Three phase partitioning for simultaneous purification of aloe polysaccharide and protein using a single-step extraction
文献类型: 外文期刊
第一作者: Tan, Zhi-Jian
作者: Tan, Zhi-Jian;Wang, Chao-Yun;Yi, Yong-Jian;Wang, Hong-Ying;Zhou, Wan-Lai;Tan, Shi-Yong;Tan, Zhi-Jian;Li, Fen-Fang
作者机构:
关键词: Three phase partitioning;Aloe polysaccharide;Aloe protein;Purification
期刊名称:PROCESS BIOCHEMISTRY ( 影响因子:3.757; 五年影响因子:3.665 )
ISSN: 1359-5113
年卷期: 2015 年 50 卷 3 期
页码:
收录情况: SCI
摘要: In this paper, an inexpensive, rapid and efficient three phase partitioning (TPP) technique was used to simultaneously purify aloe polysaccharide (APS) and protein using a single-step extraction. This TPP system is established by adding ammonium sulfate and t-butanol to the crude slurry of aloe powder. APS was extracted in the lower phase, and the protein was extracted in the middle phase. The extraction conditions optimized were mass concentration of ammonium sulfate and t-butanol, temperature and pH. APS was further purified using a dialysis membrane to remove the salt, and its purity was determined. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) was used to analyze aloe protein. TPP is an attractive and potential technique for the purification of APS and protein from Aloe vera L. (C) 2015 Elsevier Ltd. All rights reserved.
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