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Preparation of radish red pigment

A technology of red radish and red pigment is applied in the field of deep processing of agricultural products, which can solve the problems of difficulty in large-scale industrial production, uneven radish juice, unsatisfactory effect, etc., and achieves short production cycle, significant economic and social benefits, The effect of rich added value

Inactive Publication Date: 2005-06-29
重庆武隆县祥宇农业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent publication CN1241599A is titled "A Method for Extracting Natural Food Pigment from Red Radish", and CN1226586A is titled "Deodorized Radish Red Pigment and Its Preparation Method". , the radish juice extracted by soaking is not uniform, colloidal particles such as protein, cellulose, pectin in the radish juice are difficult to filter, and adding enzyme preparations, regulators and antioxidants to the filtrate to deodorize, the effect is not ideal, so , bringing insurmountable difficulties to large-scale industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Put 48 tons of red radishes into the brush-lined drum cleaning machine at 2 tons / hour, adjust the drum speed to 5~6r.p.m, wash with 4 tons / hour of running water, and shred the cleaned red radishes Shredded by machine, the filaments fall onto the multi-layer cascaded mesh belt washing and extraction device, and are manually flattened to form a 40cm thick and 2m wide radish shredded layer. Wash and extract the upper silk layer, the pH of the acidic aqueous solution is 2.5 ~ 5, collect the radish red pigment aqueous solution under the mesh belt, and flow it to the clarification buffer tank, add 480 kg of sodium alginate solution to the tank, let it stand for 1 hour, and pass through the sand After filtration and precision filtration, put on the adsorption resin column, the column height is 4m, the diameter is 1.2m, and the resin is filled with 2m 3 , Resin column ladder feeding 30m 3 / hr Feed for 12 hours, wash with an acidic solution with a concentration of 0.2wt% malic ...

Embodiment 2

[0033] Put 58 tons of red radishes into the brush-lined drum cleaning machine at 2.42 tons / hour, adjust the drum speed to 5~6r.p.m, wash with 5 tons / hour of running water, and shred the cleaned red radishes Shredded by machine, the filaments fall onto the multi-layer cascaded mesh belt washing and extraction device, and are manually flattened to form a layer of radish shreds with a thickness of 46cm and a width of 2m. Wash and extract the upper silk layer, the pH of the acidic aqueous solution is 2.5~5, collect the radish red pigment aqueous solution under the mesh belt, and flow it to the clarification buffer tank, add 500 kg of chitin solution to the tank, let it stand for 2 hours, and filter it through sand , After precision filtration, put on the adsorption resin column, the column height is 4m, the diameter is 1.2m, and the resin is filled with 2m 3 , Resin column ladder feeding 35m 3 / hr feed for 14 hours, wash with an acidic aqueous solution of 0.1wt% hydrochloric acid...

Embodiment 3

[0035] Put 55 tons of red radishes into the brush-lined drum cleaning machine at 2.3 tons / hour, adjust the drum speed to 5~6r.p.m, wash with 5 tons / hour of running water, and shred the cleaned red radishes Shredded by machine, the filaments fall onto the multi-layer cascaded mesh belt washing and extraction device, and are manually flattened to form a layer of radish shreds with a thickness of 44cm and a width of 2m. The upper silk layer is rinsed and extracted, the pH of the acidic aqueous solution is 2.5-5, the radish red pigment aqueous solution is collected under the mesh belt, and it flows downstream to the clarification buffer tank, and 390 kg of chitosan solution is added to the tank, and it is allowed to stand for 2 hours. After filtration and precision filtration, adsorb resin particles, the column height is 4m, the diameter is 1.2m, and the resin is filled with 2m 3 , Resin column ladder feeding 32m 3 / hr feeds 13 hours, is that the acidic aqueous solution of 0.2wt%...

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Abstract

A process for preparing the edible red pigment from the fresh red-core radish includes such steps as washing, slitting, leaching, extracting, macroreticular resin column adsorbing, concentrating, spray drying, vacuum mixing and drying, and deodoring. Its advantages are rich in fish pelargonium pigment glycoside and anthocyanidin glycoside, no radish odor, and high chromatic level greater than 60.

Description

1. Technical field [0001] The invention relates to a method for extracting red pigment from natural red radish, which belongs to the field of deep processing of agricultural products. 2. Background technology [0002] Natural pigments are safe, non-toxic, and colorful, and are loved by people, especially for the coloring of edible products and the huge economic benefits of export earnings, which are of great concern to governments and entrepreneurs in various countries. Extracting natural radish red pigment from red radish has low cost, stable and reliable quality. Chinese patent publication CN1241599A is titled "A Method for Extracting Natural Food Pigment from Red Radish", and CN1226586A is titled "Deodorized Radish Red Pigment and Its Preparation Method". , the radish juice extracted by soaking is not uniform, colloidal particles such as protein, cellulose, pectin in the radish juice are difficult to filter, and adding enzyme preparations, regulators and antioxidants to ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09B61/00
CPCC09B61/00A23L5/43
Inventor 赵厚坤王晋利彭丹
Owner 重庆武隆县祥宇农业发展有限公司
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