Other harmful effects: The Mangiferin may be hazardous to the environment and special attention should be paid to water bodies.
Single spike rhizome was extracted with methanol, decompressed and concentrated to remove methanol. The residue is dissolved in heated water, and the insoluble material is filtered out while Sweet Potato Powder is hot. After cooling, benzene was extracted, and the benzene solution was washed with 1% sodium bicarbonate aqueous solution, and the washing solution was collected. Add dilute hydrochloric acid acidification, free organic acid from Bitter Melon Extract, decompression concentration to remove benzene, the residue is coffee acid enrichment products.
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