Citrus fruit preservative and preparation method thereof

Abstract

The invention provides a citrus fruit preservative which is composed of the following components in parts by mass: 3-5 parts of sucrose ester, 1-1.4 parts of sodium glutamate, 0.8-1.2 parts of citric acid, 0.3-0.5 part of sodium acetate, 0.02-0.03 part of potassium permanganate, 0.02-0.03 part of sodium chloride and 170-175 parts of water. The invention also provides a preparation method of the citrus fruit preservative, which comprises the following steps: mixing the sucrose ester, citric acid and water according to the formula, thoroughly mixing for 10-15 minutes, heating to 45-50 DEG C, adding the sodium glutamate, sodium acetate and sodium chloride according to the formula, stirring for 8-12 minutes, cooling to room temperature, adding the potassium permanganate according to the formula, and stirring uniformly. The citrus fruit preservative has the advantages of simple preparation method, reasonable formula, low cost, uniform effect and favorable preservation effect, and is convenient to operate; and compared with other preservatives sold in the market, the preservation period is prolonged by more than 22%.

Description

technical field [0001] The invention relates to a fresh-keeping agent for citrus fruits. Background technique [0002] With the development of science and technology and the gradual improvement of people's living standards, people's demand for fruits produced in different seasons in different regions is gradually increasing. People have put forward higher and higher requirements for fresh-keeping storage and transportation of fruits that are difficult to store. Existing fruit fresh-keeping technology generally is to make fresh-keeping film, and fresh-keeping film does have certain progress in room temperature or low temperature fresh-keeping, long-term fresh-keeping, transportation fresh-keeping aspect. But there are also some deficiencies, mainly because the release period is short, the preservation effect is uneven, and it is difficult to guarantee the effect; the preparation method is complicated and complicated; the production cost is high, and the source of raw materia...

AI Technical Summary

Problems solved by technology

But there are also some shortcomings, mainly because the release period is short, the preservation effect is uneven, and it is difficult to guarantee the effect; the preparation method is complicated and complicated; the production cost is high, and the source of raw materials is narrow; some raw material components are harmful to the human body