Method for preparing high protein feed by tea leaves and its product

A technology of high-protein feed and tea dregs, which is applied in the field of high-protein feed preparation, and achieves the effects of being conducive to industrial production, simple process steps, and less toxic and side effects

Inactive Publication Date: 2014-02-19
SUZHOU POLYTECHNIC INST OF AGRI
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Problems solved by technology

The comprehensive utilization of biomass such as medicinal dregs is a worldwide problem. At present, most of the domestic medicinal dregs are landfilled, and a small part is used as feed and fertilizer, which causes seri

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  • Method for preparing high protein feed by tea leaves and its product

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Embodiment 1-7

[0021] To produce high-protein feed with tea residue as raw material, the process steps are as follows:

[0022] (1) Pretreatment of tea residue.

[0023] Firstly, dry the tea leaves under normal pressure and 40-60°C, the time is limited when the tea leaves are in an easily crushed state, and then crush the dried tea leaves into a solid substance with a particle size of 40 mesh.

[0024] (2) Ingredients and mixing.

[0025] Mix the solid matter in step (1) and water according to the ratio in Table 1 to form a mixture, and adjust the pH of the mixture with HCl or NaOH.

[0026] (3) Sterilization.

[0027] Sterilize the pH-adjusted mixture in step (2), specifically by using high-pressure steam sterilization with a steam pressure of 1 atm, a temperature of 121°C, and a time of 30 minutes.

[0028] (4) Fermentation.

[0029] The sterilized mixed material was fermented, and the strains and fermentation process conditions selected for fermentation are shown in Table 1.

[0030...

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Abstract

The invention relates to a method for preparing high protein feed by tea leaves, which is characterized by comprising the following steps: drying and crushing the tea leaves to obtain solid state substance; 2) burdening the solid state substance and water according to weight ratio of 1:3 to 1:5, mixing to obtain a mixture, wherein the pH value of the mixture is controlled at 4.5-6.0; 3) performing disinfection to the mixture prepared in the step 2); 4) inoculating the mixture after the disinfection by bacterial classification according to 10%-20% of inoculation amount, wherein the fermentation condition is characterized in that the pressure is normal pressure, the temperature is 30-37 DEG C, the fermentation period is 4-7 days; and 5) drying after fermentation to obtain the high protein feed. According to the invention, the waste tea leaves can be fully used, so that the pollution of the waste tea leaves on environment can be reduced, and feed with low cost can be provided for livestock and poultry. According to the invention, the process is simple, the production cycle is short, and the preparation method is in favor of industrial production. The produce has the advantages of no pollution, less toxic and side effect, high protein content and low cellulose content.

Description

technical field [0001] The invention relates to the field of feed processing, in particular to a preparation method of high-protein feed. Background technique [0002] There are two main sources of tea residue in my country: one is the tea residue formed after the industrial extraction of tea polyphenols and other biochemical components; the other is the tea residue formed in the tea beverage industry. The comprehensive utilization of biomass such as medicinal dregs is a worldwide problem. At present, most of the domestic medicinal dregs are landfilled, and a small part is used as feed and fertilizer, which causes serious environmental problems such as sewage and odor. The other part of the medicinal dregs is dangerous. Waste, the state has separate regulations on hazardous waste treatment, and the requirements are relatively strict. [0003] The tea dregs formed by the beverage industry are rich in nutrients. Tea dregs (instant tea dregs) refer to the residue after extrac...

Claims

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Application Information

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IPC IPC(8): A23K1/14A23K1/00A23K1/16
Inventor 余雁
Owner SUZHOU POLYTECHNIC INST OF AGRI
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