepted: 10/17/2018] [Indexed: 12/16/2022]
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27
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Rice S, Maurer DL, Fennell A, Dharmadhikari M, Koziel JA. Evaluation of Volatile Metabolites Emitted In-Vivo from Cold-Hardy Grapes during Ripening Using SPME and GC-MS: A Proof-of-Concept. Molecules 2019; 24:E536. [PMID: 30717185 PMCID: PMC6384761 DOI: 10.3390/molecules24030536] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 01/25/2019] [Accepted: 01/30/2019] [Indexed: 02/01/2023] Open
Abstract
In this research, we propose a novel concept for a non-destructive evaluation of volatiles emitted from ripening grapes using solid-phase microextraction (SPME). This concept is novel to both the traditional vinifera grapes and the cold-hardy cultivars. Our sample models are cold-hardy varieties in the upper Midwest for which many of the basic multiyear grape flavor and wine style data is needed. Non-destructive sampling included a use of polyvinyl fluoride (PVF) chambers temporarily enclosing and concentrating volatiles emitted by a whole cluster of grapes on a vine and a modified 2 mL glass vial for a vacuum-assisted sampling of volatiles from a single grape berry. We used SPME for either sampling in the field or headspace of crushed grapes in the lab and followed with analyses on gas chromatography-mass spectrometry (GC-MS). We have shown that it is feasible to detect volatile organic compounds (VOCs) emitted in-vivo from single grape berries (39 compounds) and whole clusters (44 compounds). Over 110 VOCs were released to headspace from crushed berries. Spatial (vineyard location) and temporal variations in VOC profiles were observed for all four cultivars. However, these changes were not consistent by growing season, by location, within cultivars, or by ripening stage when analyzed by multivariate analyses such as principal component analysis (PCA) and hierarchical cluster analyses (HCA). Research into aroma compounds present in cold-hardy cultivars is essential to the continued growth of the wine industry in cold climates and diversification of agriculture in the upper Midwestern area of the U.S.
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Affiliation(s)
- Somchai Rice
- Midwest Grape and Wine Industry Institute, Iowa State University, Ames, IA 50011, USA.
- Interdepartmental Toxicology Graduate Program, Iowa State University, Ames, IA 50011, USA.
- Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011, USA.
| | - Devin L Maurer
- Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011, USA.
| | - Anne Fennell
- Department of Agronomy, Horticulture and Plant Science, BioSNTR, South Dakota State University, Brookings, SD 57006, USA.
| | | | - Jacek A Koziel
- Interdepartmental Toxicology Graduate Program, Iowa State University, Ames, IA 50011, USA.
- Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, IA 50011, USA.
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Plant Growth Regulators Improve the Production of Volatile Organic Compounds in Two Rose Varieties. PLANTS 2019; 8:plants8020035. [PMID: 30709057 PMCID: PMC6410221 DOI: 10.3390/plants8020035] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 01/18/2019] [Accepted: 01/29/2019] [Indexed: 12/13/2022]
Abstract
The study focused on the influence of the plant growth regulators (PGRs) benzyladenine (BA) and naphthalene acetic acid (NAA) on the production of volatile organic compounds (VOCs) from the flowers of two modern rose varieties, Hybrid Tea and Floribunda. Thirty-six plants of Hybrid Tea and Floribunda were tested. Benzyladenine and naphthalene acetic acid were applied at 0, 100 and 200 mg/L to both rose varieties. Gas chromatography, coupled with flame ionization detection and mass spectrometry, was used to analyze and identify the volatile organic compounds from the flowers. A three-phase fiber 50/30 µm divinylbenzene/carboxen/polydimethylsiloxane was used to capture VOCs, at 2, 4 and 8 weeks, and 4 weeks was selected as it had the highest peak area. In total, 81 and 76 VOCs were detected after treatment of both rose varieties with BA and NAA, respectively. In addition, 20 compounds, which had significant differences between different treatments, were identified from both rose varieties. The majority of VOCs were extracted after the application of 200 mg (BA and NAA) /L of formulation, and four important compounds, cis-muurola-4(141)5-diene, y-candinene, y-muurolene and prenyl acetate, increased significantly compared to the controls. These compounds are commercially important aroma chemicals. This study used the rapid and solvent-free SPME method to show that BA and NAA treatments can result in significant VOC production in the flowers of two rose varieties, enhancing the aromatic value of the flowers. This method has the potential to be applied to other valuable aromatic floricultural plant species.
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29
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Influence of Benzyladenine on Metabolic Changes in Different Rose Tissues. PLANTS 2018; 7:plants7040095. [PMID: 30400246 PMCID: PMC6313934 DOI: 10.3390/plants7040095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 10/31/2018] [Accepted: 10/31/2018] [Indexed: 11/29/2022]
Abstract
Two modern rose varieties, Floribunda and Hybrid Tea, were used to analyze and identify metabolic changes after foliar application with benzyladenine (BA). Volatile organic compounds (VOCs) as metabolites were detected. Two pairs of doses of BA, at 11.16 and 17.87 mg/cm2, and 7.17 and 12.26 mg/cm2 were applied to the foliage of Hybrid Tea and Floribunda, respectively. Sampling time was optimized and treatment duration was 4 weeks. After treatment, the volatiles from the treated and untreated control roses were extracted using headspace solid-phase microextraction (HS-SPME) technology by three-phase fiber 50/30 µm divinylbenzene/carboxen/polydimethylsiloxane (DVB/CAR/PDMS) and analyzed by gas chromatography (GC) coupled with a flame ionization detector (FID), and with mass spectrometry (GC-MS).The results showed that BA and its dose rate led to metabolic changes of treated roses in comparison with untreated controls. The number of VOCs extracted and detected from leaves, stem, rhizosphere and whole plants from the two rose varieties at doses rate of 17.87 and 12.26 mg/cm2 were 43, 65, 40 and 68 compounds for each plant material, respectively, for both rose varieties. Whilst the VOCs extracted and detected from both rose varieties for leaves, stem, rhizosphere and whole plants were 38, 61, 34 and 66 compounds for each plant material, respectively. The results demonstrate that some volatiles, such as 4-Heptyn-2-ol, Phenyl methyl ether and 3-Methyl-apopinene, increased with increasing doses of BA; these compounds are aroma chemicals with a very powerful smell. This study shows that BA treatments can have a significant effect on metabolite changes in different rose tissues. This method could be applied to other floriculture plants.
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30
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Boiteux J, Monardez C, Fernández MDLÁ, Espino M, Pizzuolo P, Silva MF. Larrea divaricata volatilome and antimicrobial activity against Monilinia fructicola. Microchem J 2018. [DOI: 10.1016/j.microc.2018.06.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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31
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An on-line solid-phase extraction disc packed with a phytic acid induced 3D graphene-based foam for the sensitive HPLC-PDA determination of bisphenol A migration in disposable syringes. Talanta 2018; 179:153-158. [DOI: 10.1016/j.talanta.2017.11.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 10/28/2017] [Accepted: 11/03/2017] [Indexed: 12/11/2022]
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32
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Chew KW, Juan JC, Phang SM, Ling TC, Show PL. An overview on the development of conventional and alternative extractive methods for the purification of agarose from seaweed. SEP SCI TECHNOL 2017. [DOI: 10.1080/01496395.2017.1394881] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Kit Wayne Chew
- Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur, Malaysia
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Selangor Darul Ehsan, Malaysia
| | - Joon Ching Juan
- Nanotechnology & Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur, Malaysia
- Laboratory of Advanced Catalysis and Environmental Technology, Monash University Sunway Campus, Bandar Sunway, Malaysia
| | - Siew Moi Phang
- Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
- Institute of Ocean and Earth Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Tau Chuan Ling
- Institute of Biological Sciences, University of Malaya, Kuala Lumpur, Malaysia
| | - Pau Loke Show
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Nottingham Malaysia Campus, Jalan Broga, Semenyih, Selangor Darul Ehsan, Malaysia
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33
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Faleye AC, Adegoke AA, Ramluckan K, Bux F, Stenström TA. Identification of antibiotics in wastewater: current state of extraction protocol and future perspectives. JOURNAL OF WATER AND HEALTH 2017; 15:982-1003. [PMID: 29215361 DOI: 10.2166/wh.2017.097] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
The release and occurrence of antibiotics in the aquatic environment has generated increased attention in the past few decades. The residual antibiotic in wastewater is important in the selection for antimicrobial resistance among microorganisms and the possibility of forming toxic derivatives. This review presents an assessment of the advancement in methods for extraction of antibiotics with solid phase extraction and liquid-liquid extraction methods applied in different aquatic environmental media. These advanced methods do enhance specificity, and also exhibit high accuracy and recovery. The aim of this review is to assess the pros and cons of the methods of extraction towards identification of quinolones and sulphonamides as examples of relevant antibiotics in wastewater. The challenges associated with the improvements are also examined with a view of providing potential perspectives for better extraction and identification protocols in the near future. From the context of this review, magnetic molecular imprinted polymer is superior over the remaining extraction methods (with the availability of commercial templates and monomers), is based on less cumbersome extraction procedures, uses less solvent and has the advantage of its reusable magnetic phase.
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Affiliation(s)
- A C Faleye
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, South Africa E-mail: ; Department of Chemistry, Faculty of Applied Sciences, Durban University of Technology, Durban, South Africa
| | - A A Adegoke
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, South Africa E-mail:
| | - K Ramluckan
- Department of Chemistry, Faculty of Applied Sciences, Durban University of Technology, Durban, South Africa
| | - F Bux
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, South Africa E-mail:
| | - T A Stenström
- Institute for Water and Wastewater Technology, Durban University of Technology, Durban, South Africa E-mail:
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34
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Zhang N, Li Z, Zheng J, Yang X, Shen K, Zhou T, Zhang Y. Multielemental analysis of botanical samples by ICP-OES and ICP-MS with focused infrared lightwave ashing for sample preparation. Microchem J 2017. [DOI: 10.1016/j.microc.2017.05.006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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35
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Liu S, Xie L, Hu Q, Yang H, Pan G, Zhu F, Yang S, Ouyang G. A tri-metal centered metal-organic framework for solid-phase microextraction of environmental contaminants with enhanced extraction efficiency. Anal Chim Acta 2017; 987:38-46. [DOI: 10.1016/j.aca.2017.08.031] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 08/15/2017] [Accepted: 08/19/2017] [Indexed: 12/30/2022]
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36
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Chen L, Qiu J, Tang Y, Xu J, Huang S, Liu Y, Ouyang G. Rapid in vivo determination of tetrodotoxin in pufferfish ( Fugu ) muscle by solid-phase microextraction coupled to high-performance liquid chromatography tandem mass spectrometry. Talanta 2017; 171:179-184. [DOI: 10.1016/j.talanta.2017.04.078] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/25/2017] [Accepted: 04/30/2017] [Indexed: 11/26/2022]
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37
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Assessment of sensory metabolites distribution in 3 cactus Opuntia ficus-indica fruit cultivars using UV fingerprinting and GC/MS profiling techniques. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.02.014] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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38
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Farag MA, El-Kersh DM. Volatiles profiling in Ceratonia siliqua (Carob bean) from Egypt and in response to roasting as analyzed via solid-phase microextraction coupled to chemometrics. J Adv Res 2017; 8:379-385. [PMID: 28560053 PMCID: PMC5435580 DOI: 10.1016/j.jare.2017.05.002] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Revised: 05/08/2017] [Accepted: 05/08/2017] [Indexed: 01/31/2023] Open
Abstract
Ceratonia siliqua is a legume tree of considerable commercial importance for the flavor and sweets industry cultivated mostly for its pods nutritive value and or several health benefits. Despite extensive studies on C. siliqua pod non-volatile metabolites, much less is known regarding volatiles composition which contributes to the flavor of its many food products. To gain insight into C. siliqua aroma, 31 volatile constituents from unroasted and roasted pods were profiled using headspace solid-phase micro extraction (HD-SPME) analyzed via quadruple mass spectrometer followed by multivariate data analyses. Short chain fatty acids amounted for the major volatile class at ca. (71–77%) with caproic acid (20%) and pentanoic acid (15–25%) as major components. Compared to ripe pod, roasted ripe pod was found less enriched in major volatile classes i.e., short chain fatty acids and aldehydes, except for higher pyranone levels. Volatiles mediating for unheated and hot carob fruit aroma is likely to be related to its (E)-cinnamaldehyde and pyranone content, respectively. Such knowledge is expected to be the key for understanding the olfactory and taste properties of C. siliqua and its various commercial food products.
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Affiliation(s)
- Mohamed A. Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, Egypt
- Corresponding author.
| | - Dina M. El-Kersh
- Pharmacognosy Department, Faculty of Pharmacy, British University in Egypt (BUE), 11837, Egypt
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39
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Chammui Y. Rapid Analysis of some Endocrine Disruptor Chemicals Leaching from Baby Milk Feeding Bottles Using SPME and SDME Techniques. FOOD ANAL METHOD 2017. [DOI: 10.1007/s12161-017-0825-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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40
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Killiny N, Jones SE. Profiling of volatile organic compounds released from individual intact juvenile and mature citrus leaves. JOURNAL OF PLANT PHYSIOLOGY 2017; 208:47-51. [PMID: 27889520 DOI: 10.1016/j.jplph.2016.11.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Accepted: 11/07/2016] [Indexed: 05/03/2023]
Abstract
Plants release volatiles to communicate with each other and to attract or repel insects. The methods used to collect volatiles are varied. Here, we describe a simple solvent-less, solid phase microextraction-based method to collect the volatiles released from intact citrus leaves. We were able to collect up to 39 volatiles from both juvenile and mature leaves. Our results indicated that juvenile leaves produced both monoterpenes and sesquiterpenes, and while mature leaves continued to produce a variety of monoterpenes, their release of sesquiterpenes decreased dramatically. The finding that juvenile leaves emitted higher levels of sesquiterpenes while mature leaves released mostly monoterpenes suggests that younger leaves of plants may be involved in a more complex chemical communication system.
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Affiliation(s)
- Nabil Killiny
- Department of Plant Pathology, Citrus Research and Education Center, University of Florida, 700 Experiment Station Rd., Lake Alfred, FL 33850, United States.
| | - Shelley E Jones
- Department of Plant Pathology, Citrus Research and Education Center, University of Florida, 700 Experiment Station Rd., Lake Alfred, FL 33850, United States
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41
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Xu J, Chen G, Huang S, Qiu J, Jiang R, Zhu F, Ouyang G. Application of in vivo solid-phase microextraction in environmental analysis. Trends Analyt Chem 2016. [DOI: 10.1016/j.trac.2016.03.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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42
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Hierarchical Graphene coating for highly sensitive solid phase microextraction of organochlorine pesticides. Talanta 2016; 160:217-224. [DOI: 10.1016/j.talanta.2016.07.013] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 07/01/2016] [Accepted: 07/04/2016] [Indexed: 02/02/2023]
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43
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Wang C, Chen X, Hu S, Bai X. Development of a novel stirrerliquid/solid microextraction method for the separation and enrichment of trace levels of active compounds in traditional Chinese medicine. J Sep Sci 2016; 39:4290-4298. [DOI: 10.1002/jssc.201600605] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2016] [Revised: 09/09/2016] [Accepted: 09/09/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Caiyun Wang
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Xuan Chen
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Shuang Hu
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Xiaohong Bai
- School of Pharmacy; Shanxi Medical University; Taiyuan China
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44
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Musteata FM, Sandoval M, Ruiz-Macedo JC, Harrison K, McKenna D, Millington W. Evaluation of in vivo solid phase microextraction for minimally invasive analysis of nonvolatile phytochemicals in Amazonian plants. Anal Chim Acta 2016; 933:124-33. [DOI: 10.1016/j.aca.2016.05.053] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 03/28/2016] [Accepted: 05/30/2016] [Indexed: 12/23/2022]
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45
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Wang C, Hu S, Chen X, Bai X. Screening and quantification of anticancer compounds in traditional Chinese medicine by hollow fiber cell fishing and hollow fiber liquid/solid-phase microextraction. J Sep Sci 2016; 39:1814-24. [DOI: 10.1002/jssc.201600103] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2016] [Revised: 02/25/2016] [Accepted: 03/03/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Caiyun Wang
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Shuang Hu
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Xuan Chen
- School of Pharmacy; Shanxi Medical University; Taiyuan China
| | - Xiaohong Bai
- School of Pharmacy; Shanxi Medical University; Taiyuan China
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46
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Liu S, Hu Q, Zheng J, Xie L, Wei S, Jiang R, Zhu F, Liu Y, Ouyang G. Knitting aromatic polymers for efficient solid-phase microextraction of trace organic pollutants. J Chromatogr A 2016; 1450:9-16. [PMID: 27155913 DOI: 10.1016/j.chroma.2016.04.065] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2016] [Revised: 04/21/2016] [Accepted: 04/22/2016] [Indexed: 12/19/2022]
Abstract
A series of knitting aromatic polymers (KAPs) were successfully synthesized using a simple one-step Friedel-Crafts alkylation of aromatic monomers and were characterized by transmission electron microscopy (TEM), Fourier transform infrared (FTIR) spectroscopy, and X-ray photoelectron spectroscopy (XPS). Then, as-synthesized KAPs with large surface areas, unique pore structures and high thermal stability were prepared as solid-phase microextraction (SPME) coatings that exhibited good extraction abilities for a series of benzene compounds (i.e., benzene, toluene, ethylbenzene and m-xylene, which are referred to as BTEX) and polycyclic aromatic hydrocarbons (PAHs). Under the optimized conditions, the methodologies established for the determination of BTEX and PAHs using the KAPs-triPB and KAPs-B coatings, respectively, possessed wide linear ranges, low limits of detection (LODs, 0.10-1.13ngL(-1) for BTEX and 0.05-0.49ngL(-1) for PAHs) and good reproducibility. Finally, the proposed methods were successfully applied to the determination of BTEX and PAHs in environmental water samples, and satisfactory recoveries (93.6-124.2% for BTEX and 77.2-113.3% for PAHs) were achieved. This study provides a benchmark for exploiting novel microporous organic polymers (MOPs) for SPME applications.
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Affiliation(s)
- Shuqin Liu
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Qingkun Hu
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Juan Zheng
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Lijun Xie
- Department of Chemistry, Guangdong University of Education, Guangzhou 510303, PR China
| | - Songbo Wei
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Ruifen Jiang
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Fang Zhu
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Yuan Liu
- College of Food Science & Technology, Shanghai Ocean University, Shanghai 201306, PR China.
| | - Gangfeng Ouyang
- MOE Key Laboratory of Aquatic Product Safety/KLGHEI of Environment and Energy Chemistry, School of Chemistry and Chemical Engineering, Sun Yat-sen University, Guangzhou 510275, PR China.
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47
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He M, Yang ZY, Guan WN, Vicente Gonçalves CM, Nie J, Wu H. GC–MS Analysis and Volatile Profile Comparison for the Characteristic Smell fromLiang-wai Gan Cao(Glycyrrhiza uralensis) and Honey-Roasting Products. J Chromatogr Sci 2016; 54:879-87. [DOI: 10.1093/chromsci/bmw034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2015] [Indexed: 01/15/2023]
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48
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Li S, Zhu F, Jiang R, Ouyang G. Preparation and evaluation of amino modified graphene solid-phase microextraction fiber and its application to the determination of synthetic musks in water samples. J Chromatogr A 2016; 1429:1-7. [DOI: 10.1016/j.chroma.2015.11.025] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 11/08/2015] [Accepted: 11/09/2015] [Indexed: 01/12/2023]
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49
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Leung GS, Marriott R. Year to year variation in sea buckthorn juice volatiles using headspace solid phase microextraction. FLAVOUR FRAG J 2015. [DOI: 10.1002/ffj.3290] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Gee-Sian Leung
- BioComposites Centre; Bangor University, Bangor Gwynedd, LL57 2UW, UK
| | - Ray Marriott
- BioComposites Centre; Bangor University, Bangor Gwynedd, LL57 2UW, UK
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50
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Study of complex matrix effect on solid phase microextraction for biological sample analysis. J Chromatogr A 2015; 1411:34-40. [DOI: 10.1016/j.chroma.2015.07.118] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 07/30/2015] [Accepted: 07/31/2015] [Indexed: 11/22/2022]
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