1. Introduction
Rosmarinic acid is a water-soluble natural phenolic acid compound isolated from the rosemary of the Labiatae family. It is widely distributed, mainly in the Labiatae, Comfrey, Cucurbitaceae, Among the various plants of the genus Eucalyptus and Umbelliferae, the highest content is found in the labiatae and comfrey plants.Rosemary leaf extract powder is widely applied in food and cosmetic field now.

2. Specification
Product name | Rosmarinic acid |
Appearance | Brown |
Other name | Rosemarinicacid;(R)-alpha-[3-(3,4-Dihydroxyphenyl)-1-oxo-2E-propenyl]oxy-3,4- dihydroxybenzenepropanoic acid |
Main specification | 15%、90%、98% |
CAS No. | 20283-92-5 |
EINECS | 606-487-1 |
Molecular formula | C18H16O8 |
3. Solubility & stability
-Solubility: soluble in water and ethanol solution, insoluble in chloroform, insoluble in oil, anhydrous ethanol.
-Stability: suitable for storage and use under acidic and low temperature conditions, rosemary acid has strong thermal stability .
4. Function
1 Anti-oxidant
-In cosmetic: RosA antioxidant activity is stronger than vitamin E,chlorogenic acid, folic acid.
-In food field: Rosemary extract is widely recognized as a natural antioxidant because it is not sensitive to light and heat and acid, and therefore plays an antioxidant role in food supplements and beverages, fresh meat, and even condiments.
2 Antibacterial, anti-inflammatory, anti-viral, anti-tumor
3 Liver protection
4 Whitening skin
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| Anti-oxidant | Antibacterial | Liver protection |
5. Application
1 Food field:Preservative
Advantage: Naturally non-toxic, with anti-oxidation and anti-corrosion effects.
Applicaiton: Due to its strong antioxidant activity, rosmarinic acid has been developed into a food oxidant mainly used in various beverages, aquatic products and natural water-soluble pigments.
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| Cosmetic | Preservative |
2 Cosmetic field:
Rosemary extract antioxidant function is strong.It can reduce the amount of free radicals caused by UV rays, inhibits the formation of melanin, whitens and moisturizes; promotes scalp blood circulation and improves hair loss.
Recommended amount: 0.02%-0.1%
3 Medicine field:
Anti-aging, treatment of heart disease, arteriosclerosis, phlebitis, Alzheimer's disease, coronary heart disease and cancer.
6. Attention
1. Easy to absorb moisture.
2. Not suitable for use under alkaline conditions.
3. Light has a great influence on rosmarinic acid, so it should be protected from light when used.
4. Ca2+ and Mg2+ have great influence on the stability of rosmarinic acid, and should avoid contact with calcium and magnesium during use.
5. Ascorbic acid has a certain effect on rosmarinic acid, and the effect of low concentration is small.
7. Feature&Advantage

8.Why choose us?







