Comparison of Different Extraction Methods for Flavonoids and Polyphenols from Manilkara Zapota Leaves and Evaluation of Antioxidant Activity
文献类型: 外文期刊
作者: Ma, Fei-Yue 1 ; Zhang, Xiu-Mei 1 ; Liu, Yu-Ge 1 ; Fu, Qiong 1 ; Ma, Zhi-Ling 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci, South Subtrop Crop Res Inst, Minist Agr, Key Lab Trop Fruit Biol, Zhanjiang 524091, Guangdong, Peoples R China
关键词: Manilkara zapota leaves;Total phenols;Total flavonoids;Antioxidant activity
期刊名称:PROCEEDINGS OF THE 2015 INTERNATIONAL SYMPOSIUM ON ENERGY SCIENCE AND CHEMICAL ENGINEERING (ISESCE 2015)
ISSN: 2352-5401
年卷期: 2016 年 45 卷
页码:
收录情况: SCI
摘要: In the present research, a comparative study was conducted between heat reflux extraction (HRE), ultrasonic-assisted enxtraction (UAE) and negative pressure cavitation extraction (NPCE) for extract total phenols and total flavonoids from Manilkara zapota leaves. Single-factor experiments were applied to optimize the operating parameters of different extraction method. The optimum parameters were: HRE, extract temperature 70 degrees C, 50% ethanol, liquid/solid ratio 30:1, extract time 2h. Furthermore, the antioxidant activities of extracts from HRE, UAE and NPCE were 0.110, 0.094, 0.164 mg/mL (IC50), according to the DPPH radical-scavenging assay.
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