China Manufacturer for Kesar Extract - Rosemary Extract – Ruiwo
China Manufacturer for Kesar Extract - Rosemary Extract – Ruiwo Detail:
Product Description
Product Name: Rosemary Extract
Category: Plant Extracts
Effective components: Rosmarinic Acid
Product specification: 20%
Analysis: HPLC
Quality Control: In House
Formula: C18H16O8
Molecular weight: 360.31
CAS No: 20283-92-5
Appearance: Red orange powder
Identification: Passes all criteria tests
Product Function:
Rosemary Oleoresin Extract was found to exhibit photoprotective effect against ultraviolet C (UVC) damage when examined in vitro. Anti-oxidant. Rosemary Extract preservative.
Storage: keep in cool and dry place, well-closed, away from moisture or direct sunlight.
Certificate of Analysis
| Product name | Rosemary Extract | Botanical Source | Salvia Rosmarinus |
| Batch NO. | RW-RE20210503 | Batch Quantity | 1000 kgs |
| Manufacture Date | May 3. 2021 | Expiration Date | May 7. 2021 |
| Solvents Residue | Water&Ethanol | Part Used | leaf |
| ITEMS | SPECIFICATION | METHOD | TEST RESULT |
| Physical&Chemical Data | |||
| Color | Red orange | Organoleptic | Conforms |
| Ordour | Characteristic | Organoleptic | Conforms |
| Appearance | Powder | Organoleptic | Conforms |
| Analytical Quality | |||
| Assay(Rosmarinic Acid) | ≥20% | HPLC | 20.12% |
| Loss on Drying | 5.0% Max. | Eur.Ph.7.0 [2.5.12] | 2.21% |
| Total Ash | 5.0% Max. | Eur.Ph.7.0 [2.4.16] | 2.05% |
| Sieve | 100% pass 80 mesh | USP36<786> | Conforms |
| Solvents Residue | Meet Eur.Ph.7.0 <5.4> | Eur.Ph.7.0 <2.4.24> | Conforms |
| Pesticides Residue | Meet USP Requirements | USP36 <561> | Conforms |
| Heavy Metals | |||
| Total Heavy Metals | 10ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
| Lead (Pb) | 2.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
| Arsenic (As) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
| Cadmium(Cd) | 1.0ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
| Mercury (Hg) | 0.5ppm Max. | Eur.Ph.7.0 <2.2.58> ICP-MS | Conforms |
| Microbe Tests | |||
| Total Plate Count | NMT 1000cfu/g | USP <2021> | Conforms |
| Total Yeast & Mold | NMT 100cfu/g | USP <2021> | Conforms |
| E.Coli | Negative | USP <2021> | Negative |
| Salmonella | Negative | USP <2021> | Negative |
| Packing&Storage | Packed in paper-drums and two plastic-bags inside. | ||
| N.W: 25kgs | |||
| Store in a well-closed container away from moisture, light, oxygen. | |||
| Shelf life | 24 months under the conditions above and in its original packaging. | ||
Application of Rosemary Extract
1. Rosmarinic acid is often used as a natural preservative to increase the shelf life of perishable foods.
2. Rosemary Leaf Extract may also have antimicrobial properties, which may help fight infections.


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We stick to the principle of "quality first, service first, continuous improvement and innovation to meet the customers" for the management and "zero defect, zero complaints" as the quality objective. To perfect our service, we provide the products with the good quality at the reasonable price for China Manufacturer for Kesar Extract - Rosemary Extract – Ruiwo , The product will supply to all over the world, such as: Thailand, Slovenia, Belgium, Customer satisfaction is our first goal. Our mission is to pursue the superlative quality, making continual progress. We sincerely welcome you to make progress hand in hand with us, and construct a prosperous future together.
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