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Optimizing the extraction of antibacterial compounds from pineapple leaf fiber

文献类型： 外文期刊

作者： Zhuang, Zhikai 1 ; Zhang, Jin 1 ; Li, Mingfu 1 ; Deng, Ganran 1 ; Ou, Zhongqing 1 ; Lian, Wenwei 1 ; He, Junyan 1 ; Huang 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci CATAS, Trop Agr Machinery Res Inst, Zhanjiang 524091, Guangdong, Peoples R China

关键词： pineapple leaf fiber;antibacterial component;Escherichia coli;orthogonal experiment

期刊名称：OPEN LIFE SCIENCES （ 影响因子：0.938； 五年影响因子：1.154 ）

ISSN： 2391-5412

年卷期： 2016 年 11 卷 1 期

页码：

收录情况： SCI

摘要： Five different solvents (petroleum ether, chloroform, ethyl acetate, acetone, and distilled water) were used to extract antibacterial compounds from pineapple leaf fiber. Compounds extracted using acetone showed the greatest antibacterial effect against Escherichia coli, measured by inhibition zone diameter. Three extraction parameters including temperature, time and solid-liquid ratio were optimized through orthogonal experiment based on single factor investigations for achieving maximum active substance extraction rate and bacteriostatic effect. Results showed that using acetone, the optimum extraction conditions for temperature, time and solid-liquid ratio were 45 degrees C, 8 h, and 1: 40 (g/ml), respectively.

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