Method for separating heteroacid from valine fermentation liquid

A technology of valine and fermented liquid, applied in chemical instruments and methods, preparation of organic compounds, animal feed, etc., can solve problems such as losses, achieve the effects of reducing losses, shortening time, and being suitable for large-scale industrial production

Active Publication Date: 2013-08-07
XINJIANG FUFENG BIOTECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

These useful substances are discharged in vain, causing a lot of losses

Method used

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  • Method for separating heteroacid from valine fermentation liquid

Examples

Experimental program
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Effect test

Embodiment 1

[0057] The breeding test of the feed prepared by embodiment 1

[0058] Choose 150 weaned piglets one month old, be divided into two groups on average, wherein the experimental group is raised with the feed prepared by the present invention, about 200 yuan per 50kg, and the matched group uses Chia Tai feed (SSB-25 model), according to every 50kg Calculated at about 300 yuan. See Table 1 for the indicators detected after 30 days of feeding.

[0059] Table 1

[0060] Index (per piglet)

[0061] Through comparison, it is found that the cost of the nutritious feed prepared by the invention is low, waste can be utilized, waste can be turned into treasure, and the weight gain and survival rate of piglets are obviously better than those commonly used in the market for piglets.

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Abstract

The invention relates to a method for separating heteroacid from valine fermentation liquid. The method comprises the following steps of (1) separating mycoprotein from valine mother liquid by putting fermented L-valine fermentation liquid in a high-speed disc separator with the revolving speed of 4000-5000r/min, recycling mycoprotein precipitation, and collecting supernatant liquid; (2) secondary removing mycoprotein in a membrane filtration manner: filtering the obtained supernatant liquid by utilizing a ceramic membrane with the aperture of 60nm, filtering and recycling mycoprotein, and collecting filter liquid; (3) combining the supernatant liquid of the step (1) and the filter liquid of the step (2), and extracting the valine by utilizing an ion exchange method; and (4) combining the mycoprotein of the step (1) and the step (2). The method for separating the heteroacid from the valine fermentation liquid, disclosed by the invention, is applied to feed preparation and has wide application prospect.

Description

technical field [0001] The invention relates to the field of valine extraction technology in the biological fermentation industry, and specifically provides a method for separating heteroacids from valine fermentation liquid. Background technique [0002] L-valine, scientific name: 2-amino-3-methylbutyric acid, a branched chain non-polar alpha amino acid containing five carbon atoms. L-valine is one of the 20 kinds of amino acids that make up proteins. Similarly, it is also one of the eight essential amino acids for the human body. Together with L-leucine and L-isoleucine, they are collectively referred to as branched-chain amino acids. It is an essential amino acid and a glycogenic amino acid for mammals. L-valine can be used to prepare compound amino acid infusion, can be used to treat malnutrition, and has a significant effect on the recovery of patients with trauma, burns, and operations. In addition, both L-valine and L-isoleucine are limiting amino acids in the feed,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07C229/08C07C227/40A23K1/06A23K1/10A23K1/14A23K1/16A23K1/18A23K10/38
CPCY02P60/87
Inventor 潘悦洪郭英熙马杰希潘保林肖勇邱玲田廷松
Owner XINJIANG FUFENG BIOTECH
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