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Method for extracting henna flower pigment

A technology of henna flowers and pigments, applied in chemical instruments and methods, azo dyes, organic dyes, etc., can solve the problems of uneven henna flower juice, difficult industrial production, unsatisfactory effects, etc., and achieve significant economic benefits and The effect of social benefits, rich added value, and short production cycle

Inactive Publication Date: 2014-05-14
何诚慧
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional plant pigment extraction method is intermittent production, the process is complicated, the cycle is long, the henna flower juice extracted by soaking is not uniform, and the protein, cellulose, pectin and other colloidal particles in the henna flower juice are difficult to filter Adding enzyme preparations, regulators and antioxidants to the filtrate is not ideal for deodorizing, and therefore brings insurmountable difficulties to large-scale industrial production

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] 1. Put 48T henna flowers into the brush-lined drum washing machine at 2T / h, adjust the drum speed to 5-6r / min, wash with 4T / h flowing water, and cut the cleaned henna flowers The silk machine shreds, and the filaments fall to the multi-layer cascaded mesh belt washing and extraction device, which is manually flattened to form a henna flower layer with a thickness of 40cm and a width of 2m. The washing device uses an acidic aqueous solution with a water volume of 24T / h The silk layer on the belt is rinsed and extracted. The pH value of the acidic aqueous solution is 2.5-5. The henna red pigment aqueous solution is collected under the mesh belt and flows downstream to the clarification buffer tank. Add 480kg of sodium alginate solution to the tank and let it stand for 1 hour;

[0023] 2. After sand filtration and precision filtration, put it on the adsorption resin column, the column height is 4m, the diameter is 1.2m, and the resin is filled with 2m 3 , the resin column ...

Embodiment 2

[0026] 1. Put 58T henna flowers into the brush-lined drum cleaning machine at 2.42T / h, adjust the drum speed to 5-6r / min, wash with 5T / h flowing water, and clean the henna The flowers are shredded with a shredder, and the filaments fall onto the multi-layer cascaded mesh belt rinse extraction device, which is manually flattened to form a henna flower filament layer with a thickness of 46cm and a width of 2m. The aqueous solution is rinsed and extracted from the silk layer on the mesh belt. The pH value of the acidic aqueous solution is 2.5-5. The henna red pigment aqueous solution is collected under the mesh belt and flows downstream to the clarification buffer tank. Add 500kg of chitin solution to the tank and let it stand for 2 hours. ;

[0027] 2. After sand filtration and precision filtration, put it on the adsorption resin column, the column height is 4m, the diameter is 1.2m, and the resin is filled with 2m 3 , 35 m step-by-step feeding of the resin column 3 / hr Feed f...

Embodiment 3

[0030] 1. Put 55T henna flowers into the tumbler cleaning machine lined with maori at 2.3T / h, adjust the drum speed to 5-6r / min, wash with 5T / h flowing water, and cut the cleaned henna flowers The silk machine shreds, and the filaments fall onto the multi-layer cascaded mesh belt washing and extraction device, which is manually flattened to form a henna flower layer with a thickness of 44cm and a width of 2m. The washing device uses an acidic aqueous solution with a water volume of 26T / h The silk layer on the belt is rinsed and extracted. The pH value of the acidic aqueous solution is 2.5-5. The henna red pigment aqueous solution is collected under the mesh belt and flows downstream to the clarification buffer tank. Add 390kg of chitosan solution to the tank and let it stand for 2 hours;

[0031] 2. After sand filtration and precision filtration, adsorb resin particles, the column height is 4m, the diameter is 1.2m, the resin is filled with 2m3, and the resin column is fed in s...

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PUM

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Abstract

The invention discloses a method for extracting a henna flower pigment and in particular relates to a method for extracting a plant pigment, belonging to the field of deep processing of agricultural products. The method is characterized by comprising the following step: with fresh henna flowers as raw materials, performing continuous production processes of washing, shredding, drip washing, extracting, concentrating, spray drying, vacuum combination drying, removing peculiar smell and the like to obtain the henna flower pigment. The method has the beneficial effects that the smell can be radically removed without an enzyme preparation, a regulator or an antioxidant; the production cycle is short, equipment is simple, the process conditions are mild, the investment is low, the action is quick, and the pigment can be recycled; henna flower residues can be sold as salted vegetable raw materials or feeds, so that a high added value is obtained; the production process is free from three waste discharge, pollution-free and environmentally friendly; the raw material source is wide, and the method can be popularized and applied on a national scale and has remarkable economic and social benefits.

Description

technical field [0001] The invention relates to a method for extracting plant pigment, which belongs to the field of deep processing of agricultural products, in particular to a method for extracting henna anthocyanin. Background technique [0002] Henna is commonly known as henna, impatiens. After the leaves and flowers are smashed, add alum to dye nails. It is a natural dye and also a medicinal plant. The research status of henna flower at home and abroad is summarized, including chemical composition, physiological activity and application. Henna flower contains coumarin, quinones, flavonoids and other chemical components, which have strong physiological activity. As a natural dye, henna flower can be used as a raw material for hair dyes, fuel for fabrics, fuel for tattoos and protein detection due to its natural and non-toxic properties; henna flower also has high medicinal value and can be used for Treat headaches, jaundice and leprosy, etc.; Henna flowers can also ...

Claims

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Application Information

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IPC IPC(8): C09B61/00
Inventor 何诚慧
Owner 何诚慧
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