Starters for producing Chinese fermented meat products and preparing method thereof

A technology of fermented meat products and compound starter, which is applied in food preparation, preservation of meat/fish, preservation of meat/fish with acid, etc., can solve the problems of unstable product quality, long time, difficult control of process conditions, etc. Prevent strain variation and phage contamination, strong ability to decompose proteins, and the effect of simplifying the times of transgeneration and rejuvenation

Inactive Publication Date: 2007-09-12
SICHUAN UNIV
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Problems solved by technology

First, molds and other microorganisms that grow on nitrogen-rich substrates may secrete various enzymes and toxins in a suitable external environment. Although various enzymes make ham and other fermented meat products produce unique flavors, harmful microorganisms produce The toxins also bring potential hidden dangers to food safety; second, the fermentation of fermented meat products produced by traditional technology is slow, takes a long time, the process conditions are not easy to control, the product quality is unstable, and large-scale industrial production cannot be carried out; Nitrates and nitrites are usually added during the pickling process to make fermented meat produce a good color, and these two coloring agents have

Method used

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Examples

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Embodiment Construction

[0030] 1. Collect samples from Beichuan Qiangshan fermented meat products produced in Beichuan Qiang Autonomous County, Sichuan Province, China, then cut the samples into pieces under aseptic conditions, and add them into sterile physiological saline to make a bacterial suspension.

[0031] 2. Dilute the bacterial suspension prepared in the previous process several times under sterile conditions, insert it into the complete medium and culture it at about 25°C for about 72h (temperature range 25-30°C, time range 48-72h Both can be used), after the cultivation is over, count the number of different colonies on the plate according to the colony shape and characteristics, select a large number of dominant colonies, and insert them into MRS medium, MSA medium and PDA medium for selective culture. Carry out routine staining, separate and purify by streak plate method, measure the physiological and biochemical characteristics of different purified strains, synthesize their morphologic...

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Abstract

The present invention discloses one kind of composite leaven for producing Chinese style fermented meat product. The composite leaven is prepared with dominant zymogen strains lactobacillus casei, fresh-colored staphylococcus and Nadi blue mold separated and screened from Qiang's meat product and Huniang 3.042 aspergillus oryzae for brewing soy sauce, and through domestication in meat, re-compounding, proliferating culture, centrifuging concentration, freeze drying, and mixing with protecting agent. The composite leaven for producing Chinese style fermented meat product has several microbe strains, high activity, fast fermentation, and capacity of producing meat product with traditional fermenting fragrance.

Description

technical field [0001] The present invention relates to the production technology of compound starter for meat products, and more specifically relates to a kind of excellent fermented strains isolated, purified, identified, domesticated and screened from Chinese unique fermented meat products, and then combined with the existing strains for brewing and producing soy sauce The production technology and process of compounding Shanghai Niang 3.042 Aspergillus oryzae and then vacuum freeze-drying to produce a compound starter suitable for China's unique fermentation environment and meat products with traditional fermented flavor belongs to the field of food biotechnology. technical background [0002] Fermented meat products are a type of meat products with special flavor, color and texture and long shelf life produced by microbial fermentation of salted meat under natural or artificial control conditions. The flavor of fermented meat products depends on the inoculated microbial...

Claims

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Application Information

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IPC IPC(8): A23L1/03A23L1/31A23B4/12A23B4/037C12N1/20A23L29/00A23L13/00
Inventor 刘学文张鑫燚何利刘柳
Owner SICHUAN UNIV
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