A grape fresh-keeping agent

Abstract

The present invention discloses a grape fresh-keeping agent. The fresh-keeping agent includes the following raw materials in parts by weight: starch 5-10 parts, sorbic acid 1-5 parts, citric acid 1-5 parts, sodium alginate 3-8 parts, Alpinia officinarum Hance 1-3 parts, vitamin C 2-6 parts, lignin 1-4 parts, chitin 1-4 parts and pure water 30-40 parts. The grape fresh-keeping agent product is safe and non-toxic, and has good performance of broad spectrum, bacteriostasis and sterilization; the raw materials are easily obtainable at low cost; and the production method is simple. The fresh-keeping agent is prone to scale production.

Description

technical field [0001] The invention relates to the technical field of fruit preservation, in particular to a grape preservation agent. Background technique [0002] Grape is a kind of berry, which is one of the oldest and most widely distributed fruits in the world. Human beings began to cultivate this kind of fruit tree a long time ago. The berries are mostly round or oval, and the color varies with the variety. It accounts for almost a quarter of the world's fruit production; it has high nutritional value and is used in grape juice, raisins and wine. Large grains, thick skin, less juice, more water, easy separation of skin and flesh, sweet and sour taste, storage and transportation of Eurasian grapes, also known as grapes, generally grow in clusters, with yellow-green, red, black-blue or Purple. There is a thin skin on the outside of the pulp, and a thin frost on the outside of the skin. Some varieties are seedless. Grapes can be used as raw fruit, wine or raisins. In...

AI Technical Summary

Problems solved by technology

[0003] The demand for fresh grapes in modern society is increasing day by day, but fresh grapes are still undergoing complex physiological changes, biological changes and physical changes after being harvested. Wilting, deterioration and other phenomena affect the quality and sales of grapes