E3S Web Conf.
Volume 78, 20192018 International Seminar on Food Safety and Environmental Engineering (FSEE 2018)
|Number of page(s)||5|
|Section||Food Safety, Extraction and Food Engineering|
|Published online||15 January 2019|
Orthogonal Optimization of Polysaccharide Extraction from Millet Bran
Department of Food Quality and Safety, College of Management, Shanghai Sanda University , Shanghai
* Corresponding author: firstname.lastname@example.org
This paper investigated the effects of liquid-solid ratio, extraction time, extraction temperature and alkali concentration on the extraction rate of millet bran polysaccharides by the enzymatic hydrolysis and alkaline extraction method, then the L9 (34) orthogonal test was designed to optimize the extraction process according to the single factor experiment.The optimum parameters were obtained as follow: 15:1 liquid-solid ratio, five hours extraction time, 80° extraction temperature, and 0.7 mol/l concentration of sodium hydroxide. The extraction rate of millet bran polysaccharide reached 11.46% through the verification experiments under these conditions,and the RSD was 1.79%. Therefore, it can provide some experimental basis for the scientific research of millet bran polysaccharides in the future.
© The Authors, published by EDP Sciences, 2019
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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