JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 35 Issue 1
January 2020
Article Contents
YANG Xu, ZHANG Zhiping, WANG Guanglu, et al. Study on co-production of butanol,phytate,rice bran protein and rice bran dietary fiber with defatted rice bran[J]. Journal of Light Industry, 2020, 35(1): 21-27. doi: 10.12187/2020.01.003
Citation: YANG Xu, ZHANG Zhiping, WANG Guanglu, et al. Study on co-production of butanol,phytate,rice bran protein and rice bran dietary fiber with defatted rice bran[J]. Journal of Light Industry, 2020, 35(1): 21-27. doi: 10.12187/2020.01.003 shu

Study on co-production of butanol,phytate,rice bran protein and rice bran dietary fiber with defatted rice bran

  • Received Date: 2019-07-03
  • Defatted rice bran was taken as material, by high temperature alpha amylase liquefaction, liquid fermentation, acid leaching, alkaline protease hydrolysis and spray drying process, the butanol, phytate, rice bran protein and rice bran dietary fiber were co-produced. The process conditions and physicochemical properties of the products were studied. The results showed that the extraction sequence suitable for defatted rice bran was DRB liquefaction at high temperature,butanal fermentation,phytate, extract rice bran protein and rice bran dietary fiber separation. The mass concentration of butanol in the fermentation broth was up to 14.03 g/L. The extraction rate of phytate was 6.20%, while the content of P2O5 was 39.77%, which fully met the standard of Chinese Pharmacopoeia. The extraction rate of rice bran protein was 12.11%, while the content of total amino acids was 63.32%. The composition of essential amino acids was comparable to that of egg protein, which had low allergy and was suitable for use in children's food. The extraction rate of rice bran dietary fiber was 25.00%, while the content of dietary fiber was 72.00%, which could be added to various health foods as functional food additives.
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