How well does caffeic acid dissolve in water?

Caffeic acid not only exists in honeysuckle, cypress, artichoke and other plants, but also exists in coffee in the form of chlorogenic acid. It is a phenolic acid compound. It is a light yellow crystalline compound with irritant, soluble in hot water, cold acetic acid and ethyl acetate, slightly soluble in cold water. The basic solution of caffeic acid is orange red, and when caffeic acid meets a solution of ferric chloride, it turns dark green.

Caffeic acid, molecular formula C9H8O4, molecular weight 180.15, CAS number 331-39-5, is not only the inhibitor of TRPV1 ion channel and 5-lipoxygenase (5-LO), but also has a variety of biological activities, widely used in medicine, cosmetics, biochemical research, organic synthesis and other fields.

Caffeic acid is used as pharmaceutical raw material in the pharmaceutical field for the preparation of drugs, and can be added as a moisturizing ingredient in the cosmetics field. Caffeic acid is used in the production of many products, relatively speaking, the pharmaceutical industry more applications.

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