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The Total Phenolic Content and Antioxidant Activity of Coconut Extracts
Author(s): 
Pages: 7389-7390
Year: Issue:  22
Journal: Journal of Anhui Agricultural Sciences

Keyword:  CoconutExtractsAntioxidantTotal phenolic content;
Abstract: [目的]测定椰衣不同提取物的总酚含量,考察椰衣不同提取物的抗氧化活性.[方法]采用不同极性的溶剂对椰衣粉的60%乙醇提物进行萃取,得到石油醚、乙酸乙酯、正丁醇和水等4个提取物,以清除l,l-二苯基-2-三硝基苯肼(DPPH)自由基的能力评价椰衣提取物的抗氧化活性,并采用Folin-Ciocalteu法测定提取物中总酚含量.[结果]椰衣各提取物均有不同程度的抗氧化能力,顺序为正丁醇提取物>乙酸乙脂提取物>水提物>石油醚提取物.[结论]椰衣不同提取物均具有抗氧化能力,其与酚类物质含量基本呈正相关,其乙酸乙酯提取物和正丁醇提取物具有较强的抗氧化活性.
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