英语翻译目的:对影响紫背天葵中多糖的提取工艺因素进行系统考察.方法:通过单因素实验,以多糖提取率作为指标,分别考察了醇沉
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Purpose: the influence TianKui polysaccharide in purple back the extraction technology of factors on systematic investigation. Methods: by single factor experiment, with polysaccharide extraction as indicators, the author examines the alcohol sink concentration, extraction temperature, extracting time for extraction efficiency influence, and choose ethanol concentration (A), extraction temperature (B), extracting time (C) three factors of orthogonal test design. Results: the primary and secondary factors of impact polysaccharide 1.4%of > > C for A B, namely ethanol concentration extraction temperature > > extraction time, best extraction process for: A2B2C2. Namely: in 80 ℃ under 3 h and 80 percent ethanol extract precipitate. Conclusion: the method and the best extraction process conditions for the development of purple back TianKui polysaccharide provides scientific basis.