Preservative and preparation method thereof

Abstract

The invention discloses a preservative and a preparation method thereof, and relates to the field of preservation. The preservative comprises the following components in parts by weight: 0.5-5 parts of hypocrellin, 0.5-5 parts of chitosan oligosaccharide, 3-8 parts of a solvent and 0.5-3 parts of a pH regulator. The preservative provided by the invention overcomes the drug residue harm caused by the use of chemical agents in the past, and really realizes a green, environment-friendly and safe preservation mode. Moreover, according to the use method of the preservative, the use process is simplified, the cost does not need to be increased, the preservative can be directly sprayed and used on a production line, the process does not need to be increased, and the preservative is simple, convenient, green, safe, harmless to a human body and capable of achieving the purpose of long-term preservation and has wide market application prospects.

Description

technical field [0001] The invention relates to the fresh-keeping field, in particular to a fresh-keeping agent and a preparation method thereof. Background technique [0002] With the improvement of living standards, people's demand for poultry eggs is also increasing. Poultry eggs are rich in nutrients, rich in protein, fat, trace elements and vitamins, and are good for people to obtain balanced various essential nutrients. source. However, as a living organism, poultry eggs are prone to deterioration, and their nutritional components are easily deteriorated during transportation and storage. With the extension of storage time, changes in storage temperature and humidity, they are prone to yellowing, deterioration and loss of edible value. There are research reports , Poultry eggs can only be stored for 7 days when the temperature is higher than 30°C. Such a short preservation period has become a pain point in the poultry and egg industry, so how to keep poultry eggs fres...

AI Technical Summary

Problems solved by technology

However, poultry eggs are easy to deteriorate as living organisms, and their nutritional components are easily deteriorated during transportation and storage. With the extension of storage time, changes in storage temperature and humidity, they are prone to loose yellow, deteriorate and lose their edible value. There are research reports , Poultry eggs can only be stored for 7 days when the temperature is higher than 30°C. Such a short preservation period has become a pain point in the poultry and egg industry, so how to keep poultry eggs fresh is particularly necessary

Images