Synthesis method of L-amino acid

Abstract

The invention belongs to the technical field of L-amino acid synthesis, and particularly relates to a synthesis method of L-amino acid. The synthesis method comprises the following steps of S1, weighing a certain amount of soybean meal, adding distilled water in a solid-to-liquid ratio being 1 to 25, performing heat preservation in a water bath pot of 50 DEG C for 1h, adjusting pH to be 8.5, adding 10% of trypsin, performing hydrolysis for 4h, adding 8% of papain, performing hydrolysis for 4h, performing enzyme deactivation at 90 DEG C for 10min, performing cooling, performing standing, performing centrifugal separation to obtain supernatant, and preparing L-amino acid enzymolysis liquor; and S2, adding sodium selenite to the L-amino acid enzymolysis liquor in the mol mass proportion of L-amino acid to selenium salt being 2 to 1. According to the synthesis method disclosed by the invention, the L-amino acid and the selenium salt are synthesized and selenized to compound the L-amino acid, the products contain various amino acids needed by human bodies and contain biological active selenium, the selenium is easy to absorb under the action of amino acid carriers, double effects of complementing amino acids and complementing selenium for the human bodies can be achieved, and an opportunity of taking in various nutrient substances is provided for organisms.

Description

technical field [0001] The invention belongs to the technical field of L-amino acid synthesis, in particular to a synthesis method of L-amino acid. Background technique [0002] Amino acid is the basic unit of protein molecules in living organisms. It is closely related to life activities. It is an important material basis for the formation of organisms and life. It has special physiological functions and is one of the indispensable nutrients in living organisms. [0003] There are also some technical solutions for the synthesis of L-amino acids in the prior art. For example, a Chinese patent with application number 201810587713.0 discloses a production method of L-amino acids, which includes: using 1, ω-diamine or its The salt is an amino donor. In the presence of a substrate α-keto acid or its salt, transaminase is used to catalyze the transamination reaction between 1, ω-diamine and the substrate to obtain L-amino acid; the 1, ω-diamine The amine is 1,4-butanediamine, 1,...

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Problems solved by technology

[0005] In order to make up for the deficiencies of the prior art, solve the problem that in the prior art, L-amino acid is only used as a basic nutrient component of an organism, and the amino acid component is single, and the organism cannot obtain more nutrients that it wants to ingest when ingested. Unable to meet the needs of multiple nutritional components of organisms at the same time, reducing the opportunity for organisms to take in multiple nutritional components at the same time, a method for synthesizing L-amino acids proposed by the present invention

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