CN102336651A - Citric acid and its preparation method - Google Patents

Abstract

The invention relates to citric acid and a preparation method, which belongs to the food processing technical field. The invention is characterized in that citric acid uses the fruits of lemon, orange, plum, apricot, peach and the like, and the raw materials are carried out the processes of clearing, filtering, neutralizing, decolouring, concentrating and the like to obtain a citric acid product. The citric acid can be widely utilized in the food processing industry, is an important food organic acidity, and is an additive for beverage, candy and caned food, the market prospect is wide and the citric acid processing is capable of raising the income of the peasants.

Description

A kind of Hydrocerol A and preparation method thereof

Technical field

The present invention relates to a kind of Hydrocerol A and preparation method thereof, belong to food processing technology field.

Background technology

Hydrocerol A is present at occurring in nature in the fruit such as lemon, oranges and tangerines, plum, plum, peach, and is more with acid content in the immature fruit, but industries such as widespread use food, medicine, daily use chemicals.Its process for extracting is all comparatively complicated at present, needs certain experimental installation and technician.

Summary of the invention

The objective of the invention is provides a kind of Hydrocerol A and preparation method thereof for overcoming the weak point of above-mentioned prior art, through raw material clarification filtration, neutralization, decolouring, step such as concentrate and obtain the Hydrocerol A product.Described Hydrocerol A can be widely used in food-processing industry, is a kind of important food organic acid, is the additive of beverage, candy, tinned pre-, and market outlook are wide, and the processing Hydrocerol A can improve peasant household's income.

The present invention realizes with following technical scheme: a kind of Hydrocerol A and preparation method thereof is characterized in that: carry out as follows:

(1) raw material clarification filtration: contain many pectin and impurity in orange juice, the plum juice, need clarify, promote contamination precipitation, use the pressure filter press filtration then;

(2) neutralization: orange juice, when plum juice is heated to 75 ℃, adding lime carbonate serum continues heating 2 hours, is dark green to solution, accomplishes neutralization reaction, staticly settles to be calcium citrate malate;

(3) desalination: calcium citrate malate washs with clear water, is heated to 70-80 ℃, and the repeated multiple times after drying is for use;

(4) acidolysis decolouring: the citrate of lime slurries are heated to 60-70 ℃, seethe with excitement 3 hours, staticly settle, and supernatant liquid is a citric acid solution;

(5) concentrate, behind the partial crystallization, centrifugal, dry, under 75 ℃, be dried to water cut and reach below 1%, through sieve, classification, packing warehouse-in.

Advantage of the present invention is: this Hydrocerol A utilizes fruit such as lemon, oranges and tangerines, plum, plum, peach, through raw material clarification filtration, neutralization, decolouring, step such as concentrate and obtain the Hydrocerol A product.Described Hydrocerol A can be widely used in food-processing industry, is a kind of important food organic acid, is the additive of beverage, candy, tinned pre-, and market outlook are wide, and the processing Hydrocerol A can improve peasant household's income.

Embodiment

Embodiment,

A kind of Hydrocerol A and preparation method thereof is characterized in that: carry out as follows:

(1) raw material clarification filtration: contain many pectin and impurity in orange juice, the plum juice, need clarify, promote contamination precipitation, use the pressure filter press filtration then;

(2) neutralization: orange juice, when plum juice is heated to 75 ℃, adding lime carbonate serum continues heating 2 hours, is dark green to solution, accomplishes neutralization reaction, staticly settles to be calcium citrate malate;

(3) desalination: calcium citrate malate washs with clear water, is heated to 70-80 ℃, and the repeated multiple times after drying is for use;

(4) acidolysis decolouring: the citrate of lime slurries are heated to 60-70 ℃, seethe with excitement 3 hours, staticly settle, and supernatant liquid is a citric acid solution;

(5) concentrate, behind the partial crystallization, centrifugal, dry, under 75 ℃, be dried to water cut and reach below 1%, through sieve, classification, packing warehouse-in.

Claims (1)

1. Hydrocerol A and preparation method thereof is characterized in that: carry out as follows:

(1) raw material clarification filtration: contain many pectin and impurity in orange juice, the plum juice, need clarify, promote contamination precipitation, use the pressure filter press filtration then;

(2) neutralization: orange juice, when plum juice is heated to 75 ℃, adding lime carbonate serum continues heating 2 hours, is dark green to solution, accomplishes neutralization reaction, staticly settles to be calcium citrate malate;

(3) desalination: calcium citrate malate washs with clear water, is heated to 70-80 ℃, and the repeated multiple times after drying is for use;

(4) acidolysis decolouring: the citrate of lime slurries are heated to 60-70 ℃, seethe with excitement 3 hours, staticly settle, and supernatant liquid is a citric acid solution;

(5) concentrate, behind the partial crystallization, centrifugal, dry, under 75 ℃, be dried to water cut and reach below 1%, through sieve, classification, packing warehouse-in.