What is the appearance characteristic of caffeic acid? It is usually yellow in color and crystalline in form. It exists naturally in the form of esters and glycosides in traditional Chinese medicine plants such as capillaries, artichokes, and honeysuckle. Caffeic acid is not only the metabolite of lignin synthesis but also the intermediate product of phenylpropane metabolism in tobacco. It is widely used in medicine, health products, and other fields.
Caffeic acid exists in tobacco as a phenolic substance. In tobacco production, caffeic acid plays a key role in tobacco color, aroma, and quality. At the same time, caffeic acid in tobacco leaves is an important index to measure the quality of tobacco leaves, so it can be used to judge their quality.
Caffeic acid can be obtained by condensation, demethylation, hydrolysis, and other chemical synthesis reactions to prepare 3, 4-dihydroxybenzaldehyde, 3-methoxy-4-hydroxybenzaldehyde, 3, 4-dimethoxy-benzaldehyde, 3, 4-methylene dioxybenzaldehyde and substituted cinnamate for condensation, demethylation, and hydrolysis of chemical synthesis reactions.
Caffeic acid in the pharmaceutical industry can play an antibacterial, antiviral, antioxidant, anti-cancer, immunomodulatory, and other functions, has a good effect on the prevention and treatment of various bleeding symptoms, can also play a positive role in the treatment of cancer, cancer, and other diseases.