1. A method of obtaining a yeast extract containing a disodium salt of inosinate and a disodium salt of guanilate, comprising the stages in which:! a) use at least one type of yeast with a content of ribonucleic acid of 8% by weight or more, which is selected from the group consisting of baker's yeast fermented with Saccharomyces cerevisiae and Torula to obtain a yeast suspension,! b) yeast is sterilized in the said yeast suspension at a temperature of 40-95 ° C!! c) the yeast suspension is centrifuged in which the yeast is sterilized to obtain a supernatant,! g) add a protease, nuclease and transaminase to the supernatant, and for 12-25 hours carry out enzyme synthesis at a pH of 4.0-6.8 and a temperature of 35-80 ° C,! d) after the mentioned enzyme decomposition, the enzymes in the supernatant are deactivated by heat treatment for 50-70 min at a temperature of 75-90 ° C,! f) the concentration of said supernatant in which the enzymes are deactivated is adjusted to 35-40% by weight, and the resulting dry matter is spray dried to obtain a yeast extract containing 4-30% disodium inosinate and disodium guanilate. ! 2. The method according to claim 1, characterized in that the enzymes added in step (d) act at a temperature of 45-68 ° C. ! 3. The method according to claim 1 or 2, characterized in that the said enzymes are added in stage (g) in a ratio of 1: 1: 1. ! 4. The method according to claim 1 or 2, characterized in that the said enzymes are added in stage (g) in an amount of 0.1-0.3% by weight, calculated on the dry matter of the supernatant. ! 5. The method according to claim 1, characterized in that the pH is adjusted in stage (g) in the range of 4.5-6.8. ! 6. The method according to claim 1, characterized1. Способ получения дрожжевого экстракта, содержащего двунатриевую соль инозината и двунатриевую соль гуанилата, включающий стадии, на которых: ! а) используют, по меньшей мере, один вид дрожжей с содержанием рибонуклеиновой кислоты 8% по весу или более, котор