Yeast extract containing inosinic acid disodium salt and guanylic acid disodium and method for preparing same

Abstract

The invention relates to a method for preparing a yeast extract containing 4 to 30 percent of inosinic acid disodium salt and guanylic acid disodium (I+G), which comprises the following steps: a) providing a yeast cream containing 8 weight percent or more of ribonucleic acid; b) killing yeasts in the yeast cream; c) performing centrifugal separation on the yeast cream to obtain a supernatant; d) adding enzyme to the supernatant simultaneously to perform enzymolysis; e) performing heat treatment on the supernatant after the enzymolysis to inactivate the enzyme; and f) concentrating and drying the supernatant with inactivated enzyme to obtain the yeast extract containing 4 to 30 percent of the inosinic acid disodium salt and the guanylic acid disodium. The invention also relates to a yeast extract which is prepared by the method and contains high-content of the I+G. The yeast extract prepared by the method and containing the I+G is rich in disodium nucleotide, integrates the advantages of the yeast extract and disodium 5' ribonucleotide, and has the characteristic of savageness without additives.

Description

technical field [0001] The present invention relates to a preparation containing 4-30% inosinic acid disodium salt and guanylic acid disodium salt (I+G, wherein I represents inosinic acid disodium salt and G represents guanylate disodium salt) A method of yeast extract, and a yeast extract product obtained by the method containing disodium salt of inosinate and disodium salt of guanylate. Background technique [0002] Yeast extract is obtained by degrading the protein in yeast cells into amino acids and polypeptides, and degrading nucleic acids into nucleotides, and extracting them from yeast cells together with other active ingredients such as B vitamins, glutathione, and trace elements. Extracted from the human body, the prepared concentrate of soluble nutrients and flavor substances can be directly absorbed and utilized by the human body. [0003] In recent years, with the improvement of people's living standards, people have put forward new requirements for the content ...

AI Technical Summary

Problems solved by technology

[0012] Ordinary yeast extract contains a lot of protein and amino acids, and has a mellow taste, but it contains a small amount of disodium nucleotides, and the umami taste is not strong enough

Pure disodium nucleotide nucleotides cost more, and if used alone, the taste is not mellow enough, and the umami taste is not strong, so it must be mixed with amino acids to produce umami taste

However, in a mixed way, nucleotide disodium is added as a food additive, and the product label must indicate that it contains additives, so that the product does not have the characteristics of pure natural and additive-free

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