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A kind of extraction method and application of polysaccharide in mango processing waste

An extraction method and waste technology, which are applied in the field of deep processing of horticultural crop products, can solve the problems of low extraction rate of crude polysaccharide, no antioxidant activity of mango polysaccharide is involved, etc., and achieve a shortened extraction time, obvious antioxidant activity, and high extraction efficiency. Effect

Active Publication Date: 2019-08-30
SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is worth noting that the extraction rate of crude polysaccharides in the above reports is still low, and there are few studies that directly use mango processing waste skin dregs as test materials, and none of them involve the research on the antioxidant activity of mango polysaccharides

Method used

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  • A kind of extraction method and application of polysaccharide in mango processing waste
  • A kind of extraction method and application of polysaccharide in mango processing waste
  • A kind of extraction method and application of polysaccharide in mango processing waste

Examples

Experimental program
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Effect test

Embodiment 1

[0043] A method for preparing mango processing waste polysaccharides, comprising the following steps:

[0044] (1) Mango peel pretreatment: take mango peel, remove impurities, wash, slice, and dry at 40°C for 36 hours; after drying, crush and pass through a 40-mesh sieve;

[0045](2) Rough extraction: add distilled water to the mango skin dregs treated in step (1) for ultrasonic extraction. The specific operation is: extract at 80°C for 60 minutes, stop and soak for 10 minutes every 30 minutes, ultrasonic power is 184w, and the amount of distilled water added Add 30mL for each gram of dried mango pomace, and extract 4 times.

[0046] After cooling the extract to 20°C, centrifuge at a speed of 4000r / min for 10 minutes to separate the supernatant; the supernatant is concentrated under reduced pressure to 1 / 6 of the original volume to obtain a concentrate, and the control conditions during the process of concentration under reduced pressure are: speed 65rpm / min, water bath temp...

Embodiment 2

[0049] A method for preparing mango processing waste polysaccharides, comprising the following steps:

[0050] (1) Mango peel pretreatment: take mango peel, remove impurities, wash, slice, and dry at 70°C for 12 hours; after drying, crush and pass through a 60-mesh sieve;

[0051] (2) Rough extraction: add extractant to the mango peel dregs treated in step (1) for ultrasonic extraction. The specific operation is: add distilled water to extract at 80°C for 120 minutes, stop and soak for 10 minutes every 30 minutes, ultrasonic power is 184w, distilled water The amount of addition is 50mL per gram of dried mango pomace, and the number of extractions is 2 times.

[0052] After cooling the extract to 30°C, centrifuge at a speed of 5000r / min for 5 minutes to separate the supernatant; the supernatant is concentrated under reduced pressure to 1 / 5 of the original volume to obtain a concentrate. Water bath temperature 55°C, vacuum degree 50mbar; cool to 30°C, centrifuge at 5000r / min fo...

Embodiment 3

[0055] A method for preparing mango processing waste polysaccharides, comprising the following steps:

[0056] (1) Mango peel pretreatment: take mango peel, remove impurities, wash, slice, and dry at 50°C for 20 hours; after drying, crush and pass through a 50-mesh sieve;

[0057] (2) Rough extraction: add extractant to the mango peel dregs treated in step (1) for ultrasonic extraction. The specific operation is: add distilled water to extract at 80°C for 110 minutes, stop the machine every 30 minutes and soak for 10 minutes, and the ultrasonic power is 120w of distilled water. The amount of addition is 40mL per gram of dried mango pomace, and extracted 3 times.

[0058] After the extract was cooled to 25°C, the supernatant was separated by suction filtration using a Buchner funnel; the supernatant was concentrated under reduced pressure to 1 / 4 of the original volume to obtain a concentrated solution. Control conditions during the concentration process: speed 70rpm / min, water ...

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Abstract

The invention belongs to the technical field of horticultural crop product deep processing and especially relates to an extraction method and an application of polysaccharides in processing waste of mangos. The extraction method includes the steps of: pretreatment of the processing waste of mangos, crude extraction, and alcohol precipitation and separation. By control on conditions in the steps, extraction time is effectively reduced and extraction rate of the polysaccharides is increased. The polysaccharides have high anti-oxidizing activity and can be directly applied in preparation of health-caring foods and functional cosmetics.

Description

technical field [0001] The invention belongs to the technical field of deep processing of horticultural crop products, and in particular relates to a method for extracting polysaccharides from mango processing waste and its application. Background technique [0002] Mango, also known as Honey Hope, is a famous tropical fruit, which is widely planted in tropical and subtropical regions of my country. It is deeply loved by people because of its rich nutrition, delicate flesh and unique flavor. With the rapid development of the mango processing industry, millions of tons of mango peel residues are produced every year in my country. These discarded scraps are mainly composed of peels, stones, etc., which are rich in sugars, organic acids, proteins, Nutrients such as cellulose, lipids, polyphenols, flavonoids, and minerals are mostly disposed of as garbage, which seriously pollutes the environment. [0003] Polysaccharides are a class of biomacromolecules linked by monosaccharide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08B37/02A61K8/9789A61K8/73A61Q19/08A23L33/125
Inventor 胡会刚赵巧丽谢江辉陈晶晶胡玉林段雅婕
Owner SOUTH SUBTROPICAL CROPS RES INST CHINESE ACAD OF TROPICAL AGRI SCI