Fresh water caltrop pulp freezing preservation technique

Abstract

The invention discloses a process for preserving fresh water chestnut pulp by refrigeration, which comprises the steps of: 1) purchase and treatment of raw materials: the fresh water chestnut pulp is purchased from peasants or the market during the production season of the fresh water chestnut meat, the purchased fresh water chestnut meat is hulled and then cleaned by water and then filtered or dried with air; 2) sodium chloride solution treatment: the fresh water chestnut pulp which is filtered for removing the water or dried with air is put in a container, and then the sodium chloride solution with a weight percentage concentration ranging from 5 percent to 6 percent is added in the container; the sodium chloride solution is added in the container until the fresh water chestnut pulp is completely immersed by the sodium chloride solution; 3) quick freezing: after being filled up with the sodium chloride solution, the container is immediately put in a household freezer for preserving by refrigeration; 4) thaw: the fresh water chestnut pulp after being rapidly frozen is thawed when being taken and used. The process of the invention can maintain the freshness of the fresh water chestnut pulp for a longer time.

Description

Frozen fresh-keeping technology of fresh water chestnut meat technical field The invention relates to a fresh-keeping process for fresh vegetables, in particular to a fresh-keeping process for fresh water chestnut meat. Background technique After fresh water chestnut meat is harvested, if it does not undergo fresh-keeping treatment, it can only be transported and sold for a short distance, otherwise, it will easily deteriorate. The characteristic that fresh water chestnut meat is easy to deteriorate determines that in the season when fresh water chestnut meat is harvested intensively, it is prone to the problem of difficulty in selling; while in other seasons, there is a problem of lack of fresh water chestnut meat supply. Contents of the invention The objective of the invention is to design a kind of fresh water chestnut meat freezing preservation process. What the present invention aims to solve is the problem that fresh water chestnut meat is difficult to sell in t...

AI Technical Summary

Problems solved by technology

The characteristic that fresh water chestnut meat is easy to deteriorate determines that in the season when fresh water chestnut meat is harvested intensively, it is prone to the problem of difficulty in selling; while in other seasons, there is a problem of lack of supply of fresh water chestnut meat