What are the antibacterial properties of 3,4-dihydroxybenzoic acid?

3,4-dihydroxybenzoic acid is a phenolic acid that can be dissolved in hot water, ethanol, ethyl ether, acetone, and ethyl acetate. It is naturally found in a variety of foods and plants, such as fruits, vegetables, viennica, tea, hibsharon flower, etc. At present, 3,4-dihydroxybenzoic acid seen in the market is mainly white to brown crystalline powder, which needs to be sealed and stored, and will change color if exposed to air for a long time.

3,4-dihydroxybenzoic acid has antibacterial, anticancer, anti-inflammatory, antioxidant and other biological activities.

The antibacterial effect of 3,4-dihydroxybenzoic acid can inhibit diplococcus pneumoniae, Haemophilus influenzae, Staphylococcus albicans, Staphylococcus aureus, Pseudomonas aeruginosa, Proteus and Escherichia coli.

The anticancer effect of 3,4-dihydroxybenzoic acid plays its role by inhibiting the metabolism of cancer cells and reducing the invasion ability of cancer cells. Protocatechuic acid can promote the apoptosis of human lung, cervix, breast and prostate cancer cells and reduce the vitality of cancer cells. 3,4-dihydroxybenzoic acid can promote the apoptosis of cancer cells or achieve anticancer effects by delaying the infiltration and metabolism of tumor cells.

3,4-dihydroxybenzoic acid has a variety of uses, but at present, it is more widely used in the medical field.

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