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Method for extracting banana peel pectin

A banana peel and fruit peel technology, applied in the field of natural product extraction, can solve the problems of long extraction time, unstable effect of pectin products, and low yield, and achieve shortened extraction time, good market economic benefits, and strong selectivity Effect

Inactive Publication Date: 2016-04-13
蒋丽红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention of the present invention is: for the above-mentioned existing problems, the present invention provides a kind of method for extracting the pectin of banana peel, adopts common and easy-to-get surfactant to carry out ultrasonic solubilization treatment to the pectin in the banana peel first, and then utilizes Microwave effect assists ammonium oxalate to extract pectin from banana peel. This method effectively overcomes the technical problems of traditional pectin extraction, such as long time consumption, low yield, and unstable pectin product effect, and the extraction raw materials and equipment used are easy to obtain. The method of operation is highly feasible

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for extracting banana peel pectin, the method comprising the steps of:

[0029] (1) Pretreatment: wash and remove impurities from the banana peel, cut it into small pieces, put it in a mixed solution containing 0.4% sodium bisulfite, 0.3% citric acid, and 0.4% sodium chloride and soak for 10 minutes to protect the color. Water steam inactivates enzymes on the banana peels after color protection for 10 minutes, rinses them with warm water for 3 times after the banana peels are cooled, squeezes the moisture on the surface of the banana peels with gauze, and then puts the banana peels in an oven at 60°C to dry to moisture 5%, crushed into 200 mesh banana peel powder for subsequent use;

[0030] Surfactant solubilization: add 35L of 1.0% ammonium oxalate aqueous solution to every kilogram of banana peel powder, obtain the extraction feed liquid after stirring evenly, add fatty alcohol polyoxyethylene ether sodium sulfate (AES) by 1% of feed liquid weight, the obtai...

Embodiment 2

[0036] A method for extracting banana peel pectin, the method comprising the steps of:

[0037] (1) Pretreatment: Wash and remove impurities from the banana peel, cut it into small pieces, put it into a mixed solution containing 0.4% sodium bisulfite, 0.3% citric acid, and 0.4% sodium chloride and soak for 15 minutes to protect the color. Water steam inactivates enzymes on the banana peel after color protection for 5 minutes, rinses it twice with warm water after the banana peel is cooled, squeezes the moisture on the surface of the banana peel with gauze, and then puts the banana peel in an oven at 60°C to dry to moisture 4%, crushed into 100 mesh banana peel powder for subsequent use;

[0038] (2) Surfactant solubilization: add 0.8% ammonium oxalate aqueous solution 30L for every kilogram of banana peel powder, obtain extracting feed liquid after stirring evenly, add Tween 80 (span-80) by 0.5% feed liquid weight, the obtained The feed solution was stirred in an ultrasonic w...

Embodiment 3

[0044] A method for extracting banana peel pectin, the method comprising the steps of:

[0045] (2) Pretreatment: wash and remove impurities from the banana peel and cut it into small pieces, put it into a mixed solution containing 0.4% sodium bisulfite, 0.3% citric acid, and 0.4% sodium chloride to protect the color and soak it for 15 minutes. Water steam inactivates enzymes on the banana peel after color protection for 5 minutes, rinses it twice with warm water after the banana peel is cooled, squeezes the moisture on the surface of the banana peel with gauze, and then puts the banana peel in an oven at 60°C to dry to moisture 5%, crushed into 200 mesh banana peel powder for subsequent use;

[0046] Surfactant solubilization: add 0.8% ammonium oxalate aqueous solution 35L for every kilogram of banana peel powder, obtain extracting feed liquid after stirring evenly, add fatty alcohol polyoxyethylene ether (AEO9) by 0.5% of feed liquid weight, the described feed The liquid wa...

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PUM

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Abstract

The invention provides a method for extracting banana peel pectin and belongs to the technical field of natural product extraction. Waste banana peel generated after deep processing of bananas is adopted as a raw material, and the finished natural, safe and non-toxic plant source pectin is prepared through the steps of pretreatment, surfactant solubilizing, microwave-assisted extraction, decoloring and deodorizing, concentration and alcohol precipitation. The surfactant and ultrasonic wave and microwave technologies are combined, extraction consumed time is effectively shortened, the extraction yield is increased, the purposes of saving energy and achieving environment friendliness are achieved, and an effective and feasible reference is provided for comprehensive utilization of the bananas.

Description

【Technical field】 [0001] The invention relates to the technical field of natural product extraction, in particular to a method for extracting banana peel pectin. 【Background technique】 [0002] Pectin is a natural polymer compound, widely used in food, medicine, daily chemical industry and other industries. The application of pectin in food is mainly used as a thickener in the production of jam, jelly, and beverages, and as a stabilizer in the production of ice cream. In addition, pectin can also be used as an emulsifier for cosmetics, an auxiliary agent for pharmaceutical production, etc. [0003] Bananas abound in my country's Hainan, Guangdong, Fujian, Guangxi and other places. In recent years, my country's banana planting industry has developed rapidly. In 2004, the total output of bananas was about 6 million tons, accounting for 47% of the total fruit output of the four provinces in South China. In recent years, the deep processing of bananas has developed rapidly in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08B37/06
CPCC08B37/0045C08B37/0003
Inventor 蒋丽红
Owner 蒋丽红
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