Rosemary is a common spice in western cuisine, and rosmarinic acid is a powdery substance with high efficiency, non-toxic and antioxidant effect extracted from rosemary plants. As a high-quality and efficient natural water-soluble antioxidant, rosmarinic acid is widely used as a natural antioxidant in food, functional food, spices and condiments, daily chemical industry and other industries. Rosmarinic acid has many medicinal functions, mainly including the following:
1. Antioxidation
Rosmarinic acid has a strong activity of scavenging free radicals and antioxidation. The antioxidant effect of rosmarinic acid is mainly related to its structure. The study shows that o-diphenol hydroxyl is the material basis of scavenging free radical activity.
2 , antidepressant effect
Some experiments have shown that rosmarinic acid has certain antidepressant effect on animal models of depression. It is undoubtedly good news for patients with depression, because rosmarinic acid is a natural green health extract, which will not harm the human body.
3. Bacteriostasis
Rosmarinic acidIt has broad-spectrum antimicrobial activity and has inhibitory effect on bacteria and fungi. Some experiments show that rosmarinic acid can also be used for the prevention and treatment of oral diseases.
4 Anti inflammatory effect
(1) Anti nephritis effect: rosmarinic acid can inhibit the proliferation of glomerular mesangial cells and glomerular swelling.
(2) Anti hepatitis effect: rosmarinic acid can reduce lipopolysaccharide (LPS) - induced liver injury and significantly inhibit the increase of plasma transaminase level, which proves that rosmarinic acid can protect the liver by removing or reducing superoxide or oxide nitrite.
(3) Anti pneumonia effect: rosmarinic acid inhibits lung injury characterized by neutrophil retention and interstitial edema induced by diesel exhaust particles.
(4) Anti arthritis effect: rosmarinic acid can inhibit collagen induced arthritis and significantly reduce the number of arthritis and affected joints.
(5) Anti periodontitis effect: rosmarinic acid can inhibit the formation of bacterial plaque, thus preventing chronic gingivitis.
(6) Anti dermatitis effect: rosmarinic acid can alleviate atopic eczema or hereditary allergic eczema.
5、 Antiviral effect of rosmarinic acid
Mainly anti herpes virus, anti HIV and anti encephalitis virus.
Because chemical synthetic antioxidants and food additives are prohibited in the United States, the European Union and other countries and regions, rosmarinic acid has a broad market abroad. At present, as food safety is paid more and more attention by the country, rosmarinic acid, as a natural non-toxic food additive, has a bright future.