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Lycium barbarum pigment extract and preparation method thereof

A wolfberry pigment and extraction method technology, applied in chemical instruments and methods, drug combinations, pharmaceutical formulas, etc., can solve the problems of environmental pollution, long extraction time, low extraction efficiency, etc., and achieve the effect of simple operation and simplified extraction process

Inactive Publication Date: 2016-01-13
青海花赐生物科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many problems in these methods, such as low extraction efficiency, long extraction time, large loss of pigment and environmental pollution.

Method used

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  • Lycium barbarum pigment extract and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] The preparation of embodiment 1 wolfberry pigment

[0042] 1. Cleaning: sieve 10kg wolfberry to remove the sediment, and wash it with clean water;

[0043] 2. Drying: Dry the cleaned wolfberry at a low temperature of 5°C for 20 hours;

[0044] 3. Crushing: ultrafine pulverizing the wolfberry obtained in step 2 to obtain a powder with a particle size ranging from 10 to 70 μm;

[0045] 4. Extraction: Add the pulverized wolfberry powder obtained in step 3 into a supercritical CO2 reactor, the extraction pressure is 20MPa, the extraction temperature is 60°C, the separation pressure is 5MPa, the separation temperature is 50°C, and the CO2 fluid flow rate is 5-L / h , the extraction time was 6h, and the crude pigment extraction part I was obtained.

[0046] 5. Centrifugation and ultrafiltration: Preliminarily separate the pigment substance from the crude pigment extraction part I with a centrifuge at 5000rpm, separate the thick pigment paste and supernatant, carry out ultrafi...

Embodiment 2

[0050] The preparation of embodiment 2 wolfberry pigment

[0051] 1. Cleaning: sieve 8 kg of wolfberry to remove the sediment, and wash it with water;

[0052] 2. Drying: dry the cleaned wolfberry at a low temperature of 25°C for 10 hours;

[0053] 3. Crushing: ultrafine pulverizing the wolfberry obtained in step 2 to obtain a powder with a particle size ranging from 10 to 70 μm;

[0054] 4. Extraction: Add the pulverized wolfberry powder obtained in step 3 into a supercritical CO2 reactor, the extraction pressure is 50MPa, the extraction temperature is 20°C, the separation pressure is 30MPa, the separation temperature is 10°C, and the CO2 fluid flow rate is 30L / h. After 2 hours, the crude pigment extraction part I was obtained.

[0055] 5. Centrifugation and ultrafiltration: Use a centrifuge at 10,000rpm to preliminarily separate the pigment substances from the crude pigment extraction part I, separate the thick pigment paste and supernatant, and perform ultrafiltration on ...

Embodiment 3

[0059] The preparation of embodiment 3 wolfberry pigment

[0060] 1. Cleaning: sieve the wolfberry to remove the sediment, and wash it with clean water;

[0061] 2. Drying: dry the cleaned wolfberry at a low temperature of 25°C for 10 hours;

[0062] 3. Crushing: ultrafine pulverizing the wolfberry obtained in step 2 to obtain a powder with a particle size ranging from 10 to 70 μm;

[0063] 4. Extraction: Add the pulverized wolfberry powder obtained in step 3 into a supercritical CO2 reactor, the extraction pressure is 50MPa, the extraction temperature is 20°C, the separation pressure is 30MPa, the separation temperature is 10°C, and the CO2 fluid flow rate is 30L / h. After 2 hours, the crude pigment extraction part I was obtained.

[0064] 5. Centrifugation and ultrafiltration: Use a centrifuge at 10,000rpm to preliminarily separate the pigment substances from the crude pigment extraction part I, separate the thick pigment paste and supernatant, and perform ultrafiltration o...

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Abstract

The invention relates to a lycium barbarum pigment extract and a preparation method thereof. Lycium barbarum pigment obtained through cleaning, drying, crushing, extracting, centrifuging, ultrafiltration, purification and concentration has various physiological functions of resisting oxidation, regulating blood fat, protecting vascular endothelial cells, delaying aging, preventing fatigue, enhancing immunity, preventing tumors and the like. Meanwhile, the preparation method of the lycium barbarum pigment extract has the characteristics of being simple in process, easy to operate, relatively high in yield, favorable in quality and environment-friendly.

Description

technical field [0001] The invention relates to the field of plant extracts, in particular to a method for extracting wolfberry pigment which has various physiological functions such as anti-oxidation, regulating blood lipid, protecting vascular endothelial cells, delaying aging, anti-fatigue, enhancing immune function and anti-tumor. Background technique [0002] At present, food safety issues at home and abroad are paying more and more attention to returning to nature, and advocating green has become a development trend. The development of safe, non-toxic, stable, and health-care natural plant pigments has become a development direction of the food industry in recent years. Synthetic pigments will gradually Replaced by natural coloring. Most of the natural pigments come from plants, minerals, animals and microorganisms, among which plants are the main ones. [0003] Lycium barbarum (FructoLxcii) was first recorded in "Shen Nong's Materia Medica", which is the dry and matu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K36/815C09B61/00A61P39/06A61P39/00A61P37/04A61P35/00A61P3/06
CPCY02P20/54
Inventor 任蓓蕾王玉花马龙
Owner 青海花赐生物科技有限公司
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