Optimization of Extraction Conditions of Areca Seed Polyphenols and Evaluation of Their Antioxidant Activities
文献类型: 外文期刊
第一作者: Zhang, Wei-Min
作者: Zhang, Wei-Min;Chen, Wen-Xue;Han, Lin;Zhang, Hai-De;Huang, Wu-Yang
作者机构:
关键词: antioxidant activities;Areca catechu L.;extraction;polyphenols
期刊名称:MOLECULES ( 影响因子:4.411; 五年影响因子:4.587 )
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收录情况: SCI
摘要: Polyphenols are functional compounds in plants, which possess many bioactivities beneficial for humans. The aim of this study was to establish a highly efficient method for extracting polyphenol compounds from areca seeds and further to identify polyphenols and antioxidant properties of the seeds. A quadratic general rotary unitized design was used to determine the optimal extraction process. The polyphenols were identified using LC-TOF-MS. By comparison with ascorbic acid (Vc), the antioxidant activities of the ethanol extracts were evaluated using three complementary in vitro assays: inhibition of the DPPH (1,1-diphenyl-2-picrylhydrazyl) radical-scavenging activity, hydroxyl radical-scavenging activity, and reducing ability. The two major polyphenols obtained were epicatechin and syringic acid. The ethanol extracts of areca seeds showed significantly greater antioxidant activity (p < 0.05) than Vc using the DPPH and reducing power assay, but lower ability (p < 0.05) using the hydroxyl radical assay. The results indicate that the areca seed is an excellent food material with potential antioxidant properties.
分类号: O62
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