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Riaz F, Hameed A, Asghar MJ. Grain nutritional and antioxidant profiling of diverse lentil ( Lens culinaris Medikus) genetic resources revealed genotypes with high nutritional value. Front Nutr 2024; 11:1344986. [PMID: 38585617 PMCID: PMC10998453 DOI: 10.3389/fnut.2024.1344986] [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: 11/27/2023] [Accepted: 03/04/2024] [Indexed: 04/09/2024] Open
Abstract
The lentil (Lens culinaris Medikus ssp. Culinaris) is a self-pollinating, diploid (2n = 2X = 14) crop with a genome size of 4 Gbp. The present study was conducted to provide a database for the evaluation of lentil antioxidant capacity, nutritional quality, and biochemical attributes. For these purposes, lentil germplasm, including 100 exotic and local genotypes from different agro-climatic zones of Pakistan, was collected. Significant variation (p < 0.05) was found among the genotypes under investigation using the Tukey HSD test. Ascorbate peroxidase was highest in ALTINOPARK (2,465 Units/g s. wt.), catalase in LPP 12110 (5,595 Units/g s. wt.), superoxide dismutase in LPP 12105 (296.75 Units/g s. wt.), and peroxidase in NIAB Masoor 2002 (3,170 Units/g s. wt.). Furthermore, NLM 15016 had a maximum total antioxidant capacity of 15.763 mg/g s. wt. The maximum values of total soluble sugars (83.93 mg/g. s. wt.) and non-reducing sugars (74.79 mg/g. s. wt.) were noticed in NLM 15015. The highest reducing sugars were detected in ILL 8006 (45.68 mg/g. s. wt.) ascorbic acid in LPP 12182 (706 μg/g s. wt.), total phenolic content in NLI 17003 (54,600 μM/g s. wt.), and tannins in NLI 17057 (24,563 μM/g s. wt.). The highest chlorophyll a (236.12 μg/g s. wt.), chlorophyll b (317 μg/g s. wt.), total chlorophyll (552.58 μg/g s. wt.), and lycopene (10.881 μg/g s. wt.) were found in NLH 12097. Maximum total carotenoids were revealed in the local approved variety Markaz 2009 (17.89 μg/g s. wt.). Principal component analysis (PCA), correlation analysis (Pearson's test), and agglomerative hierarchical clustering (AHC) were performed to detect the extent of variation in genotypes. In cluster analysis, all genotypes were categorized into three clusters. Cluster II genotypes showed remarkable divergence with cluster III. According to PCA, the contribution of PC-I regarding tested nutritional parameters toward variability was the highest (39.75%) and indicated positive factor loading for the tested nutritional and biochemical parameters. In conclusion, genotype X 2011S 33-34-32 can be used by the food industry in making pasta, multigrain bread, and snacking foods due to its high protein content for meat alternative seekers. Identified genotypes with high nutritional attributes can be utilized to improve quality parameters in the respective lentil breeding lines.
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Affiliation(s)
| | - Amjad Hameed
- Nuclear Institute for Agriculture and Biology College, Pakistan Institute of Engineering and Applied Sciences (NIAB-C, PIEAS), Faisalabad, Pakistan
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2
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Prempree P, Saito Y, Kondo N. Characterization of time-series fluorescence properties of bean sprouts during storage using excitation emission matrix and fluorescence imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123194. [PMID: 37542867 DOI: 10.1016/j.saa.2023.123194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 07/03/2023] [Accepted: 07/22/2023] [Indexed: 08/07/2023]
Abstract
Soybean (Glycine max (L.) Merr.) and mung bean (Vigna radiata L.) are popular varieties of bean sprouts, which are used in various Asian cuisines. The freshness of bean sprouts reduces at fast rate during storage. Hence, determining index of monitoring the state of sprouts is required to prevent unnecessary food loss, which is also linked to economical loss. The aim of this study is to reveal fluorescence characteristic of bean sprouts and investigate its potentiality for tracking the freshness state of bean sprouts. The fluorescence spectroscopy and imaging were used. For fresh bean sprouts, the Excitation-Emission Matrix (EEM) showed two fluorescence regions: Excitation (Ex) 270-300 nm with Emission (Em) 300-400 nm and Ex 300-350 nm with Em 400-450 nm, which are suspected to be amino acids and vitamins, respectively. When browning process started, the new fluorescence region occurred at Ex 400-450 nm with Em 450-550 nm. Consistent with EEM, under 365 nm, bean sprouts initially had blue fluorescence emission, and later changed to green when they start spoiling. However, due to higher emission, 420 nm-excitation wavelength was preferable for detecting browning part. With these basic fluorescence information, further application on inspecting both physical change and chemical change of bean sprouts can be easily established.
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Affiliation(s)
- Panintorn Prempree
- Laboratory of Biosensing Engineering, Graduate School of Agriculture, Kyoto University, Kitashirakawa 606-8502, Kyoto, Japan
| | - Yoshito Saito
- Institute of Science and Technology, Niigata University, 8050 2-no-cho, Ikarashi, Nishi-ku, Niigata 950-2181, Japan.
| | - Naoshi Kondo
- Laboratory of Biosensing Engineering, Graduate School of Agriculture, Kyoto University, Kitashirakawa 606-8502, Kyoto, Japan
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3
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John R, Bartwal A, Jeyaseelan C, Sharma P, Ananthan R, Singh AK, Singh M, Gayacharan, Rana JC, Bhardwaj R. Rice bean-adzuki bean multitrait near infrared reflectance spectroscopy prediction model: a rapid mining tool for trait-specific germplasm. Front Nutr 2023; 10:1224955. [PMID: 38162522 PMCID: PMC10757333 DOI: 10.3389/fnut.2023.1224955] [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: 05/19/2023] [Accepted: 11/08/2023] [Indexed: 01/03/2024] Open
Abstract
In the present era of climate change, underutilized crops such as rice beans and adzuki beans are gaining prominence to ensure food security due to their inherent potential to withstand extreme conditions and high nutritional value. These legumes are bestowed with higher nutritional attributes such as protein, fiber, vitamins, and minerals than other major legumes of the Vigna family. With the typical nutrient evaluation methods being expensive and time-consuming, non-invasive techniques such as near infrared reflectance spectroscopy (NIRS) combined with chemometrics have emerged as a better alternative. The present study aims to develop a combined NIRS prediction model for rice bean and adzuki bean flour samples to estimate total starch, protein, fat, sugars, phytate, dietary fiber, anthocyanin, minerals, and RGB value. We chose 20 morphometrically diverse accessions in each crop, of which fifteen were selected as the training set and five for validation of the NIRS prediction model. Each trait required a unique combination of derivatives, gaps, smoothening, and scatter correction techniques. The best-fit models were selected based on high RSQ and RPD values. High RSQ values of >0.9 were achieved for most of the studied parameters, indicating high-accuracy models except for minerals, fat, and phenol, which obtained RSQ <0.6 for the validation set. The generated models would facilitate the rapid nutritional exploitation of underutilized pulses such as adzuki and rice beans, showcasing their considerable potential to be functional foods for health promotion.
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Affiliation(s)
- Racheal John
- Amity Institute of Applied Science, Amity University, Noida, India
| | - Arti Bartwal
- National Bureau of Plant Genetic Resources, Indian Council of Agricultural Research, Pusa, New Delhi, India
| | | | - Paras Sharma
- National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - R Ananthan
- National Institute of Nutrition, Indian Council of Medical Research, Hyderabad, India
| | - Amit Kumar Singh
- National Bureau of Plant Genetic Resources, Indian Council of Agricultural Research, Pusa, New Delhi, India
| | - Mohar Singh
- National Bureau of Plant Genetic Resources, Indian Council of Agricultural Research, Pusa, New Delhi, India
| | - Gayacharan
- National Bureau of Plant Genetic Resources, Indian Council of Agricultural Research, Pusa, New Delhi, India
| | - Jai Chand Rana
- The Alliance of Bioversity International & CIAT – India Office, New Delhi, India
| | - Rakesh Bhardwaj
- Germplasm Evaluation Division, National Bureau of Plant Genetic Resources, Indian Council of Agricultural Research (ICAR), New Delhi, India
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4
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Johnson JB, Walsh KB, Naiker M, Ameer K. The Use of Infrared Spectroscopy for the Quantification of Bioactive Compounds in Food: A Review. Molecules 2023; 28:molecules28073215. [PMID: 37049978 PMCID: PMC10096661 DOI: 10.3390/molecules28073215] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Revised: 03/29/2023] [Accepted: 04/03/2023] [Indexed: 04/14/2023] Open
Abstract
Infrared spectroscopy (wavelengths ranging from 750-25,000 nm) offers a rapid means of assessing the chemical composition of a wide range of sample types, both for qualitative and quantitative analyses. Its use in the food industry has increased significantly over the past five decades and it is now an accepted analytical technique for the routine analysis of certain analytes. Furthermore, it is commonly used for routine screening and quality control purposes in numerous industry settings, albeit not typically for the analysis of bioactive compounds. Using the Scopus database, a systematic search of literature of the five years between 2016 and 2020 identified 45 studies using near-infrared and 17 studies using mid-infrared spectroscopy for the quantification of bioactive compounds in food products. The most common bioactive compounds assessed were polyphenols, anthocyanins, carotenoids and ascorbic acid. Numerous factors affect the accuracy of the developed model, including the analyte class and concentration, matrix type, instrument geometry, wavelength selection and spectral processing/pre-processing methods. Additionally, only a few studies were validated on independently sourced samples. Nevertheless, the results demonstrate some promise of infrared spectroscopy for the rapid estimation of a wide range of bioactive compounds in food matrices.
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Affiliation(s)
- Joel B Johnson
- School of Health, Medical & Applied Science, Central Queensland University, North Rockhampton, QLD 4701, Australia
| | - Kerry B Walsh
- School of Health, Medical & Applied Science, Central Queensland University, North Rockhampton, QLD 4701, Australia
| | - Mani Naiker
- School of Health, Medical & Applied Science, Central Queensland University, North Rockhampton, QLD 4701, Australia
| | - Kashif Ameer
- Institute of Food Science and Nutrition, University of Sargodha, Sargodha 40100, Pakistan
- Department of Integrative Food, Bioscience and Biotechnology, Chonnam National University, Gwangju 61186, Republic of Korea
- School of Food Science and Biotechnology, Kyungpook National University, Daegu 41566, Republic of Korea
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5
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Bartwal A, John R, Padhi SR, Suneja P, Bhardwaj R, Gayacharan, Wankhede DP, Archak S. NIR spectra processing for developing efficient protein prediction Model in mungbean. J Food Compost Anal 2023. [DOI: 10.1016/j.jfca.2022.105087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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6
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Mohamed A, Tlahig S, Moussa JY, Yahia LB, Bouhamda T, Loumerem M. Biochemical Characterization of Rare and Threatened Local Populations of Peas (Pisum sativum L.) Cultivated in the Arid Region of Southern Tunisia. Chem Biodivers 2022; 19:e202200595. [PMID: 36239977 DOI: 10.1002/cbdv.202200595] [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: 06/20/2022] [Accepted: 10/14/2022] [Indexed: 12/27/2022]
Abstract
Pea (Pisum sativum L.) is an important legume for human and animal consumption, cultivated in many temperate regions of the world. In the present investigation, the seeds of twelve pea accessions collected from the arid regions of southern Tunisia, characterized by different colors of flowers and seed coats, were evaluated for their proteins, phenolic compounds and antioxidant activities. The protein content determined by the Bradford method ranged from 46.91 to 151.08 mg/g DW. The content of total phenol, total flavonoid and condensed tannin, ranging from 36.85 to 102.52 mg GAE/100 g DW, 6.95 to 48.11 mg QE/100 g DW, and 12.37 to 70.43 mg CE/100 g DW, respectively. These parameters were characterized respectively by the following three methods, the Folin-Ciocalteu reagent, the aluminum chloride and the vanillin assay. The LC-ESI/MS analysis identified the presence of 8 phenolic acids and 9 flavonoids which quinic acid, protocatechuic acid, hyperoside, and quercetin-3-O-rhamnosidewere detected as the most abundant compounds. Moreover, the antioxidant activity of pea seeds was evaluated by the ABTS+and DPPH tests. Indeed, DPPH and ABTS anti-free radical activity values ranged from 1.92 to 14.11 μmoL TEAC/g DW and 2.3 to 14.95 μmoL TEAC/g DW, respectively. The variability across the assessed traits revealed significant differences as computed by ANOVA tests. Else, the results showed significant correlations between seed coat color, seed shape, flower color and phenolic compounds. Therefore, genotypes characterized by a purple flower, brown seed coat, and wrinkled form had the highest levels of phenolic compounds and antioxidant activity. Correlation analysis revealed that phenolic compounds presented a strong positive correlation with antioxidant activities, while being negatively correlated with protein content. UPGMA cluster and Principal component analysis (PCA) revealed two main groups. This work highlights the nutritional value of P. sativum seeds as a good source of natural antioxidant compounds that may be useful in the food and pharmaceutical industries.
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Affiliation(s)
- Amina Mohamed
- Dryland Farming and Oases Cropping Laboratory (LR16IRA02), Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
- Higher Agronomic Institute, Chott Mariem, IRESA, University of Sousse, B.P. 47, 4042 Chott Mariem, Sousse, Tunisia
| | - Samir Tlahig
- Dryland Farming and Oases Cropping Laboratory (LR16IRA02), Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
| | - Jamila Yehmed Moussa
- Dryland Farming and Oases Cropping Laboratory (LR16IRA02), Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
| | - Leila Ben Yahia
- Dryland Farming and Oases Cropping Laboratory (LR16IRA02), Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
| | - Talel Bouhamda
- Advanced Analysis Platform - Central Laboratory, Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
| | - Mohamed Loumerem
- Dryland Farming and Oases Cropping Laboratory (LR16IRA02), Arid Land Institute, Street El Jorf, 4119, Medenine, Tunisia
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Meenu M, Zhang Y, Kamboj U, Zhao S, Cao L, He P, Xu B. Rapid Determination of β-Glucan Content of Hulled and Naked Oats Using near Infrared Spectroscopy Combined with Chemometrics. Foods 2021; 11:foods11010043. [PMID: 35010172 PMCID: PMC8750250 DOI: 10.3390/foods11010043] [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: 11/20/2021] [Revised: 12/15/2021] [Accepted: 12/21/2021] [Indexed: 01/25/2023] Open
Abstract
The quantification of β-glucan in oats is of immense importance for plant breeders and food scientists to develop plant varieties and food products with a high quantity of β-glucan. However, the chemical analysis of β-glucan is time consuming, destructive, and laborious. In this study, near-infrared (NIR) spectroscopy in conjunction with Chemometrics was employed for rapid and non-destructive prediction of β-glucan content in oats. The interval Partial Least Square (iPLS) along with correlation matrix plots were employed to analyze the NIR spectrum from 700-1300 nm, 1300-1900 nm, and 1900-2500 nm for the selection of important wavelengths for the prediction of β-glucan. The NIR spectral data were pre-treated using Savitzky Golay smoothening and normalization before employing partial least square regression (PLSR) analysis. The PLSR models were established based on the selection of wavelengths from PLS loading plots that present a high correlation with β-glucan content. It was observed that wavelength region 700-1300 nm is sufficient for the satisfactory prediction of β-glucan of hulled and naked oats with R2c of 0.789 and 0.677, respectively, and RMSE < 0.229.
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Affiliation(s)
- Maninder Meenu
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai 519087, China; (M.M.); (Y.Z.)
| | - Yaqian Zhang
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai 519087, China; (M.M.); (Y.Z.)
| | - Uma Kamboj
- School of Chemical Engineering and Physical Sciences, Lovely Professional University, Jalandhar 144411, India;
| | - Shifeng Zhao
- Zhangjiakou Academy of Agricultural Sciences, Zhangjiakou 075000, China; (S.Z.); (L.C.)
| | - Lixia Cao
- Zhangjiakou Academy of Agricultural Sciences, Zhangjiakou 075000, China; (S.Z.); (L.C.)
| | - Ping He
- Statistical Program, BNU-HKBU United International College, Zhuhai 519087, China;
| | - Baojun Xu
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai 519087, China; (M.M.); (Y.Z.)
- Correspondence: ; Tel.: +86-756-3620636
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Tungmunnithum D, Drouet S, Lorenzo JM, Hano C. Characterization of Bioactive Phenolics and Antioxidant Capacity of Edible Bean Extracts of 50 Fabaceae Populations Grown in Thailand. Foods 2021; 10:3118. [PMID: 34945669 PMCID: PMC8700874 DOI: 10.3390/foods10123118] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 12/12/2021] [Accepted: 12/13/2021] [Indexed: 12/16/2022] Open
Abstract
Fabaceae is the third largest family containing great variation among populations. However, previous studies mainly focus on single species, and phytochemicals at population level have never been reported. This work aims to complete this knowledge with 50 populations from throughout Thailand by (1) determining total phenolic (TPC), flavonoid (TFC), and anthocyanin (TAC) contents; and (2) investigating in vitro and cellular antioxidant potentials. Phytochemicals of 50 populations from different localities are differed, illustrating high heterogeneity occurring in polyphenols accumulations. Vigna unguiculata subsp. sesquipedalis populations showed low variability in TPC ranging from 628.3 to 717.3 mg/100 g DW gallic acid equivalent, whereas the high variability found in TFC and TAC range from 786.9 to 1536.1 mg/100 g DW quercetin equivalent, and 13.4 to 41.6 mg/100 g DW cyanidin equivalent. Red cultivar population #16 had the greatest TAC, but surprisingly the cream cultivars were relatively high in anthocyanins. HPLC quantification of genistein and daidzein showed great variations among populations. In vitro antioxidant results indicated that antioxidant capacity mediated by electron transfer. Cellular antioxidants ranged from 59.7% to 87.9% of ROS/RNS in yeast model. This study investigated at the population level contributing to better and frontier knowledge for nutraceutical/phytopharmaceutical sectors to seek potential raw plant material.
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Affiliation(s)
- Duangjai Tungmunnithum
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Mahidol University, Bangkok 10400, Thailand
| | - Samantha Drouet
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Campus Eure et Loir, Orleans University, 28000 Chartres, France;
| | - Jose Manuel Lorenzo
- Centro Tecnológico de la Carne de Galicia, Adva. Galicia n° 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain;
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, 32004 Ourense, Spain
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures, Campus Eure et Loir, Orleans University, 28000 Chartres, France;
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Meenu M, Kurade C, Neelapu BC, Kalra S, Ramaswamy HS, Yu Y. A concise review on food quality assessment using digital image processing. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.09.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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10
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Xu H, Zhou Q, Liu B, Cheng KW, Chen F, Wang M. Neuroprotective Potential of Mung Bean ( Vigna radiata L.) Polyphenols in Alzheimer's Disease: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:11554-11571. [PMID: 34551518 DOI: 10.1021/acs.jafc.1c04049] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Mung bean contains various neuroprotective polyphenols, so it might be a healthy food for Alzheimer's disease (AD) prevention. Totally, 19 major phenolic compounds were quantified in mung bean, including 10 phenolic acids and 9 flavonoids. After summarizing their contents and effective doses in rodent AD models, it was speculated that vitexin, isovitexin, sinapic acid, and ferulic acid might be the major bioactive compounds for mung bean-mediated neuroprotection. The mechanisms involved inhibition of β-amyloidogenesis, tau hyperphosphorylation, oxidative stress, and neuroinflammation, and promotion of autophagy and acetylcholinesterase enzyme activity. Notably, the neuroprotective phenolic profile in mung bean changed after germination, with decreased vitexin and isovitexin, and increased rutin, isoquercitrin, isorhamnetin, and caffeic acid detected. However, only studies of individual phenolic compounds in mung bean are published at present. Hence, further studies are needed to elucidate the neuroprotective activities and mechanisms of extractions of mung bean seeds and sprouts, and the synergism between different phenolic compounds.
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Affiliation(s)
- Hui Xu
- College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Qian Zhou
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Bin Liu
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Ka-Wing Cheng
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Feng Chen
- College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
| | - Mingfu Wang
- Shenzhen Key Laboratory of Marine Microbiome Engineering, Institute for Advanced Study, Shenzhen University, Shenzhen 518060, China
- Institute for Innovative Development of Food Industry, Shenzhen University, Shenzhen 518060, China
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11
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Manzoor MF, Hussain A, Sameen A, Sahar A, Khan S, Siddique R, Aadil RM, Xu B. Novel extraction, rapid assessment and bioavailability improvement of quercetin: A review. ULTRASONICS SONOCHEMISTRY 2021; 78:105686. [PMID: 34358980 PMCID: PMC8350193 DOI: 10.1016/j.ultsonch.2021.105686] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/15/2021] [Accepted: 07/21/2021] [Indexed: 05/12/2023]
Abstract
Quercetin (QUR) have got the attention of scientific society frequently due to their wide range of potential applications. QUR has been the focal point for research in various fields, especially in food development. But, the QUR is highly unstable and can be interrupted by using conventional assessment methods. Therefore, researchers are focusing on novel extraction and non-invasive tools for the non-destructive assessment of QUR. The current review elaborates the different novel extraction (ultrasound-assisted extraction, microwave-assisted extraction, supercritical fluid extraction, and enzyme-assisted extraction) and non-destructive assessment techniques (fluorescence spectroscopy, terahertz spectroscopy, near-infrared spectroscopy, hyperspectral imaging, Raman spectroscopy, and surface-enhanced Raman spectroscopy) for the extraction and identification of QUR in agricultural products. The novel extraction approaches facilitate shorter extraction time, involve less organic solvent, and are environmentally friendly. While the non-destructive techniques are non-interruptive, label-free, reliable, accurate, and environmental friendly. The non-invasive spectroscopic and imaging methods are suitable for the sensitive detection of bioactive compounds than conventional techniques. QUR has potential therapeutic properties such as anti-obesity, anti-diabetes, antiallergic, antineoplastic agent, neuroprotector, antimicrobial, and antioxidant activities. Besides, due to the low bioavailability of QUR innovative drug delivery strategies (QUR loaded gel, QUR polymeric micelle, QUR nanoparticles, glucan-QUR conjugate, and QUR loaded mucoadhesive nanoemulsions) have been proposed to improve its bioavailability and providing novel therapeutic approaches.
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Affiliation(s)
- Muhammad Faisal Manzoor
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China; Riphah College of Rehabilitation and Allied Health Sciences, Riphah International University, Faisalabad 38000, Pakistan
| | - Abid Hussain
- Department of Agriculture and Food Technology, Karakoram International University Gilgit, Pakistan
| | - Aysha Sameen
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Amna Sahar
- Department of Food Engineering, University of Agriculture, Faisalabad 38000, Pakistan
| | - Sipper Khan
- University of Hohenheim, Institute of Agricultural Engineering, Tropics and Subtropics Group, Garbenstrasse 9, 70593 Stuttgart, Germany
| | - Rabia Siddique
- Department of Chemistry, Government College University Faisalabad, 38000, Pakistan
| | - Rana Muhammad Aadil
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Bin Xu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu Province 212013, China.
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12
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Tan SH, Pui LP, Solihin MI, Keat KS, Lim WH, Ang CK. Physicochemical analysis and adulteration detection in Malaysia stingless bee honey using a handheld near‐infrared spectrometer. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15576] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shi Hui Tan
- Food Science with Nutrition Department, Faculty of Applied Sciences UCSI University Kuala Lumpur Malaysia
| | - Liew Phing Pui
- Food Science with Nutrition Department, Faculty of Applied Sciences UCSI University Kuala Lumpur Malaysia
| | - Mahmud Iwan Solihin
- Mechanical and Mechatronics Engineering Department, Faculty of Engineering UCSI University Kuala Lumpur Malaysia
| | - Kong Seah Keat
- Mechanical and Mechatronics Engineering Department, Faculty of Engineering UCSI University Kuala Lumpur Malaysia
| | - Wei Hong Lim
- Mechanical and Mechatronics Engineering Department, Faculty of Engineering UCSI University Kuala Lumpur Malaysia
| | - Chun Kit Ang
- Mechanical and Mechatronics Engineering Department, Faculty of Engineering UCSI University Kuala Lumpur Malaysia
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13
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Mohammed F, Warland J, Guillaume D. A comprehensive review on analytical techniques to detect adulteration of maple syrup. Microchem J 2021. [DOI: 10.1016/j.microc.2021.105969] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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14
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Meenu M, Decker EA, Xu B. Application of vibrational spectroscopic techniques for determination of thermal degradation of frying oils and fats: a review. Crit Rev Food Sci Nutr 2021; 62:5744-5765. [PMID: 33645344 DOI: 10.1080/10408398.2021.1891520] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Deep fried foods are popular among consumers due to their unique taste and texture. During the process of deep-frying, oil is subjected to a high temperature that results into the generation of harmful compounds. The repeated usage of frying oil is a common exercise and associated with various health hazards. Thus, determination of frying oil quality is a critical practice to follow. The chemical methods employed to determine the quality of frying oil are destructive and require large amount of harmful chemical, thus researchers are exploring the application of various vibrational spectroscopic techniques for this purpose. The first part of this review provides a detailed insight into fundamental theoretical aspects of two main vibrational spectroscopic techniques (infrared and Raman spectroscopy) and chemical alteration in frying oils under thermal stress. While in the following parts, the application of near-infrared (NIR) and Fourier transform infrared (FTIR) and Raman spectroscopy for evaluating the quality of various frying oils and fats under thermal stress has been discussed. It is anticipated that this review paper can serve as a reference source for impending research in this field.
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Affiliation(s)
- Maninder Meenu
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, China
| | - Eric A Decker
- Department of Food Science, University of Massachusetts Amherst, Amherst, MA, USA
| | - Baojun Xu
- Food Science and Technology Program, BNU-HKBU United International College, Zhuhai, China
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15
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Wu Z, Meenu M, Xu B. Nutritional value and antioxidant activity of Chinese black truffle (Tuber indicum) grown in different geographical regions in China. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2020.110226] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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16
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Zhang S, Feng Y, Fu T, Sheng Y, Diao J, Wang C. Effect of processing on the phenolics content and antioxidant properties of mung bean. Cereal Chem 2020. [DOI: 10.1002/cche.10375] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Shu Zhang
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
| | - Yu‐Chao Feng
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Tian‐Xin Fu
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Ya‐Nan Sheng
- College of Food Heilongjiang Bayi Agricultural University Daqing China
| | - Jing‐Jing Diao
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
| | - Chang‐Yuan Wang
- College of Food Heilongjiang Bayi Agricultural University Daqing China
- Chinese National Engineering Research Center Daqing China
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17
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Tian W, Chen G, Zhang G, Wang D, Tilley M, Li Y. Rapid determination of total phenolic content of whole wheat flour using near-infrared spectroscopy and chemometrics. Food Chem 2020; 344:128633. [PMID: 33223296 DOI: 10.1016/j.foodchem.2020.128633] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 11/10/2020] [Accepted: 11/10/2020] [Indexed: 01/01/2023]
Abstract
Phenolics in whole wheat products provide many health benefits. Wheat breeders, producers, and end-users are becoming increasingly interested in wheats with higher total phenolic content (TPC). Whole wheat flour with higher phenolics may have greater marketing value in the future. However, conventional methods determining TPC are costly and labor-intensive, which are not practical for wheat breeders to analyze several thousands of lines within a limited timeframe. We presented a novel application of near-infrared spectroscopy for TPC prediction in whole wheat flour. The optimal regression model demonstrated R2 values of 0.92 and 0.90 for the calibration and validation sets, and a residual prediction deviation value of 3.4. The NIR method avoids the tedious extraction and TPC assay procedures, making it more convenient and cost-effective. Our result also demonstrated that NIR can accurately quantify phenolics even at low concentration (less than 0.2%) in the food matrix such as whole wheat flour.
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Affiliation(s)
- Wenfei Tian
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA
| | - Gengjun Chen
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA
| | - Guorong Zhang
- Agricultural Research Center- Hays, Kansas State University, Hays, KS 67601, USA
| | - Donghai Wang
- Department of Biological and Agricultural Engineering, Kansas State University, Manhattan, KS 66506, USA
| | - Michael Tilley
- USDA, Agricultural Research Service, Center for Grain and Animal Health Research, 1515 College Ave, Manhattan, KS 66502, USA
| | - Yonghui Li
- Department of Grain Science and Industry, Kansas State University, Manhattan, KS 66506, USA.
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18
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Zhang Y, Meenu M, Yu H, Xu B. An Investigation on Phenolic and Antioxidant Capacity of Under-utilized Food Legumes Consumed in China. Foods 2020; 9:foods9040438. [PMID: 32268476 PMCID: PMC7231270 DOI: 10.3390/foods9040438] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 03/06/2020] [Accepted: 03/12/2020] [Indexed: 01/08/2023] Open
Abstract
China is a major producer of various kinds of food legumes. Some of the under-utilized food legumes are consumed by the local society from different areas in China. The antioxidant capacity and phytochemical profile of these under-utilized food legumes haven’t been investigated until now. In this study, colorimetric and high-performance liquid chromatography was employed to explore the antioxidant capacity and phytochemical profile of 21 under-utilized food legumes. Different legumes under investigation exhibit a wide range of variations in their total phenolic content (TPC), total flavonoids content (TFC) and condensed tannins content (CTC). Among all the legume samples, the velvet bean from Hechi, Guangxi exhibited the highest antioxidant capacity while the white flat bean from Shangrao, Shanxi presented the least antioxidant capacity. Gallic acid was observed to be a major phenolic acid and its content in the velvet bean was significantly higher compared to the other legume samples explored in this study. The composition of flavonoids was different among all the legumes. Kaempferol was observed to be the most predominant flavonoid. The findings of this study will be beneficial for plant breeders, food scientists and consumers for the better selection of germplasm with a high level of phytochemicals that in turn possess maximum health benefits.
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Affiliation(s)
- Yaqian Zhang
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China;
- Food Science and Technology Program, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (M.M.); (B.X.)
| | - Maninder Meenu
- Food Science and Technology Program, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (M.M.); (B.X.)
| | - Hansong Yu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China;
- Correspondence: ; Tel.: +86-133-3176-0468
| | - Baojun Xu
- Food Science and Technology Program, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (M.M.); (B.X.)
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Xu Z, Meenu M, Chen P, Xu B. Comparative Study on Phytochemical Profiles and Antioxidant Capacities of Chestnuts Produced in Different Geographic Area in China. Antioxidants (Basel) 2020; 9:antiox9030190. [PMID: 32106518 PMCID: PMC7139719 DOI: 10.3390/antiox9030190] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 02/21/2020] [Accepted: 02/22/2020] [Indexed: 11/16/2022] Open
Abstract
This study aimed to systematically assess the phenolic profiles and antioxidant capacities of 21 chestnut samples collected from six geographical areas of China. All these samples exhibit significant differences (p < 0.05) in total phenolic contents (TPC), total flavonoids content (TFC), condensed tannin content (CTC) and antioxidant capacities assessed by DPPH free radical scavenging capacity (DPPH), ABTS free radical scavenging capacities (ABTS), ferric reducing antioxidant power (FRAP), and 14 free phenolic acids. Chestnuts collected from Fuzhou, Jiangxi (East China) exhibited the maximum values for TPC (2.35 mg GAE/g), CTC (13.52 mg CAE/g), DPPH (16.74 μmol TE/g), ABTS (24.83 μmol TE/g), FRAP assays (3.20 mmol FE/100g), and total free phenolic acids (314.87 µg/g). Vanillin and gallic acids were found to be the most abundant free phenolic compounds among other 14 phenolic compounds detected by HPLC. Overall, the samples from South China revealed maximum mean values for TPC, CTC, DPPH, and ABTS assays. Among the three chestnut varieties, Banli presented prominent mean values for all the assays. These finding will be beneficial for production of novel functional food and developing high-quality chestnut varieties.
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Affiliation(s)
- Ziyun Xu
- Food Science and Technology Programme, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (Z.X.); (M.M.); (P.C.)
- Department of Food Science and Agricultural Chemistry, McGill University, Quebec, QC H9X 3V9, Canada
| | - Maninder Meenu
- Food Science and Technology Programme, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (Z.X.); (M.M.); (P.C.)
| | - Pengyu Chen
- Food Science and Technology Programme, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (Z.X.); (M.M.); (P.C.)
| | - Baojun Xu
- Food Science and Technology Programme, Beijing Normal University-Hong Kong Baptist University United International College, Zhuhai 519087, China; (Z.X.); (M.M.); (P.C.)
- Correspondence: ; Tel.: +86-7563620636; Fax: +86-7563620882
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Meenu M, Cai Q, Xu B. A critical review on analytical techniques to detect adulteration of extra virgin olive oil. Trends Food Sci Technol 2019. [DOI: 10.1016/j.tifs.2019.07.045] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Hou D, Yousaf L, Xue Y, Hu J, Wu J, Hu X, Feng N, Shen Q. Mung Bean ( Vigna radiata L.): Bioactive Polyphenols, Polysaccharides, Peptides, and Health Benefits. Nutrients 2019; 11:E1238. [PMID: 31159173 PMCID: PMC6627095 DOI: 10.3390/nu11061238] [Citation(s) in RCA: 134] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 05/25/2019] [Accepted: 05/28/2019] [Indexed: 02/07/2023] Open
Abstract
Mung bean (Vigna radiata L.) is an important pulse consumed all over the world, especially in Asian countries, and has a long history of usage as traditional medicine. It has been known to be an excellent source of protein, dietary fiber, minerals, vitamins, and significant amounts of bioactive compounds, including polyphenols, polysaccharides, and peptides, therefore, becoming a popular functional food in promoting good health. The mung bean has been documented to ameliorate hyperglycemia, hyperlipemia, and hypertension, and prevent cancer and melanogenesis, as well as possess hepatoprotective and immunomodulatory activities. These health benefits derive primarily from the concentration and properties of those active compounds present in the mung bean. Vitexin and isovitexin are identified as the major polyphenols, and peptides containing hydrophobic amino acid residues with small molecular weight show higher bioactivity in the mung bean. Considering the recent surge in interest in the use of grain legumes, we hope this review will provide a blueprint to better utilize the mung bean in food products to improve human nutrition and further encourage advancement in this field.
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Affiliation(s)
- Dianzhi Hou
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Laraib Yousaf
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Yong Xue
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Jinrong Hu
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Jihong Wu
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Xiaosong Hu
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
| | - Naihong Feng
- Institute of Economic Crops, Shanxi Academy of Agricultural Sciences, Fenyang 032200, China.
| | - Qun Shen
- Key Laboratory of Plant Protein and Grain Processing, National Engineering and Technology Research Center for Fruits and Vegetables, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
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22
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Lu Y, Chang X, Guo X. Dynamic Changes of Ascorbic Acid, Phenolics Biosynthesis and Antioxidant Activities in Mung Beans ( Vigna radiata) until Maturation. PLANTS (BASEL, SWITZERLAND) 2019; 8:E75. [PMID: 30934563 PMCID: PMC6473823 DOI: 10.3390/plants8030075] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/13/2019] [Accepted: 03/22/2019] [Indexed: 11/17/2022]
Abstract
To better understand the regulatory mechanism of phenolics and ascorbic acid accumulation as well as antioxidant activities in mung beans during legume development, the gene expression profiles of 25 key-coding genes in ascorbic acid and phenolics metabolic pathways were analyzed. As well as the dynamitic changes of ascorbic acid, phenolic profiles and antioxidant activities with legume development were studied. The results indicated that gene expression profiles were closely related to the ascorbic acid and phenolics accumulation regularity during legume development. VrVTC2 and VrGME played important roles for ascorbic acid accumulation from 8 to 17 days after flowering (DAF). VrPAL and VrCHS exhibited positive correlations with daidzein and glycitin accumulation, and VrIFS had a strong positive correlation with glycitin biosynthesis. Antioxidant activities dramatically increased during mung bean maturing, which were significantly related to ascorbic acid and phenolics accumulation. Eight days after flowering was the essential stage for ascorbic acid and phenolics biosynthesis in mung beans.
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Affiliation(s)
- Yanyan Lu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China.
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China.
| | - Xiaoxiao Chang
- Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China.
- Key laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (MOA), Guangzhou 510640, China.
- Guangdong Province Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou 510640, China.
| | - Xinbo Guo
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China.
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510641, China.
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23
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Application of vibrational spectroscopy for classification, authentication and quality analysis of mushroom: A concise review. Food Chem 2019; 289:545-557. [PMID: 30955647 DOI: 10.1016/j.foodchem.2019.03.091] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 03/14/2019] [Accepted: 03/18/2019] [Indexed: 01/16/2023]
Abstract
Chemical compositions of mushrooms are greatly dependent on the geographical region, and also the different parts of the same mushroom have different chemical constitutions. Several chemical methods are employed for quality control of mushrooms. However, these methods are destructive, require skilled personnel and are time consuming. To overcome these limitations researchers are aiming for vibrational spectroscopic techniques. This review is focused on various studies related to the application of vibrational spectroscopy for classification, authentication and quality analysis of mushrooms. It was concluded that vibrational spectroscopy could be efficiently employed for assessing the quality, authenticity and geographical origin of the mushrooms. Fourier-transform infrared (FTIR) and near infrared (NIR) spectroscopy were the most explored, whereas, Raman spectroscopy is the least explored technique in this field. Compact and cost-effective spectrometers based on the selective wavelengths have to be designed and installed at commercial and industrial level for rapid quality control of mushrooms.
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Development of a non-destructive method for wheat physico-chemical analysis by chemometric comparison of discrete light based near infrared and Fourier transform near infrared spectroscopy. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2018. [DOI: 10.1007/s11694-018-9870-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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