What kind of substance is caffeic acid?

What is caffeic acid?

Caffeic acid is a yellow crystal, which is not only a metabolite of lignin synthesis pathway, but also an intermediate product of phenylpropane metabolism pathway in tobacco. This substance usually exists in the form of ester and glucoside, and is naturally found in traditional Chinese medicine plants such as honeysuckle, thistle, and Wormwood. However, in industry, Caffeic acid can be prepared from 3, 4-dihydroxybenzaldehyde, 3-methoxy-4-hydroxybenzaldehyde, 3, 4-dimethoxy-benzaldehyde, 3, 4-methylene benzaldehyde and substituted cinnamate through corresponding condensation reaction, demethylation reaction and hydrolysis reaction.

What are the main uses of caffeic acid?

Caffeic acid is a phenolic substance in tobacco, which is a main component of tobacco flavor in trial production. It plays a certain role in tobacco color, flavor and quality. Therefore, caffeic acid content is of great significance to judge the quality of tobacco.

Caffeic acid, on the other hand, also plays an important role in the medical field, because the caffeic acid has cardiovascular protection, anti mutagenesis, anticancer, antivirus, antioxidant, antibacterial, immune regulation, such as pharmacological effects, in clinic, can be used for the prevention and treatment of bleeding symptoms, in the treatment of tumor, the cancer disease also has a positive effect.

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