Complex medium for producing functional red yeast rice and preparation method and fermentation method thereof
A technology of functional red yeast rice and culture medium, applied in the direction of microorganism-based methods, biochemical equipment and methods, fermentation, etc., can solve unfavorable heat dissipation, ventilation, mass transfer and heat transfer, restrict the development of functional red yeast rice industry, and solid culture Problems such as base agglomeration can be avoided, and the effects of rapid growth, improved fermentation effect and product quality, and short fermentation cycle can be achieved.
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[0023] Example 1: The raw material ratio and preparation method of the composite medium for producing functional red yeast rice and the fermentation method of the functional red yeast rice using the composite medium are as follows.
[0024] Weigh indica rice, oats, and soybeans and crush them through a 40-mesh sieve. Mix 2000g powder at the ratio of 24wt% indica rice flour, 42wt% oat flour, and 34wt% soybean flour; according to sucrose 38g / L, yeast powder 5g / L, beef bones The content of peptone 5g / L, compound amino acid 1g / L, magnesium sulfate 2g / L, sodium nitrate 1g / L (that is, the number of grams of raw materials contained in the nutrient solution per liter) and water to configure 700mL nutrient solution, use acidity regulator glacial acetic acid Adjust the pH to 3.5, mix the powder and nutrient solution at a weight ratio of 1:0.35, mix the nutrient solution and powder evenly, control the granulation temperature at 55℃, the particle size of 3mm, and the particle length of 2mm, a...
Example Embodiment
[0025] Example 2: The raw material ratio and preparation method of the composite medium for producing functional red yeast rice and the fermentation method of functional red yeast rice using the composite medium are as follows.
[0026] Weigh indica rice, oats, and soybeans and crush them through a 40-mesh sieve. Mix 4000g powder at the ratio of 38wt% indica rice flour, 55wt% oat flour, and 7wt% soybean flour; 76g / L sucrose, 12g / L yeast powder, beef bones The content of peptone 12g / L, compound amino acid 5g / L, magnesium sulfate 5g / L, sodium nitrate 5g / L is prepared with 2200mL nutrient solution with water, and pH is adjusted to 4.5 with acidity regulator malic acid, and the powder and nutrient solution are in a weight ratio The ratio is 1:0.55, the nutrient solution and the powder are mixed evenly, the granulation temperature is 90℃, the particle size is 5mm, the particle length is 8mm, and the granules with a hardness of 6.5kg are made by the ring die granulation equipment; The ...
Example Embodiment
[0027] Example 3: The raw material ratio and preparation method of the composite medium for producing functional red yeast rice and the fermentation method of functional red yeast rice using the composite medium are as follows.
[0028] Weigh indica rice, oats, and soybeans and crush them through a 70-mesh sieve. Mix 2000g powder at a ratio of 35wt% indica rice flour, 50wt% oat flour, and 15wt% soybean flour; according to sucrose 40g / L, yeast powder 10g / L, beef bones The content of peptone 10g / L, compound amino acid 3g / L, magnesium sulfate 3g / L, and sodium nitrate 3g / L is prepared with 1200mL nutrient solution. The pH is adjusted to 4.0 with acidity regulator citric acid, and the powder and nutrient solution are in a weight ratio The ratio of 1:0.6, mix the nutrient solution and the powder evenly, control the granulation temperature at 75℃, the particle size of 4mm, and the particle length of 4mm. The pellets with a hardness of 4kg are made through the ring die pelletizing equipme...
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