Study on the influencing factors of fermentation of Antarctic krill shells with Bacillus subtilis B-1

CHEN Xue-jiao; JIANG Qi-xing; XU Yan-shun; LIU Fu-jun; XIAO Cheng-li; XU Zhao-bin; XIA Wen-shui

doi:10.13386/j.issn1002-0306.2014.21.011

CHEN Xue-jiao, JIANG Qi-xing, XU Yan-shun, LIU Fu-jun, XIAO Cheng-li, XU Zhao-bin, XIA Wen-shui. Study on the influencing factors of fermentation of Antarctic krill shells with Bacillus subtilis B-1[J]. Science and Technology of Food Industry, 2014, (21): 94-97. DOI: 10.13386/j.issn1002-0306.2014.21.011

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Study on the influencing factors of fermentation of Antarctic krill shells with Bacillus subtilis B-1

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Bacillus subtilis B-1 was used as fermentation strains to hydrolyze protein from Antarctic krill shells in this study.Further to remove protein from krill shell waste, the variation rules of protease activity of Bacillus subtilis B-1and the optimized condition of deproteinization in the process of fermentation were analyzed. The result showed that the best fermentation conditions were 72 h, 37℃, 4% of inoculums quanity and 1 ∶ 3 of the ratio of material to liquid.Liquid phase fermentation of krill shell waste showed protein removal of 88.9%.

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Study on the influencing factors of fermentation of Antarctic krill shells with Bacillus subtilis B-1

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