Method for producing single-cell protein feed by utilizing bean product waste water

A single-cell protein, soybean product wastewater technology, applied in animal feed, animal feed, application, etc., can solve the restriction of popularization and application, waste of water-soluble protein, oil, total sugar, water-soluble vitamins, and reduce the COD quality of soybean product wastewater Concentration and other issues to achieve the effect of reducing environmental pollution

Inactive Publication Date: 2013-05-15
SHANGHAI QINGMEI GREEN FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] After the soy product wastewater is collected, it generally enters the sewage treatment plant of the food factory for treatment. After the treatment, the environment is treated, but a large amount of water-soluble protein, oil, total sugar, and water-soluble vitamins in the wastewater are also wasted.
In order to recover the renewable material resources in soybean product wastewater, membrane separation technology is currently used to separate oligosaccharides and proteins in wastewater. However, the high operating costs caused by membrane replacement and cleaning make the economic benefits

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] The first step, production and seed production Transfer the Geotrichum candidum, Candida utilis, and photosynthetic bacteria that have been screened by the bacteria production test into eggplant bottles equipped with PDA agar medium, wort medium, and photosynthetic bacteria medium. , incubate at 30-35°C for 45-50 hours, take it out when the surface of the eggplant bottle is covered with a lawn, and turn white with yellow, and then store in a refrigerator at 2-6°C;

[0026] The second step, liquid high-speed culture of bacteria

[0027] (1) Weigh the bacteria cultured in step 1 according to the following weight percentages: 35% of Candida utilis, 25% of photosynthetic bacteria, and 40% of Geotrichum candidum;

[0028](2) Compound culture of strains: Put the strains weighed above into the medium with the following proportions at a ratio of 1:6: 15% molasses, 3% peptone, 4% corn flour, 0.5% sodium chloride, yeast Paste 0.5%, Magnesium Phosphate 0.05%, Potassium Dihydrogen...

Embodiment 2

[0035] The first step, production and seed production are the same as in Example 1

[0036] The second step, liquid high-speed culture of bacteria

[0037] (1) Weigh the bacteria cultured in step 1 according to the following weight percentages: 34% of Candida utilis, 22% of photosynthetic bacteria, and 34% of Geotrichum candidum;

[0038] (2) Compound culture of strains: put the strains weighed above into the medium with the following ratio at a ratio of 1:10: 15% molasses, 3% peptone, 4% corn flour, 0.5% sodium chloride, yeast Paste 0.5%, Magnesium Phosphate 0.05%, Potassium Dihydrogen Sulfate 0.05%, Sterile Water 77.4%. Put it into a fermentation tank for cultivation, the stirring speed is 200r / min-240r / min, the cultivation temperature is 28°C, the ventilation rate is 1:0.6, the fermentation time is 18-20 hours, and the fermentation ends when the pH value reaches 4.5-6;

[0039] The third step is soybean product wastewater deep liquid culture

[0040] Culture medium prepa...

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PUM

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Abstract

The invention provides a method for producing a single-cell protein feed by utilizing bean product waste water. A modern microorganism fermentation technology is adopted, and through the steps of high-speed strain liquid culture, deep layer liquid culture of the bean product waste water and the like, a great amount of yellow serofluid, bean soaking water, soybean whey waste water and the like generated in bean product production by utilizing a plurality of target microorganisms of mycete, fungi and bacteria are subjected to a deep layer liquid fermentation technology to produce a protein feed rich in single-cell protein and various biological metabolism enzymes, so that the requirement of increasing protein feeds can be met, and the method for producing the single-cell protein feed by utilizing bean product waste water is a novel technology which turns waste into wealth, and reduces the environment pollution caused by food processing waste water greatly.

Description

technical field [0001] The invention relates to a process for producing single-cell protein feed using soybean product wastewater. The fermented feed also contains various probiotics, biological enzymes and biological activities that are beneficial to the digestion and absorption capacity of livestock and poultry, and improve immunity and cold stress resistance. A substance belongs to the technical field of agricultural products. Background technique [0002] Soy products are food processed from soybeans, mung beans, peas, broad beans and other beans as the main raw materials. The soy milk, soy milk, and tofu that everyone is most familiar with every day are the representatives. Soybean processing generally involves steps such as bean soaking, grinding, separation, slag washing, and solidification. A large amount of water is consumed or used in each link. Therefore, there is an old saying "tofu is made of water", "three Divide soybeans into seven parts of water", my country...

Claims

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Application Information

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IPC IPC(8): A23K1/00A23K1/16
Inventor 沈建华李立袁辉
Owner SHANGHAI QINGMEI GREEN FOOD
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