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Ursolic Acid CAS NO. : 77-52-1
Specification: 15%, 25%,50%,58%,80%,90%,98% Ursolic acid![]() |
Rosemary Leaf Extract Ursolic Acid
Product Description
What is Ursolic acid?
Ursolic acid, also known as urson, prunol and malol is a pentacyclic triterpenoid compound which is naturally presented in a large number of vegetarian foods, medicinal herbs, and other plants.
We extract the Ursolic acid from leaf of Rosemary(Rosmarinus officinalis Linn.).It is a natural product with a wide range of biological effects.
Specification of Ursolic Acid:
Source: Rosemary leaf
Country of origin: China
CAS NO.: 77-52-1
Molecular formula: C12H14O2
Molecular weight: 456.7
Appearance: Green, yellow-green powder
Specification: 15%, 25%,50%,58%,80%,90%,98% Ursolic acid
Testing method: HPLC
Functions of Ursolic acid:
1. Antimicrobial activity. Not only inhibits G +, G-bacteria but fungi as well in vitro.
2. Anti-aging agent, which can be used to improve the health of skin and hair.
3. Anti-inflammatory activity. It has been recommended for use in burn ointments.
4. Obvious antioxidant activity.
5. Calm spirit and has cooling effect.
Specification Sheet of Ursolic acid 25%
|
ITEMS |
SPECIFICATION |
|
Active Ingredient(HPLC) |
Ursolic acid 25% |
|
Plant Part Used |
Leaf |
|
Appearance |
Yellow green powder |
|
Odor |
Characteristic |
|
Accessory |
Negative |
|
Extract Solvents |
Ethanol & Water |
|
Drying Method |
Spray drying |
|
Particle Size |
100% through 80 mesh |
|
Solubility |
Slightly soluble in ethanol |
|
Loss on Drying |
2.68% |
|
ASH |
2.42% |
|
Heavy Metals |
≤10.00ppm |
|
As |
≤2.0ppm |
|
Solvent Residue |
≤0.05% |
|
Total Plate Count |
≤1000cfu/g |
|
Yeasts and Molds |
≤100cfu/g |
|
Staphylococcus |
Negative |
|
E.Coli |
Negative |
|
Salmonella |
Negative |
Extraction Process Flow Chart:

Pictures
Pictures of Ursolic acid:
Ursolic acid 25%:

Ursolic acid 50%:

Ursolic acid 95-98%:

Packing and Storage:
Packaging Detail: 25kg/durm, paper-drums and two plastic-bags inside and Can be customerized.
Storage: Store in a well-closed container away from moisture
Shelf Life: 2 years if sealed and store away from direct sun light.
| Package | Small quantity | Double plastic bag inside |
|---|---|---|
| (Less than 1kg) | ![]() |
|
| Commercial quantity | 25kg fiber / drum or bag![]() |
|
| Liquid package | Fluoride bottle drums![]() |











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