Natural mango dye based on mango yellow pigment and preparation method of natural mango dye

Abstract

The invention provides a natural mango dye based on mango yellow pigment and a preparation method thereof. The specific operation steps are: (1) clean the fresh and ripe mango, remove the pulp, boil the mango peel in boiling water for 30 seconds to remove the activity of the enzyme , take out and dry, chop to obtain crushed mango peel; (2) immerse the crushed mango peel in a solvent, and extract repeatedly 3-4 times until the extract is colorless, combine and mix the extract, and undergo ultrasonic treatment and After being filtered by an ultrafiltration membrane, it is concentrated to obtain a filtrate containing mango yellow pigment; (3) adding chitosan, aloe vera gel and deionized water to the filtrate containing mango yellow pigment, heating and stirring evenly to obtain a product. The natural mango dye based on mango yellow pigment prepared by the invention is non-toxic, non-polluting, green and degradable, has antibacterial, anti-ultraviolet and other health care effects, and is different from traditional fabric dyes in that it has high dye content and high dye extraction rate , The performance of the dye is stable, the dyeing rate of the dyed fabric is high, and the color fastness is good.

Description

Technical field: [0001] The invention belongs to the technical field of textile materials, and in particular relates to a natural mango dye based on mango yellow pigment and a preparation method thereof. Background technique: [0002] Mango, also known as An Luo Guo, Lime Fruit, Miwangzi, Xianggai, is rich in vitamins and sugars. It is a famous tropical fruit and is known as the king of tropical fruits. In recent years, my country's mango industry has also achieved rapid development. Development, the products prepared from mango mainly include mango jam, mango preserved, mango drink and so on. In the manufacturing process of mango products, a large amount of leftover mango skin, mango core and mango leaves will be produced. At present, the leftovers of mango production have not been fully utilized, which not only utilizes resources, but also pollutes the environment. [0003] At present, there have been many reports that pigments can be extracted from natural plants as raw m...

AI Technical Summary

Problems solved by technology

However, at present, natural pigments are widely used in the food industry as food pigments, and are less used in other aspects, and the comprehensive utilization rate is not high.

[0005] my country is a big textile country, and dyeing and finishing is an indispensable link in textiles. However, most of the dyes currently used are synthetic dyes, which are extremely harmful to the environment.

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