Preparation process of walnut yogurt

Abstract

The present invention relates to a preparation process of walnut yogurt. The yogurt is prepared from the following components in parts by weight: 20 parts of walnut pulp, 76.5 parts of fresh milk, 3 parts of inulin, 0.1 part of sucralose, 0.2 part of sodium carboxymethyl cellulose and 0.2 part of propylene glycol alginate, wherein the walnut pulp is prepared from walnut kernels as a raw material.The preparation process of the walnut yoghourt comprises the following steps: a, raw material treatment; b, pulping; c, proportioning; d, degassing and homogenization; e, heating for sterilization; f,inoculation; g, fermentation; and h, freezing and after-ripening, wherein the fermentation material is prepared by mixing lactobacillus bulgaricus freeze-dried powder and streptococcus thermophilus freeze-dried powder according to a weight ratio of 1:1.2 in the step g. The yogurt has the advantages of high nutritive value, good market prospect and simple production process.

Description

technical field

[0001] The invention belongs to the technical field of food and beverages, and in particular relates to a preparation process of walnut yoghurt. Background technique

[0002] Walnuts, also known as walnuts, are nutritious and contain a lot of protein, unsaturated fatty acids, vitamins, and minerals. Excellent dried fruit. Since ancient times, people have eaten walnuts as a tonic, and they are known as "longevity fruit" and "longevity fruit". my country's walnut food is mainly traditional fried food, canned food, moon cake stuffing, walnut powder, walnut oil, etc. At present, consumption is mainly for direct consumption, and deep-processed walnut foods are rare in the market. Making yogurt with nutritious walnuts, milk and probiotics as raw materials not only increases the nutritional value of yogurt, but also increases the added value of walnut products. Because the oil content in walnut kernel is much higher than that of protein, and walnut protein is mai...