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

被引：0
作者：
Zhou, Jiexin [1 ]
Ma, Yanli [2 ]
Jia, Yijia [1 ]
Pang, Mingjie [3 ,4 ]
Cheng, Guiguang [1 ]
Cai, Shengbao [1 ]
机构：
[1] Kunming Univ Sci & Technol, Yunnan Inst Food Safety, Kunming 650500, Yunnan, Peoples R China
[2] Hebei Agr Univ, Coll Food Sci & Technol, Baoding 071001, Hebei, Peoples R China
[3] Kunming Univ Sci & Technol, Peoples Hosp Yunnan Prov 1, Kunming, Yunnan, Peoples R China
[4] Kunming Univ Sci & Technol, Affiliated Kunhua Hosp, Kunming, Yunnan, Peoples R China
来源：
FOOD CHEMISTRY | 2019年 / 288卷
基金：
中国国家自然科学基金;
关键词：
Antioxidant activity; Cytoprotection; Oil palm fruits; Phenolics; Ultra-high pressure treatment; UHPLC-ESI-HRMS/MS; INSOLUBLE-BOUND PHENOLICS; HIGH HYDROSTATIC-PRESSURE; INHIBITORY-ACTIVITIES; OXIDATIVE STRESS; LENTIL CULTIVARS; SATIVA L; BIOACCESSIBILITY; POLYPHENOLS; EXTRACTION; FLAVONOIDS;
D O I：
10.1016/j.foodchem.2019.03.002
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
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.
引用
收藏
页码：68 / 77
页数：10
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