Method of extracting and purifying anthocyanin from suaeda salsa
A technology of Suaeda salsa and anthocyanins, applied in chemical instruments and methods, organic chemistry, azo dyes, etc., can solve the problem of low energy consumption and achieve the effect of simplifying the process
Inactive Publication Date: 2015-12-23
YANCHENG INST OF TECH
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Abstract
The invention discloses a method of extracting and purifying anthocyanin from suaeda salsa. The method comprises the steps of preprocessing of raw materials, digestion, purification and drying. The method is used for extracting the natural pigment of anthocyanin with biological healthcare functions from the suaeda salsa which is halophyte widely distributed on saline land at coastal mudflat. The method overcomes the defects that current sources of raw materials for anthocyanin extraction are limited, extraction processes are tedious, and much energy is consumed; moreover, since suaeda salsa plants are low in sugar content, tedious desugarization processes are not needed, and the technological process is simplified. Meanwhile, by means of the process, tests confirm that AB-8 macroporous adsorption resin is the optimal resin for purifying pigments; after the anthocyanin is subjected to purification, the color value of the anthocyanin is increased to 5.6 which greatly exceeds the national standard requirement of 3.0 with respect to natural pigments in food additives.
Application Domain
Organic chemistryNatural dyes
Technology Topic
ChemistryDigestion +9
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