Method for preparing active dietary fiber by fermenting Racula albicans and Schizophyllum
A technology of Raketodon albicans and Schizophyllum, which is applied in the field of degrading and transforming potato pomace to synthesize active dietary fiber, can solve the problems of failure to fully break, refractory lignocellulose and degrading microorganisms, etc. Effects of immunity, high medical value
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Embodiment 1
[0090] Embodiment 1: a kind of preparation method of albicans albicans PCV1, comprises the following steps:
[0091] The sterile water used for soil in Shennongjia, Hubei Province was divided into 10 -2 ~10 -6 After gradient dilution, spread on potato dextrose agar medium, culture at 25°C for 24 hours, pick out a single colony and dissolve it in 10mL sterile water, and make 10 -2 ~10 -6 Bacterial solution of gradient concentration, each draws 0.15mL in potato dextrose agar medium, cultivates at 25 ℃ for 24 hours, described potato dextrose agar medium is potato 200g, glucose 20g, agar 20g, tap water 1000mL, natural pH; Bacterial colonies were further inoculated in starch degradation selection medium, and cultured at 25°C for 5 days; the starch degradation selection medium was 200g of potatoes, 20g of glucose, 20g of agar, 1000mL of tap water, natural pH, 15g of starch, and 2mL of iodine solution; screening Several strains of fungi with strong starch-degrading ability were ob...
Embodiment 2
[0094] Embodiment 2: a kind of preparation method of albicans albicans PCV1, comprises the following steps:
[0095] The sterile water used for soil in Shennongjia, Hubei Province was divided into 10 -2 ~10 -6 After gradient dilution, spread on potato dextrose agar medium, culture at 25°C for 36 hours, pick out a single colony and dissolve it in 10mL sterile water, and make 10 -2 ~10 -6Bacterial solution of gradient concentration, each draws 0.20mL on potato dextrose agar medium, cultures at 25 ℃ for 48 hours, described potato dextrose agar medium is potato 250g, glucose 25g, agar 25g, tap water 1000mL, natural pH; Bacterial colonies were further inoculated in starch degradation selection medium, and cultured at 25°C for 6 days; the starch degradation selection medium was 250g of potatoes, 25g of glucose, 25g of agar, 1000mL of tap water, natural pH, 20g of starch, and 3mL of iodine solution; Several strains of fungi with strong starch-degrading ability were obtained; then,...
Embodiment 3
[0097] The screening of the effective degrading potato dregs strain: add 60 g water to 100 g wet potato dregs after beating, add fungal strains according to the inoculation amount of 10%, culture at 25°C for 6 days, and detect the liquefaction, starch degradation and cellulose degradation of the culture system situation. Embodiment 3: a kind of preparation method of albicans albicans PCV1, comprises the following steps:
[0098] The sterile water used for soil in Shennongjia, Hubei Province was divided into 10 -2 ~10 -6 After gradient dilution, spread on potato dextrose agar medium, culture at 28°C for 48 hours, pick out a single colony and dissolve it in 10mL sterile water, and make 10 -2 ~10 -6 Bacterial solution of gradient concentration, each draw 0.20mL in potato dextrose agar medium, cultivate 72 hours at 28 ℃, described potato dextrose agar medium is potato 225g, glucose 23g, agar 23g, tap water 1000mL, natural pH; Bacterial colonies were further inoculated in starc...
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