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Effect of Chemical Treatment on the Phenolic Content in Pineapple Leaf Fiber (PALF)

文献类型： 外文期刊

作者： Wang, Ze 1 ; Cui, Lihong 1 ; Tang, Bing 3 ; Wang, Fei 1 ; Li, Jihua 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Zhanjiang 524001, Peoples R China

2.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Peoples R China

3.Chinese Acad Trop Agr Sci, Spice & Beberage Res Inst, Wanning 571533, Peoples R China

关键词： chemicaltreatment;phenols;pineapple leaf fiber;PALF

期刊名称：PROCEEDINGS OF THE 2016 5TH INTERNATIONAL CONFERENCE ON SUSTAINABLE ENERGY AND ENVIRONMENT ENGINEERING (ICSEEE 2016)

ISSN： 2352-5401

年卷期： 2016 年 63 卷

页码：

收录情况： SCI

摘要： Chemical pretreated pineapple leaf fiber (PALF) can be most widely used in many industries. Since no information on the bioactive compounds in PALF is currentlyavailable, the aim of this study was to assess the effect of chemical treatment on the phenolic content of PALF extracts. The phenolic contentsand antioxidant properties of PALF extracts were determined as free radical-scavenging ability of DPPH andusing the ABTS radical cation decolorization assay.. The important variables in chemical treatment process including temperature, time and acid/alkali concentration were investigated. According to the results, the optimal pickling condition was 10 g/L H2SO4 at 55 degrees for 40 minutes and the optimal alkali boiling condition was 5 g/L NaOH at 50 degrees for 60 minutes. Under the optimal condition, the free phenolic content of PALF was up to 0.2855 mgGAE/gDW.

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