Product Name: Rosemary extract ( Rosmarinic acid)

Latin Name: Rosmarinus officinalis

Active Ingredient: Rosemary extract rosmarinic acid

Appearance:

The low content of 5%-60%: yellow powder

The high content of 98%: white powder

CAS No.: 20283-92-5

Chemical formula: C18H16O8

The physical and chemical properties:

Rosemary extract rosmarinic acid is easily soluble in water and ethanol, difficult to dissolve in chloroform, insoluble in oil, anhydrous ethanol, has a strong antioxidant capacity, antioxidant capacity is higher than vitamin E.

Other activities of rosmarinic acid

1) Anti-allergic activity: it has a significant inhibitory effect on skin allergic reactions by improving cytokines, chemical factors and allergen-specific antibodies.

2) Liver protection: Rosemary extract rosmarinic acid can reduce the level of peroxides in the liver, such as glutathione disulfide content and lipid peroxides content, and can also increase the synthesis of glutamylcysteine in the liver, so it can protect the liver injury and lipid peroxidation caused by peroxides.

3) Uv protection: it can reduce the content of free radicals caused by UV, and also reduce the damage of UV to DNA.

4) Protective effect on neuron cells, etc.

Application on Feed and pet food:

￭ Antioxidant

The function of Rosemary extract rosmarinic acid in feed is similar as that in food, and regarding the dosage, it's safe up to the maximum use levels of 300 and 50 mg/kg complete feed (88% DM) for dogs and cats, respectively.

￭ Flavor

The characteristic flavor of Rosemary extract rosmarinic acid attract some animals such as fish, and it's also help to increase feed intake.

The addition of Rosemary extract rosmarinic acid to chicken feed can improve egg production performance, increase egg production, and improve the oxidative stability of eggs stored at room temperature (16±2℃).

Rosemary extract rosmarinic acid has potential value as a natural antioxidant in meat and meat products. The test showed that with the increase of storage time, fat oxidation of chicken ground meat gradually increased, and rosmarinic acid, a rosemary extract, could significantly delay fat oxidation, reduce cooking loss of ground meat, prevent PH from rising too fast, and improve the quality of ground meat.

Application on Cosmetics:

Keep Moisture

Rosemary extract rosmarinic acid is easy to combine with water so it can help to keep moisture when being used in cosmetics.

Photo-protection

Malonyldialdehyde formation was delayed when Rosemary extract rosmarinic acid was used, and in vivo experiments show the capacity of RA orally administered to inhibit cutaneous alterations caused by UVA exposure.

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