Preparation method for dedicated soybean paste leavening agent
A technology of starter and soy sauce, which is applied in the field of preparation of special starter for soy sauce, can solve the problems of miscellaneous strains, incomplete enzyme system, and difficulty in product quality assurance, and achieve shortened fermentation time, simple production process, and safe product quality Effect
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[0009] Example one:
[0010] Starter A: Medium components ( w / w ), soybean meal powder 90%, bran 10%, adjusted moisture 60%, 0.1MPa damp heat sterilization for 30 minutes, respectively inoculate Aspergillus oryzae, Aspergillus niger, Natto bacteria, the inoculation amount is 4.0% ( v / w ), the ratio is controlled 2:1:1, cultivated at 30°C for 72 hours, after the spores or spores are formed, that is, low-temperature drying (such as freeze-drying), inspection, aseptic metering and packaging, and finished products.
[0011] Starter B: Medium components ( w / w ), 10°wort, 0.075MPa sterilization for 20 minutes, inoculation of ester-producing yeast, inoculation amount 1.0% ( v / v ), cultured at 28°C for 24 hours. After the culture is completed, the cells are collected by centrifugation, low-temperature drying (such as freeze-drying), inspection, sterile metering and packaging, and finished products.
Example Embodiment
[0012] Embodiment two:
[0013] Starter A: Medium components ( w / w ), soybean meal powder 80%, bran 20%, adjusted moisture 70%, 0.1MPa damp heat sterilization for 30 minutes, respectively inoculated with Aspergillus oryzae, Aspergillus niger, Natto bacteria, inoculation amount 3.0% ( v / w ), the ratio is controlled 1:1:1, cultured at 32°C for 60 hours, after the spores or spores are formed, that is, low-temperature drying (such as freeze-drying), inspection, aseptic metering and packaging, and finished products.
[0014] Starter B: Medium components ( w / w ), 8°wort, 0.075MPa sterilization for 20 minutes, inoculation of ester-producing yeast, inoculation amount 0.8% ( v / v ), incubate at 28°C for 30h. After the culture is completed, collect the bacteria by centrifugation, dry at low temperature (such as freeze-dry), test, sterile metering packaging, and finished product.
Example Embodiment
[0015] Embodiment three:
[0016] Starter A: Medium components ( w / w ), soybean meal powder 70%, bran 30%, moisture adjusted 50%, 0.1MPa damp heat sterilization for 30 minutes, respectively inoculated with Aspergillus oryzae, Aspergillus niger and Natto bacteria, the inoculation amount is 2.0% ( v / w ), the ratio is controlled 1:2:1, cultivated at 35℃ for 48 hours, after the spores or spores are formed, it is dried at low temperature (such as freeze-drying), inspected, sterile metered packaging, finished product.
[0017] Starter B: Medium components ( w / w ), 12°wort, 0.075MPa sterilization for 20 minutes, inoculation of ester-producing yeast, inoculation volume 1.5% ( v / v ), cultured at 28°C for 24 hours. After the culture is completed, the cells are collected by centrifugation, low-temperature drying (such as freeze-drying), inspection, sterile metering and packaging, and finished products.
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