Wet state yeast culture movable fermentation method with distillers grains as raw materials
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A yeast culture and mobile fermentation technology, applied in the field of bioengineering, can solve the problems of accumulation and corruption, poor utilization, environmental pollution, etc., and achieve the effects of low cost, easy parameter control, and high fermentation efficiency and quality.
Inactive Publication Date: 2015-10-21
江苏益元泰生物技术有限公司
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Problems solved by technology
At present, only a small part of distiller's grains are used for ruminants, and most...
Method used
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Embodiment 1
[0037] 1600kg of distiller's grains, 100kg of bran, 100kg of soybean meal, brewing active dry yeast (the specification is 2×10 10 cfu / g) 1kg, add 10kg of warm water containing 1% sucrose to activate for 30 minutes, protease (50000μ / g) 0.2kg, cellulase (50000μ / g) 0.2kg, molasses 20k, mix well, pack Put it into a breathing bag, control the temperature at 32°C to ferment for 36 hours, continue to pile up and heat up, control the temperature to 50°C for 24 hours, and then pack it into the product.
Embodiment 2
[0039] 1500kg of distiller's grains, 100kg of bran, 150kg of soybean meal, brewing active dry yeast (the specification is the effective number of viable bacteria 2×10 10 cfu / g) 1.2kg, add 12kg of warm water containing 1.5% sucrose to activate for 30 minutes, protease (50000μ / g) 0.3kg, cellulase (50000μ / g) 0.2kg, molasses 30k, mix well, Put it into a breathing bag, control the temperature at 30°C to ferment for 24 hours, continue to pile up and heat up, control the temperature to 45°C for 36 hours, and then pack it into the product.
Embodiment 3
[0041] 1800kg distiller's grains, 50kg bran, 50kg soybean meal, brewer's active dry yeast (the specification is 2×10 10 cfu / g) 2kg, add 20kg of warm water containing 2% sucrose to activate for 30 minutes, protease (50000μ / g) 0.1kg, cellulase (50000μ / g) 0.1kg, molasses 40k, mix well, pack Put it into a breathing bag, control the temperature at 35°C to ferment for 36 hours, continue to pile up and heat up, control the temperature to 50°C for 24 hours, and then pack it into the product.
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Abstract
A wet state yeast culture movable fermentation method with distillers grains as raw materials comprises the following steps of batching, activation of culture, inoculation mixing, temperature-controlled fermentation, enzymolysis wall breaking and product postprocessing. The product postprocessing comprises inspection, packaging and finished products. The method adopts the bacterium and enzyme synergetic fermentation and enzymolysis technology with microzyme, protease and cellulose combined, the technology is good in stability and free of mold pollution, and products are safe. A two-step method temperature control technology is adopted, the number of microzyme is large after cultivating, enzymolysis is thorough, yeast wall breaking is sufficient, and the nutritive value is higher. The content of coarse fibers is more than 30% lower than conventional distillers grains and like products, the current situation that the conventional distillers grain products is only suitable for cud chewers is avoided, the using aspects of products are broadened, and market expansion is facilitated.
Description
technical field [0001] The invention relates to a method for producing wet yeast culture for feeding by using distiller's grains as a raw material through a synergistic process of fermentation and enzymatic hydrolysis, and belongs to the technical field of bioengineering. Background technique [0002] Wet yeast culture is a kind of micro-ecological preparation, mainly Saccharomyces cerevisiae, which is processed under the control of modern fermentation technology by combining liquid and solid state or directly fermenting on solid medium together with solid substrate. This product does not contain a large amount of active yeast. Yeast is only a tool in the production of yeast culture products. Whether it survives in the final product will not affect the use effect of the product. Its main active ingredients are extracellular metabolites produced by yeast fermenting solid substrates, solid substrates denatured after fermentation, yeast cell contents and yeast cell walls. The...
Claims
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Application Information
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