Washing powder
A technology of washing powder and builder, applied in the field of sanitary products, can solve the problems of increasing product competitiveness, reducing production cost, high price, etc., and achieving the effects of low cost, convenient use and excellent washing ability
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[0031] strain mutagenesis
[0032] The method of ultraviolet mutagenesis was adopted: CICC10023 was used as the starting strain to make a bacterial suspension, which was spread on a medium plate, and cultured in a 37°C incubator after ultraviolet irradiation for 90s.
[0033] Strain screening
[0034] Pick 30 strong single colonies from a 90s plate, inoculate them on a slant, culture them in a 37°C incubator for 24 hours, and store them in a refrigerator at 0-4°C; use the original strains as a control, and adopt conventional breeding conditions. Sodium carboxymethyl cellulose was used as a carbon source and proteolytic circle method to screen the strains with strong cellulase and protease production, and the strain Bacillus subtilis L1 with strong cellulase and protease production was screened, and this strain produced cellulose Enzyme ability increased by 25% compared with the original strain, and protease production ability increased by 52% compared with the original strain...
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