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Method for continuously extracting low-ester pectin and microcrystalline cellulose from jerusalem artichoke stalks

A technology of microcrystalline cellulose and low-ester pectin, which is used in fiber raw material processing, textile and paper making, etc., to achieve the effect of safe and reliable consumption, high purity and less impurities

Active Publication Date: 2012-10-03
SHANDONG NINE RING GASOLINEEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the food industry in my country mainly extracts and produces pectin from citrus peels and apple peels, and produces dietary fiber from raw materials such as sugarcane stalks. and reports on the production of low-ester pectin and microcrystalline cellulose

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: fresh artichoke stalk (its sponge layer is white) is dried, and its water content is 10%, crosses 60 mesh sieves after this raw material is pulverized, is used for producing low-ester pectin; Above-mentioned processing is good in 1 ton Add 13 tons of water to the Jerusalem artichoke stalk residue, then add 20 kg of sodium carbonate, adjust the pH value of the solution to 7.0, stir at 70°C for 30 minutes, use a centrifuge to separate the decolorization solution, and then wash the centrifuge with water. Wash the separated Jerusalem artichoke stalks until the effluent is colorless; soak the decolorized Jerusalem artichoke stalks with 10 times the amount of 0.3N hydrochloric acid at room temperature for 60 minutes, filter and add 15 times the weight of 80 ° C of hot water, adjust the pH value to 3 with saturated sodium carbonate solution, stir for 2 hours, and then filter through the plate frame, the filtered liquid, and then take the supernatant after 0.22um m...

Embodiment 2

[0020] Embodiment 2: fresh Jerusalem artichoke bar (its sponge layer is white) is dried, and its water content is 5%, crosses 80 mesh sieves after this raw material is pulverized, is used for producing low-ester pectin; Above-mentioned processing is good in 1 ton Add 15 tons of water to the Jerusalem artichoke stalk residue, then add 25 kg of sodium carbonate, adjust the pH value of the solution to 7.1, stir at 80°C for 45 minutes, separate the decolorization liquid with a centrifuge, and then wash with water Wash the Jerusalem artichoke stalk residue separated by centrifugation until the effluent is colorless; soak the decolorized Jerusalem artichoke stalk residue with 12 times of 0.4N hydrochloric acid at room temperature for 30 minutes, filter and add 20 times of 70°C of hot water, adjust the pH value to 4 with saturated sodium carbonate solution, stir for 1 hour, and then filter through the plate frame, the filtered liquid, and then take the supernatant after 0.45um microfi...

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PUM

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Abstract

The invention relates to a method for continuously extracting low-ester pectin and microcrystalline cellulose from jerusalem artichoke stalks, in particular to a method for continuously extracting the low-ester pectin and the microcrystalline cellulose with high purity by utilizing the jerusalem artichoke stalks. The method comprises two continuous steps of: (1) preparing the low-ester pectin, namely extracting the low-ester pectin from the jerusalem artichoke stalks serving as raw materials through raw material treatment, decolorization, decalcification extraction, pectin solution concentration and pectin drying; and (2) preparing the microcrystalline cellulose, namely extracting the microcrystalline cellulose from residues of the jerusalem artichoke stalks from which the low-ester pectin is extracted serving as raw materials through homogenization, bleaching, drying and crushing. The low-ester pectin and the microcrystalline cellulose extracted by the method have high purity and a few impurities, are safe and reliable in eating and can be further applied as functional food or additives.

Description

technical field [0001] The invention relates to a method for continuously extracting low-ester pectin and microcrystalline cellulose from Jerusalem artichoke stalks, in particular to a method for continuously extracting high-purity low-ester pectin and microcrystalline cellulose from artichoke stalks. Background technique [0002] Pectin is widely used in the fields of food, medicine and cosmetics. In these fields, pectin is often used as gelling agent, thickener, stabilizer and emulsifier etc. So far, pectin is mostly extracted from the peel of citrus and the waste residue of apple processing. Among these raw materials, most of the pectin exists in the form of free high-ester pectin, which is easily soluble in water, so it is easy to extract, and the process and required equipment are relatively simple. However, high-ester pectins are too sweet and too acidic in the mouth, and therefore are not to many palates when used in the food industry. In recent years, some people ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/06D21C5/00
Inventor 辛民昌
Owner SHANDONG NINE RING GASOLINEEUM MACHINERY