3, 4 – dihydroxybenzoic acid, also known as protocatechuic acid, is a kind of appearance for white to the brown crystalline powder, organic acids, naturally in scale beginning fern families wu fern plant leaves, aquifoliaceae Holly, salvia miltiorrhiza, lotus and other plants as well as in the traditional Chinese medicine (TCM), 3,4-dihydroxybenzoic acid acid as the water-soluble phenolic acids, are widely used in various kinds of pharmaceutical products.
3, 4-dihydroxybenzoic acid has a variety of pharmacological effects, such as improving myocardial oxygen resistance, reducing myocardial oxygen consumption, anti-platelet agglutination, slowing heart rate, anti-HBV, antibacterial, inhibiting arteriosclerosis and so on. Daily, we can take in a proper amount of protocatechin acid through food, which is helpful for the prevention of some cardiovascular diseases.
In recent years, the application of 3, 4 – dihydroxybenzoic acid is not limited to the medical field, in the feed, environmental protection and other fields also opens up a new application, in the field of feed, add to use 3, 4 – dihydroxybenzoic acid, some of the prevention and treatment of livestock disease can have the effect of the ideal effect, helps to raise livestock in terms of economic benefits.