Usnic Acid Powder 98% Usnea Lichen Extract Cosmetic Raw Materials Usnic Acid
Usnic Acid are the usnea Extract powder, also called Lichen Extract, Usnea Barbata Extract, comes from the Dry Lichen of Usnea longissima. General ingredient content: Usnic Acid (Usninic Acid) 98%. The yellow crystalline powder is widely used in curing wounds and burns, antibacterial and antisepsis as the raw material of toothpaste, cosmetics, pharmaceuticals, and perfume.
| Analysis | Specification | Result | Test method |
| Assay | Usnic Acid 98% | Usnic Acid 98% | HPLC |
| Solvent | Water | Water | Complies |
| Identification | Positive | Positive | TLC |
| Appearance | Yellow Powder | Complies | Visual |
| Odor | Characteristic | Characteristic | Organoleptic |
| Particle size | 100% through 80 mesh | 80 mesh | 80 Mesh Screen |
| Loss on drying | 5% Max | Complies | 5g / 105C /2hrs |
| Ash Content | 5% Max | Complies | 2g / 525C /3hrs |
| Heavy metals | 10ppm Max | Complies | Atomic Absorption |
| Pb | 2ppm Max | 1.28ppm | Atomic Absorption |
| Cd | 1ppm Max | 0.1ppm | Atomic Absorption |
| Hg | 0.1ppm Max | 0.01ppm Max | Atomic Absorption |
| Microbiology | |||
| Total plate count | 10000cfu/g Max | Complies | AOAC |
| Yeast & Mold | 1000cfu/g Max | Complies | AOAC |
| E. Coli | Negative | Negative | AOAC |
| Salmonella | Negative | Negative | AOAC |
Function:
1. It is a kind of spectrum antibiotic,inhibit most gram-positive bacteria.
2. Usnic Acid also has inhibition function to the trichomonas vaginalis.
3. It has a certain curative effect to cure cervical inflammation,perineal rupture, dysentery and skin disease.
4. It is used as an antibacteria agent in cosmetics and ointments to prevent skin infection. It is also used in formulating
deodorant, mouth-care products.
Application:
1. Pharmaceuticals Usage :
Usnic Acid has a selective inhibitory effect on streptococcus, the main bacterium causing oral diseases and dental caries. Usnic
Acid is effective for various skin diseases such as burns, infections, and psoriasis.
It can improve the symptoms of tuberculosis and intestinal tuberculosis, and even make the microscopic examination of
tuberculosis bacteria negative.
Used for purulent wounds, burns and skin infections.
It has analgesic and antipyretic effects. Usnic Acid has similar effects to antiviral drugs, antiprotozoal drugs,antiproliferative active drugs and anti-inflammatory drugs. Usnic Acid can be used as a preservative.
2. Cosmetics usage:
Usnic Acid is a broad-spectrum antibiotic, used as a highly effective preservative in cosmetics.
