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Extraction and preparation process of citrus pectin

A technology of pectin and extracting solution, which is applied in the field of extracting and preparing pectin, which can solve the problems of low pectin extraction yield and long heating time, and achieve the effects of high yield, reduced energy consumption, and reduced production cost

Inactive Publication Date: 2012-10-03
赛珂睿德生物医药科技(上海)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This extraction process overcomes the shortcomings of low pectin extraction yield and long heating time in previous methods

Method used

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  • Extraction and preparation process of citrus pectin
  • Extraction and preparation process of citrus pectin
  • Extraction and preparation process of citrus pectin

Examples

Experimental program
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Effect test

Embodiment 1

[0044] The preparation of embodiment 1 pectin:

[0045] (1) Crush 1 kg of dried orange peel to a particle size of 2-3 mm, soak in warm water for 30 minutes, heat to boil after the surface swells and rehydrate, and heat in a boiling water bath for 8 minutes to passivate pectinase Afterwards, filter with gauze to press out the juice; rinse with water for 3 times.

[0046] (2) Weigh 100g of the pretreated orange peel, add 1000ml of distilled water according to the ratio of material to liquid 1:10, adjust the pH to 1.8 with an acidity meter, place it in a microwave oven at 800W to heat for 6min, and then filter. Repeat this method for 6 times of 800W microwave heating extraction, and filter to obtain about 5500ml of 6 times of extract. Stack 2 layers with dried gauze, add cotton, put it in a Buchner funnel, collect the filtrate by suction filtration with a decompression vacuum pump, and combine the filtrates to obtain a pectin extract.

[0047] (3) Concentrate 5500ml of the pect...

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Abstract

The invention relates to an extraction and preparation process of citrus pectin. The extraction and preparation process of citrus pectin includes additionally pretreating dried citrus peel, and extracting pectin from the citrus peel by multiple microwave-heating. By the extraction and preparation process of citrus pectin, extraction time is shortened, and the defect of low pectin yield due to the fact that pectin degrades under long-term heating in strong acid extraction is overcome. By the extraction and preparation process of citrus pectin, the yield is higher with less extraction time and simple extraction steps, the pectin has better gloss, energy consumption is lowered, and production cost is reduced.

Description

technical field [0001] The present invention relates to a method for extracting and preparing pectin. Specifically, it relates to a method for extracting pectin from raw materials of citrus peels of Rutaceae plants. Extraction of pectin from citrus peels by multi-batch microwave heating. This extraction process overcomes the shortcoming of long heating time in the acid extraction method. The invention utilizes less extraction time and simple extraction steps to obtain pectin with higher yield and better color, reduces energy consumption and reduces production cost. Background technique [0002] Pectin is a kind of macromolecular polysaccharide substance that constitutes the structural components of cells, and it widely exists in the middle glue layer of the adjacent cell wall of green plants. Pectin is a long-chain polymer of polygalacturonic acid linked by α-1,4 glycosidic bonds. It is generally white or light yellow powder with a slight fruity aroma and is water-soluble...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/06
Inventor 丁侃姜猛李欣徐玉霞刘玥
Owner 赛珂睿德生物医药科技(上海)有限公司
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