Non-meat-derived yeast extracts having rich meat flavor and preparation method therefor

A preparation method for non-meat-derived yeast extracts having beef flavor, comprising:

• (1) mixing a yeast extract, vitamins, amino acids and water, and adding reducing sugar as needed;
• (2) adjusting the pH of the mixture obtained in step (1) to 4.0-8.0 with a pH regulator, and stirring the mixture to react at a temperature of 80-130° C. for 30-180 min to obtain a thermal-heated product;
• (3) adding vegetable oil into the thermal-heated product, and adding edible salt as needed to obtain a material to be dried;
• and
• (4) performing vacuum drying on the material to be dried obtained in step (3), and crushing the dried material,
• wherein, the yeast extract is 40-46 parts by weight, the vitamins is 1.5-4 parts by weight, the amino acids is 2-8 parts by weight, the reducing sugar is 7-10 parts by weight, the water is 13-40 parts by weight, the edible salt is 0-30 parts by weight, the vegetable oil is 0.1-2 parts by weight;
• the vegetable oil is palm oil and/or sunflower seed oil;
• the vitamins comprise vitamin B1 and/or vitamin C;
• the amino acids comprise one or a combination of two or more selected from the group consisting of L-cysteine, glycine, and methionine;
• the reducing sugar is xylose and/or glucose.