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Extraction method of fructus-clausenae-lanii-peel uranidin

An extraction method, yellow pigment technology, applied in chemical instruments and methods, azo dyes, organic dyes, etc., can solve the problems of less research on the extraction of yellow peel pigments, achieve loose particles, short extraction time, and simple method Effect

Inactive Publication Date: 2017-05-10
聚吉减肥塑形科学技术研究院(广州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] According to the search results, among the existing patented technologies of wampee extracts, the extraction methods of active substances in wampes leaves and cores are mainly used, and there are few studies on the extraction of wampes peel pigments.

Method used

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  • Extraction method of fructus-clausenae-lanii-peel uranidin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] A method for extracting yellow pigment from yellow peel, comprising the following steps:

[0029] 1) Take the peel of the yellow skin, wash it, and crush it;

[0030] 2) Add distilled water to the crushed yellow peel, the ratio of solid to liquid is 1:60 (g / mL), place it at a low temperature of -15°C until it is completely frozen, then take it out and melt it at room temperature, add 0.6% cellulase, and Enzyme hydrolysis at 40°C for 35 minutes;

[0031] 3) centrifuging and discarding the precipitated part of impurities to obtain the yellow pigment crude extract of the yellow peel;

[0032] 4) passing the yellow pigment crude extract of the yellow peel of the yellow skin through a 100nm microfiltration membrane to obtain the primary effluent;

[0033] 5) passing the primary effluent through an ultrafiltration membrane with a molecular weight cut-off of 5KDa to obtain the final effluent;

[0034] 6) Vacuum freeze-drying the final effluent to obtain the yellow pigment o...

Embodiment 2

[0038] A method for extracting yellow pigment from yellow peel, comprising the following steps:

[0039] 1) Take the peel of the yellow skin, wash it, and crush it;

[0040] 2) Add distilled water to the crushed yellow peel, the ratio of solid to liquid is 1:80 (g / mL), and place it in a low temperature -20°C to freeze until it is completely frozen, then take it out and melt it at room temperature, add 0.8% cellulase, and Enzyme hydrolysis at 50°C for 25 minutes;

[0041] 3) centrifuging and discarding the precipitated part of impurities to obtain the yellow pigment crude extract of the yellow peel;

[0042] 4) passing the yellow pigment crude extract of the yellow peel of the yellow skin through a 200nm microfiltration membrane to obtain the primary effluent;

[0043] 5) passing the primary effluent through an ultrafiltration membrane with a molecular weight cut-off of 3KDa to obtain the final effluent;

[0044] 6) Vacuum freeze-drying the final effluent to obtain the yello...

Embodiment 3

[0047] A method for extracting yellow pigment from yellow peel, comprising the following steps:

[0048] 1) Take the peel of the yellow skin, wash it, and crush it;

[0049] 2) Add distilled water to the pulverized yellow peel, the ratio of solid to liquid is 1:100 (g / mL), place it in the low temperature -18 ℃ and freeze until it is completely frozen, then take it out and melt it at room temperature, add 1.0% cellulase, and Enzyme hydrolysis at 55°C for 20 minutes;

[0050] 3) centrifuging and discarding the precipitated part of impurities to obtain the yellow pigment crude extract of the yellow peel;

[0051] 4) passing the yellow pigment crude extract of the yellow peel of the yellow skin through a 150nm microfiltration membrane to obtain the primary effluent;

[0052] 5) passing the primary effluent through an ultrafiltration membrane with a molecular weight cut-off of 4KDa to obtain the final effluent;

[0053] 6) Vacuum freeze-drying the final effluent to obtain the ye...

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Abstract

The invention discloses an extraction method of fructus-clausenae-lanii-peel uranidin. The extraction method comprises the following steps: 1), taking fructus-clausenae-lanii peel, and washing cleanly and smashing the fructus-clausenae-lanii peel; 2), adding the smashed fructus-clausenae-lanii peel into distilled water for mixing, putting an obtained first mixture at a low temperature for refrigeration until the first mixture is completely frozen, afterwards, taking out the first mixture for thawing at a room temperature, and adding cellulase into the first mixture for enzymolysis, so as to obtain a fructus-clausenae-lanii-peel extracting solution; 3), centrifugally separating the fructus-clausenae-lanii-peel extracting solution to abandon a precipitated part impurity, so as to obtain a fructus-clausenae-lanii-peel uranidin crude extracting solution; 4), enabling the fructus-clausenae-lanii-peel uranidin crude extracting solution to pass through a 100nm to 200nm microfiltration membrane, so as to obtain primary effluent liquid; 5), enabling the primary effluent liquid to pass through an ultrafiltration membrane of which the cutoff molecular weight is 3KDa to 5KDa, so as to obtain final effluent liquid; 6), carrying out vacuum freeze drying on the final effluent liquid, so as to obtain the fructus-clausenae-lanii-peel uranidin. The method provided by the invention is simple; the uranidin obtained through extraction is brilliant yellow; particles are loose; the solubility is good.

Description

technical field [0001] The invention belongs to the technical field of pigment extraction, and in particular relates to a method for extracting yellow pigment from yellow peel. Background technique [0002] With the continuous deepening of medical, toxicology and biological experiment research, people are paying more and more attention to the harm of excessive use of synthetic pigments to human health, so the amount of synthetic pigments used as food additives is becoming more and more strict. Natural pigments are bright and attractive, full of natural feeling, especially some natural pigments are the ingredients of people's daily diet, and have certain nutritional value and pharmacological health care function. Among natural pigments, yellow hues are relatively soft and attractive compared with other hues, which can make consumers have a strong desire to buy. With the large demand in foreign markets, natural yellow pigments are in short supply. [0003] Common pigment extr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09B61/00C09B67/54
CPCC09B61/00C09B67/0096
Inventor 不公告发明人
Owner 聚吉减肥塑形科学技术研究院(广州)有限公司
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