Complaint
Rosmarinic acid (RosA for short) is an organic substance with the chemical formula C18H16O8, a water-soluble natural phenolic acid compound isolated from rosemary in Labiatae.
Rosemarinic acid is a natural antioxidant with strong antioxidant activity that helps prevent cell damage caused by free radicals, therefore reducing the risk of cancer and atherosclerosis. Rosemarinic acid has strong anti-inflammatory activity, while rosemarinic acid also has antibacterial, antiviral and antitumour activity. Rosemarinic acid has demonstrated its important applications in pharmaceutical, food and cosmetic fields.
| Product name | Rosmarinic Acid, Rosemary Extract |
| Plant sources | Rosmarinus officinalis |
| Apperance | Brown Yellow to off white Powder |
| Specification | 5%,10%,15%,20%, 25%,50%,90%,98%HPLC |
| Test method | HPLC/UV |
| Shelf time | 2 years,keep away sunlight, keep dry |
| Product name | Spec. | Test method |
| Rosemary acid | 2%~98% | HPLC |
| Carnosic acid powder | 5%~95% | HPLC |
| Carnosic acid oil | 2%~10% | HPLC |
| Ursolic acid | 20%~90% | HPLC |
| Organic Carnosic acid oil | 5%,10% | HPLC |
| Supercritical Carnosic acid powder | 30% | HPLC |
| Rosemary essential oil | 100% | GC |
| Rosemary Hydrosol | 100% | GC |
1.Antioxidant effect
Rosmarinic acid has very strong free radical scavenging activity in the body and antioxidant effects.
2.Antidepressant effect
3. Bacteriostatic effect of rosemarinic acid
(1) Inhibit bacteria:
(2) Inhibition of fungi:
(3) Inhibition of moulds:
4. anti-inflammatory effect of rosemarinic acid
5 . antiviral effect of rosemarinic acid .
6. Anti-allergic effect of rosemarinic acid
7. Anti-radiation and anti-ultraviolet effect of rosemarinic acid: rosemarinic acid can be used as a kind of photoprotective agent, playing the role of anti-radiation and anti-ultraviolet effect.
1. Applied in food field
2. Applied in pharmaceutical field
3. Applied in cosmetic field
| Analysis Item | Specification | Result | Test Method |
| Assay | 5%-98% Rosmarinic acid | / | GB1886.172 |
| Physical Control | |||
| Appearance | Green to White Powder | Conforms | Visual |
| Odor | Slight rosemary scent or no scent | Conforms | GB/T14454.2 |
| Particle Size | 100% through 80 mesh | Conforms | GB/T5917.1 |
| Loss on Drying | NMT 5.0% | 2.21% | GB5009.3 |
| Impurities Control | |||
| Heavy Metals | NMT 10ppm | Conforms | GB5009.74 |
| Arsenic (As) | NMT 2ppm | Conforms | GB5009.76 |
| Lead (Pb) | NMT 1ppm | Conforms | GB5009.75 |
| Cadmium(Cd) | NMT 1ppm | Conforms | GB5009.15 |
| Hg | NMT 0.1ppm | Conforms | GB5009.17 |
| Microbiological Control | |||
| Total Plate Count | NMT1000cfu/g | Conforms | GB4789.2 |
| Yeast & Mold | NMT100cfu/g | Conforms | GB4789.15 |
| Salmonella | Negative | Conforms | GB4789.4 |
| E.Coli | Negative | Conforms | GB4789.3 |
| Packing and Storage | |||
| Packing | 25kg/drum,Packing in paper-drums and two plastic-bags inside. | ||
| Storage | Store in a well-closed container away from moisture. Storage at <30 ºC recommended. | ||
| Shelf Life | 2 years if sealed and store away from direct sun light. | ||
| Weight | Packing method |
| 1kg | bag/kg, box outside (double plastic bag + Aluminum foil bag inside) |
| 10kgs,25kg or more | by Drums or carton (3 layers plastic bag inside) |
| Weight | Delivery mothod | Delivery time | Destination |
| 1kg-25kgs | EMS,DHL,UPS,Fedex,TNT | 3-7days | Door to door |
| 25kgs-100kgs | DHL,FedEx,by Air | 3-7days | Door to door (to Airport by Air) |
| more than 100kgs | by Air | 3-7days | Door to Airport |
| by Sea | 10-35days | Door to port |
1. How do you confirm product quality before order?
Free samples can be provided for your evaluation before ordering, and COA can be supplied of each batch products.
