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Study on total phenolic content and antioxidant activity of ethanol extraction from the leaves of Vatica mangachampoi
Author(s): 
Pages: 283-286
Year: Issue:  5
Journal: Food Science and Technology

Keyword:  青梅 流动注射化学发光 抗氧化性 多酚 紫外分光光度法;
Abstract: 采用紫外分光光度法,以焦性没食子酸为标准品,在波长540nm处,对青梅叶提取物中总多酚类化合物含量进行了测定,并用流动注射化学发光法研究了青梅叶的抗氧化性能。实验结果表明:青梅叶中总多酚含量达0.8914%,标准曲线的回归方程Y=16.76X-0.0948,r=0.9997,RSD=0.745%(n=5);青梅叶具有较强的自由基清除能力,其IC50为0.023mg/mL。
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