Method for kitchen garbage lactic acid fermentation facilitated by mushroom bran
A technology of food waste and lactic acid fermentation, applied in the direction of microorganism-based methods, fermentation, biochemical equipment and methods, etc., to relieve the pressure of environmental pollution, increase production, and increase the effect of lactic acid production
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[0009] Fermentation experiments were carried out according to Table 1: 50g of kitchen waste, water was added at a solid-to-liquid ratio of 1:1, 4g of CaCO 3 , add corresponding amount of bacterium chaff, pack into a 250ml Erlenmeyer flask, sterilize at 121°C for 30 minutes, insert lactic acid bacteria at 10% of the inoculum size, and ferment for 25 hours at 45°C. Determination of lactic acid content in the product. The results are shown in Table 1. After sterilization, the influence of the bacteria in the chaff is eliminated. The chaff is used as an additive to supplement the nitrogen source, amino acid, and trace elements that lactic acid fermentation lacks, helping lactic acid bacteria convert sugar into lactic acid. Adding 10g of fungus chaff can convert 0.23g of lactic acid per gram of dry waste, which is 2.33 times higher than the fermentation yield without adding fungus chaff.
[0010] experiment
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