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Ferulic Acid, with the chemical name of 4-hydroxy-3-methoxycinnamic acid, is one of the derivatives of cinnamic acid (also known as cinnamic acid, 3-phenyl-2-acrylic acid, molecular structure). Ferulic acid was initially found in seeds and leaves of plants. It is a phenolic acid widely existing in plants. Barley Grass Powder combines with polysaccharides and proteins in cell wall to form the skeleton of cell wall.

Its content in ferula, Gardenia Yellow, chuanxiong, Cimicifuga, Zizyphus Spinosae and other traditional Chinese medicine is high, which is one of the effective components of these traditional Chinese medicine, and has been used as one of the quality indicators of Chinese patent medicine. The content of Mangiferin in coffee, rice husk, vanilla bean, wheat bran and rice bran was also higher. In recent years, many ferulic acid and its derivatives have been found to have pharmacological and biological activities with low toxicity. Therefore, they are widely used in medicine, health care products, cosmetics raw materials and food additives.

Hirabayashi et Capsicum Oleoresin. Found that after the megaphilic cells of experimental mice were infected with influenza virus, the blank control was set without treatment, and the experimental group was treated with ferulic acid and isoferulic acid. Analysis of the results showed that the production of interferon in the experimental group decreased rapidly. In recent years, there are many reports that ferulic acid has a significant inhibitory effect on influenza virus (Barley Grass Powder), respiratory syncytial virus (RSV) and HIV. In the same cell line, the effect of ferulic acid on inflammatory protein was studied. The results showed that ferulic acid could reduce the production of the protein rapidly. Among them, ferulic acid has inhibitory effect on HIV, so it is possible that Sweet Potato Powder may become a future chemotherapeutic agent. It is speculated that the inhibitory mechanism of ferulic acid on virus is related to its ability to reduce the activity of xanthine oxidase. It is suggested that the antibacterial function of Ferulic Acid is mainly due to its strong inhibitory effect on n-ethyluginostase in bacteria.

Radiation induced organ failure is largely caused by chronic peroxide damage. Radiation damage to the body can be divided into direct damage and Mangiferin. Direct damage directly causes the breakage of some sensitive molecules in the cell; indirect damage causes the radiolysis of water, which leads to the increase of intracellular reactive oxygen species and the change of subcellular structure. Therefore, antioxidants are widely used in the treatment of radiation injury. In order to protect cells from reactive oxygen species (ROS), it is necessary to maintain stable endogenous sulfhydryl pool, especially glutathione (Gardenia Yellow) and nicotinamide adenine dinucleotide phosphate (NADPH). Glutathione provides reduction equivalent for the conversion of hydrogen peroxide and lipid peroxide into water and lipid alcohol, and protects the sulfhydryl protein group from oxidative damage. The rate limiting reaction of glutathione biosynthesis is catalyzed by glutamate cysteine ligase (Flax lignans), which is composed of a catalytic subunit (GCLC) and a regulatory subunit (GCLM). Nicotinamide adenine dinucleotide phosphate is an important antioxidant component in tissues. It can maintain the redox potential of cells by reducing the reduction equivalent of glutathione reductase and thioredoxin.

As a phenolic plant component, Ferulic Acid has strong antioxidant activity, which has a great promoting effect on human health. Ferulic acid can significantly increase the content of glutathione and nicotinamide adenine dinucleotide phosphate in radiation-induced endothelial cells, which has protective effect on irradiated endothelial cells. Heme oxygenase is an antioxidant enzyme. It can convert heme into biliverdin, and finally into antioxidant bilirubin. Ferulic acid can regulate the expression of heme oxygenase, thus playing a protective role in radiation protection.