ANTHOCYANINS EXTRACTED FROM RAMBUTAN (NEPHELIUM LAPPACEUM L.) PERICARP TISSUES AS POTENTIAL NATURAL ANTIOXIDANTS
文献类型： 外文期刊
作者： Sun, Jian 1 ; Peng, Hongxiang 1 ; Su, Weiqiang 1 ; Yao, Jinyan 1 ; Long, Xing 1 ; Wang, Jubing 2 ;
作者机构： 1.Guangxi Acad Agr Sci, Inst Hort Res, Nanning 530007, Peoples R China
2.Guangxi Tech Instruct Gen Off Fruit Prod, Nanning 530022, Peoples R China
期刊名称：JOURNAL OF FOOD BIOCHEMISTRY （ 影响因子：2.72； 五年影响因子：2.543 ）
ISSN： 0145-8884
年卷期： 2011 年 35 卷 5 期
页码：
收录情况： SCI
摘要： In the present study, anthocyanins were extracted from rambutan pericarp tissue (RPT) with 80% ethanol and 1% acetic acid. The crude extracts were chromatographically purified using a silica gel column and an Amberlite XAD-7 resin column. After purification, the total anthocyanin content in the extracts was about 181.3 mg/100 g of fresh RPT. The extracts were stable under low pH conditions (pH 1 and 3). However, the extracts of rambutan anthocyanins (RAcy) degraded at higher temperature. Further, assays of the reducing power, the activity against lipid peroxidation and the ability to scavenge 1,1-diphenyl-2-picrylhydrazyl (DPPH), superoxide anion and hydroxyl radicals showed that the RAcy extracts possessed antioxidant activity, indicating that RPT is a good source of natural antioxidants. It can be utilized as health-beneficial compounds rather than just be discarded as agricultural waste.
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