cwl type centrifugal extraction machine Chinese medicine extraction technology of extracting anthocyanins
. cwl type centrifugal extraction machine anthocyanins technology, the traditional Chinese medicine extraction technology to extract with a certain proportion of acidic ethanol constant temperature processing, take on centrifugal supernatant, rotary evaporation, macroporous resin adsorption, anthocyanins blueberry extract after freeze drying.
anthocyanins contained multiple phenolic hydroxyl group, is a water-soluble pigments, soluble in polar solvents such as methanol, ethanol and water.
Due to toxic methanol, is not suitable for extraction of food grade pigment, and the extraction efficiency of water and low and not easy to concentrate, so in the process of extraction by ethanol solvent extraction agent, in the process of the experiment of extraction temperature, extraction time, ethanol concentration, solid-liquid ratio on the extraction effect to do the research.
Anthocyanins extract not only contain anthocyanins, contains impurities such as protein, polysaccharide, organic acid, need further purification.
In order to prevent the degradation of anthocyanins and improve the dissolution rate of anthocyanins, often add a small amount of inorganic acid in solvent or organic acid, the extract of PH control in 3.
Below is. cwl type centrifugal extraction machine extraction technology of extracting effective ingredients of traditional Chinese medicine flow chart.
Chart 1 - extraction process
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