Fetid aspergillic strain and uses
A technology of Aspergillus foetidus and Aspergillus foetidus, which is applied in the field of high-yield α-galactosidase strains, can solve the problems of low enzyme production level, restriction of soybean milk product application, fermentation characteristics of enzyme-producing bacteria, nutritional characteristics and fermentation cost. Research and other issues to achieve the effects of lower production costs, easy application, and high stability
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[0012] 1. Isolation and identification of strains
[0013] 1.1 strain screening
[0014] From fermented soybean products: tempeh, stinky tofu, fermented bean curd, soy sauce fermented grains (collected and fermented for 4 days, 12 days and 60 days respectively) and rotten soybean meal (soaked in water and fermented for 5 days), as well as yeast strains preserved in the laboratory, and less spore roots Mold, Penicillium point, Aspergillus niger, Aspergillus oryzae, and Bacillus natto were screened and used as samples. The fermented soybean products are enriched and cultured with the proliferation medium, and a single colony is picked on the primary screening medium. After cultivating for an appropriate time, the colony showing blue color on the primary screening medium is picked out for re-screening. A strain with high enzyme-producing activity was obtained by re-screening the fermentation and numbered G5, and the enzyme activity reached 22.27U / mL after being cultured at 28°C ...
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