Fresh keeping agent for fresh fruits and vegetables and preparation method thereof

Abstract

The invention discloses a fresh keeping agent for fresh fruits and vegetables. The fresh keeping agent comprises the following components by volume percentage: 15%-20% of a titanium dioxide aqueous solution, 3%-10% of a carboxymethyl vitamin aqueous solution, 6%-11% of a lecithin aqueous solution, 5%-8% of a polyoxyethylene sorbitan monooleate aqueous solution, 10%-15% of a sodium benzoate aqueoussolution, 8%-12% of a citric acid aqueous solution, 10%-16% of a phytic acid aqueous solution, 2%-5% of a nanoscale inorganic adhesive and the balance of water. The fresh keeping agent is prepared from the titanium dioxide aqueous solution, the carboxymethyl vitamin aqueous solution, the lecithin aqueous solution, the polyoxyethylene sorbitan monooleate aqueous solution, the sodium benzoate aqueous solution, the citric acid aqueous solution, the phytic acid aqueous solution, the nanoscale inorganic adhesive and sterile water. A transparent edible film can be formed on the surfaces of the fresh fruits and vegetables, the product has multiple functions of inhibiting bacterial reproduction, resisting oxidation, retaining water, protecting color and the like, and has high commercial value inthe aspects of improving the appearances of the fresh fruits and vegetables and improving the grades of the fresh fruits and vegetables.

Description

technical field [0001] The invention belongs to the technical field of preservation of fresh fruits and vegetables, and in particular relates to a fresh-keeping agent for fresh fruits and vegetables and a preparation method thereof. Background technique [0002] With the improvement of people's living standards and changes in consumption needs and patterns, fresh fruits and vegetables have become a necessity in the lives of urban and rural residents. However, due to the relative lag in fresh-keeping technology, post-harvest corruption of fresh fruits and vegetables has caused serious losses, which has seriously restricted my country's agricultural product processing industry. It is one of the important factors for the development of food and food industry. The preservation of fresh fruits and vegetables has become a hot issue concerned by agriculture, food enterprises, logistics industry and consumers. The fresh-keeping agent of fresh fruits and vegetables is an important part...

AI Technical Summary

Problems solved by technology

[0002] With the improvement of people's living standards and changes in consumption needs and patterns, fresh fruits and vegetables have become a necessity in the lives of urban and rural residents. However, due to the relative lag in fresh-keeping technology, post-harvest corruption of fresh fruits and vegetables has caused serious losses, which has seriously restricted my country's agricultural product processing industry. It is one of the important factors for the development of food and food industry. The preservation of fresh fruits and vegetables has become a hot issue concerned by agriculture, food enterprises, logistics industry and consumers. The fresh-keeping agent of fresh fruits and vegetables is an important part of the preservation of fresh fruits and vegetables. Although the preparation technology of the existing preservatives for fresh fruits and vegetables is becoming more and more mature, there are still some deficiencies to be improved.

[0003] The prior art has the following problems: the existing preservatives for fresh fruits and vegetables are less effective in terms of water retention and color retention