A kind of natural pigment color protecting agent, preparation method and application

A technology of natural pigments and color-protecting agents, applied in the direction of natural dyes, carboxylate preparations, chemical instruments and methods, etc., can solve the problems of harmfulness to the human body and insufficient range of application, and achieve less impurity content and outstanding color-protecting effect , The effect of application process safety
CN105315706BActive Publication Date: 2017-07-04杨永
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
杨永
Publication Date
2017-07-04

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Abstract

The invention provides a natural pigment color fixative and a preparation method thereof. The preparation method comprises the following steps: performing water extraction, concentration, extraction, column separation, crystallization and recrystallization on a rosemary raw material to obtain high-purity rosmarinic acid with the content of 95-98%; and performing alcohol extraction, concentration, centrifugation, continuous phase transition extraction, crystallization, recrystallization and drying on the rosemary raw material subjected to water extraction to obtain high-purity carnosic acid with the content of 95-98%, and performing diluting and compounding to obtain a carnosic acid preparation. The rosmarinic acid and the carnosic acid prepared by the method provided by the invention can be used as a color fixative for water-soluble pigments and lipid-soluble pigments, and compared with low-content rosmarinic acid, low-content carnosic acid and a chemically synthesized natural pigment color fixative, the rosmarinic acid and the carnosic acid have the advantages of being low in impurity content, light in taste and color, more outstanding in color protection effect, safer in application process, greater in application significance and wider in application range.
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Description

technical field

[0001] The invention belongs to the technical field of food pigment color protection, and more specifically relates to a natural pigment color protection agent and its preparation method and application. Background technique

[0002] Rosemary is a precious natural spice plant. It emits a fragrance during the growing season, which has the effect of refreshing the heart. Rosemary mainly contains active substances such as strong antioxidants. Carnosic acid, ursolic acid, and rosmarinic acid are the three main antioxidant active substances in rosemary plants, which are widely used in food, medicine, daily chemicals, spices, and seasonings. Rosemary antioxidant is currently recognized as the natural antioxidant with the highest known antioxidant effect and safety. This natural antioxidant has been widely used in developed countries such as Europe and the United States. In recent years, it has gradually been applied to various fields in China. .

[0003] Natural...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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