Acid water and preparation method thereof

Abstract

The invention relates to acid water and a preparation method thereof. The preparation method of the acid water comprises the following steps: (1) collecting yellow serofluid generated in the bean product production process; (2) carrying out clarification treatment on the yellow serofluid, and taking a clear liquid; (3) heating the clear liquid to 90 DEG C or above, and conducting heat preservationfor 10-60 min; (4) mixing the clear liquid with the acid water so that the total acid of the mixed product is 0.1-0.2 g / 100 ml; and (5) carrying out heat preservation culture on the product obtainedin the previous step at 75-80 DEG C until the total acid reaches 0.4-0.6 g / 100 ml to obtain the product, namely acid water.

Description

technical field

[0001] The invention relates to the field of food, in particular to acid water and a preparation method thereof. Background technique

[0002] In related art, when fermented bean curd is prepared, bean curd blocks are generally produced first, and fermented bean curd blocks are then fermented to prepare fermented bean curd.

[0003] For example, some related technologies utilize lactone dotting to make bean curd for fermented fermented bean curd. There are also some related technologies that utilize gypsum and brine point paste to make tofu for fermented fermented bean curd. There are also some related technologies to make bean curd by pointing pulp with sour water for fermented fermented bean curd. Contents of the invention

[0004] The inventors found that the acid water prepared in the prior art has the problems of unstable quality of the acid water itself and unstable quality of fermented bean curd products. According to the inventor's analysis, the ...

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