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Phenolic profiles, antioxidant activities and cytoprotective effects of different phenolic fractions from oil palm (Elaeis guineensis Jacq.) fruits treated by ultra-high pressure

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机构: [1]Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming, Yunnan Province 650500, People’s Republic of China [2]College of Food Science and Technology, Hebei Agricultural University, Baoding, Hebei Province 071001, People’s Republic of China [3]The First People’s Hospital of Yunnan Province and the Affiliated Kunhua Hospital of Kunming University of Science and Technology, Kunming, Yunnan Province 650032, People’s Republic of China
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关键词: 4-Coumaric acid (Pubchem CID: 637542) 4-Hydroxybenzoic acid (Pubchem CID: 135) Antioxidant activity Caffeic acid (Pubchem CID: 689043) Catechin (Pubchem CID: 9064) Cytoprotection Ferulic acid (Pubchem CID: 445858) Gallic acid (Pubchem CID: 370) Hesperetin (Pubchem CID: 72281) Kaempferol (Pubchem CID: 5280863) Oil palm fruits Phenolics Protocatechuic acid (Pubchem CID: 72) Syringic acid (Pubchem CID: 10742) UHPLC-ESI-HRMS/MS Ultra-high pressure treatment

摘要:
The present work investigated the phenolic profiles, antioxidant activities, and cytoprotective effects of the free, esterified, and insoluble-bound phenolic fractions from oil palm fruits treated under ultra-high pressure (UHP). Results showed that UHP treatment significantly increased the total phenolic and flavonoid contents of all three phenolic fractions (p < 0.05). A total of 11 and 12 phenolic compounds were detected and quantified in non-treated and UHP-treated fruits, with caffeic acid having the highest concentration in insoluble-bound phenolic fractions with 8.68 and 11.27 mg/g of dry extract, respectively. The antioxidant activities, intracellular reactive oxygen species inhibition, and cytoprotective effects of all three phenolic fractions were dramatically enhanced after UHP pretreatment (p < 0.05). Therefore, UHP-treated oil palm fruits with increased bioactivities could be used in functional food or the nutraceutical industry to enhance their applications and economic value. © 2019 Elsevier Ltd

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出版当年[2019]版:
大类 | 2 区 工程技术
小类 | 1 区 应用化学 1 区 食品科技 1 区 营养学
最新[2023]版:
大类 | 1 区 农林科学
小类 | 1 区 应用化学 1 区 食品科技 1 区 营养学
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第一作者机构: [1]Yunnan Institute of Food Safety, Kunming University of Science and Technology, Kunming, Yunnan Province 650500, People’s Republic of China
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