Bacterial peptone product fishy smell removing method in raw material extraction

Abstract

The invention discloses a bacterial peptone product fishy smell removing method in raw material extraction, the bacterial peptone product fishy smell removing method comprises the following steps: after the compound protease hydrolysis is finished, a carboxypeptidase or a transglutaminase is added for continuing hydrolysis; after the carboxypeptidase hydrolysis is finished, the pH of a hydrolyzed protein solution is subsequently lowered, then the hydrolyzed protein solution is heated for enzyme inactivation and sterilization treatment; the temperature is kept within 80 DEG C for standing for 3 hours, and then basket plate filter and micropore fine filter are performed. The bacterial peptone product fishy smell removing method can be carried out within a normal hydrolysis process operating range without increasing of operation steps, compared with a microbial fermentation fishy smell removing method, on one hand the bacterial peptone product fishy smell removing method is compatible in process, and on the other hand, the bacterial peptone product fishy smell removing method has the advantages of simple operation, smooth process, low labor intensity, short production cycle, low production cost, low product pollution rate, less residue and the like.

Description

technical field [0001] The invention belongs to the field of biology, and in particular relates to a method for deodorizing a bacto-peptone product in extracting raw materials. Background technique [0002] In the process of extracting raw materials from animal tissues such as cattle and sheep, fishy smell and pigment are the main factors affecting the product. The fishy smell comes from the cattle and sheep itself. At present, in the same industry at home and abroad, materials such as sweetener are added to cover up the above-mentioned taste. The purity and quality safety of the product are less affected, and the technology is backward; the second more advanced method is the use of microbial fermentation (such as the use of BAW microbial fermentation, which can convert fishy peptides into B group elements). Although the microbial fermentation method is relatively advanced, if it is used in the process of extracting polypeptides by enzymatic hydrolysis, there are a series o...

AI Technical Summary

Problems solved by technology

Since the protein hydrolyzate contains rich nitrogen sources, it is easy to be contaminated by bacteria and deteriorate during the long-term cooling and fermentation process. At the same time, the separation process in the later stage is also relatively cumbersome to operate. An important quality and technical index of the product-clarification degree cannot be guaranteed

Moreover, the requirements for the production environment, equipment, and personnel quality are high, and the production cycle is long and the cost is high.

In addition, a large amount of sucrose and other medium materials should be added during the fermentation process, which will inevitably cause residual problems in the product, and there are certain safety hazards for the growth of some special bacteria