Method for extracting carotenoid monomer pigment mainly containing zeaxanthin from wolfberries
A technology of zeaxanthin and carotene, applied in chemical instruments and methods, azo dyes, organic dyes, etc., can solve the problems of high production cost, difficulty in large-scale preparation, complicated preparation process, etc., and achieve low cost and smooth preparation process The effect of being simple and easy to implement and the preparation process is simple
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[0063] Example 1
[0064] The method for extracting zeaxanthin-based carotenoid monomer pigments from wolfberry specifically includes the following steps:
[0065] A, crush
[0066] Crush and siev the wolfberry, the particle size of the wolfberry powder is 180~300μm;
[0067] B. Preparation of extract
[0068] Add KOH powder to a 95% ethanol solution with a mass concentration of 2g / ml and stir to dissolve it to make a mixed extract;
[0069] C. Pigment extraction
[0070] The wolfberry powder is added to the mixed extract. The wolfberry powder and the mixed extract are mixed and added at a mass ratio of 1:5. The temperature is raised to 40°C and the extraction reaction is performed for 1 hour. The extraction reaction is combined with stirring and ultrasonic treatment. The stirring speed is 150rpm, the ultrasonic power is 150w, and the frequency is 30MHz, filter impurities to obtain wolfberry pigment extract;
[0071] D, separation
[0072] Add 85% H by mass concentration to wolfberry pigme...
Example Embodiment
[0079] Example 2
[0080] The method for extracting zeaxanthin-based carotenoid monomer pigments from wolfberry specifically includes the following steps:
[0081] A, crush
[0082] Crush and siev the wolfberry, the particle size of the wolfberry powder is 300μm;
[0083] B. Preparation of extract
[0084] Add KOH powder to the ethanol solution with 100% mass concentration and stir to dissolve, the KOH mass concentration is 8g / ml to make a mixed extract;
[0085] C. Pigment extraction
[0086] The wolfberry powder is added to the mixed extract. The wolfberry powder and the mixed extract are mixed and added at a mass ratio of 1:15. The temperature is raised to 60°C and the extraction reaction is performed for 5 hours. The extraction reaction is combined with stirring and ultrasonic treatment. The stirring speed is 200rpm, the ultrasonic power is 350w, and the frequency is 80MHz, filter impurities to obtain wolfberry pigment extract;
[0087] D, separation
[0088] Add 30% HCl solution with ...
Example Embodiment
[0095] Example 3
[0096] The method for extracting zeaxanthin-based carotenoid monomer pigments from wolfberry specifically includes the following steps:
[0097] A, crush
[0098] Crush and siev the wolfberry, the particle size of the wolfberry powder is 250μm;
[0099] B. Preparation of extract
[0100] Add KOH powder to the ethanol solution with 100% mass concentration and stir to dissolve, the KOH mass concentration is 6g / ml to make a mixed extract;
[0101] C. Pigment extraction
[0102] The wolfberry powder is added to the mixed extract, and the wolfberry powder and the mixed extract are mixed and added in a mass ratio of 1:5. The temperature is raised to 55°C, and the extraction reaction is 3 hours. The extraction reaction is combined with stirring and ultrasonic treatment. The stirring speed is 180rpm and the ultrasonic power is 200w. Frequency 50MHz, filter impurities to obtain wolfberry pigment extract;
[0103] D, separation
[0104] Add HCl solution with a mass concentration o...
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