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1 Kilogram |
FOB Price: USD 50.0000 |
Usnic Acid Powder The Usnic Acid Usnein
Specifications
Usnic acid 98%
Antioxidant
CAS NO. : 125-46-2
FORMULA: C18H16O7
MOL WT. : 344.32
SYNONYMS : (+)-Usnic acid; (+)-Usnein; (+)-Usniacin;
D-2,6-Diacetyl-7,9-dihydroxy-8,9b-dimethyl-1,3(2H,9bH)- Dibenzofurandione;
PHYSICAL STATE : yellow crystalline powder
MELTING POINT : 192- 204°C
Optical Rotation: +495° ~+ 497° (in CHCl3)
Introduction
Usnic acid is extracted from Usnea, It is a kind of organic acid. In natural remedies, especially in the veterinary medicine, Usnic Acid is used in powders and ointments for the treatment of infections of the skin. This is because of its antibiotic properties, particularly against Gram-positive bacteria such as M. Tuberculosis as well as some pathogenic fungi. Usnic acid as a pure substance has been formulated in creams, toothpaste, mouthwash, deodorants and sunscreen products, in some cases as an active principle, in others as a preservative.
Analysis of usnic acid
Item |
Specification |
Method Result |
|
Physical Property |
|
|
|
Appearance |
Fine Powder |
Organoleptic Conforms |
|
Color |
Yellow powder |
Organoleptic Conforms |
|
Odour |
Characteristic |
Organoleptic Conforms |
|
General Analysis |
|
|
|
Identification Ratio Loss on Drying |
Identical to R.S. sample 10:1 <5.0%c |
TLC TLC Eur.Ph.6.0[2.8.17] |
Conforms Conforms 3.22% |
Ash |
≤5.0% |
Eur.Ph.6.0[2.4.16] 3.37% |
|
Contaminants |
|
|
|
Pesticides Residue |
Meet USP32<561> |
USP32<561> Conforms |
|
Lead(Pb) |
≤3.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 2.1 |
|
Arsenic(As) |
≤2.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 1.9 |
|
Cadmium(Cd) |
≤1.0mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 0.7 |
|
Mercury(Hg) |
≤0.1mg/kg |
Eur.Ph6.0<2.2.58>ICP-MS 0.07 |
|
Microbiological |
|
|
|
Total Plate Count |
≤1000cfu/g |
USP30<61> 119 |
|
Yeast &Mold |
≤100cfu/g |
USP30<61> 41 |
|
E.Coli. |
Negative |
USP30<62> Conforms |
|
Salmonella |
Negative |
USP30<62> Conforms |
Function of usnic acid
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 of usnic acid
1. Pharmaceutical as capsules or pills;
2. Functional food as capsules or pills;
3. Water-soluble beverages;
4. Health products as capsules or pills
Package & Storage
Delivery time : |
Around 3-5 workdays after your payment. |
MOQ : |
5kg packed in aluminum foil bag,double plastic-bag inside |
Packing : |
packed in aluminum foil bag,double plastic-bag inside |
Net Weight : |
25kgs/Drum |
Gross Weight : |
28kgs/Drum |
Drum Size & Volume: |
I.D.42cm × H52cm, 0.08 m³/ Drum |
Payment terms: |
T/T or Western Union , ESCROW,Paypal |
Srorage : |
Stored in dry and cool place, keep away from strong light and heat. |
Shelf Life : |
Two years when properly stored. |
Changzhou Greater Asia Pacific Trading Co., Ltd is a HongKong fully owned enterprise in China that is engaged in supplying the cosmetic/food ingredients with best quality in China. China is a resourceful country for natural plants and herbs. With China industrialization gets better and better, we have the best plant extracts and herb extracts in the world with the most reasonable prices.
We are a supplier of cosmetic ingredients/food ingredients including plant extracts, natural cosmetic ingredients.
We have strong and stable supply networks all over the country and we do business with customers in Europe, Asia and America.
We strive to identify, develop and supply Ingredients from Botanicals/Herbs, for the usage in beverage, health food, cosmetic and pharmaceutical industries, making contributions to the modernization and internationalization of Chinese Herb Medicines and human health. We only supply products manufactured and packaged in accordance with GMP standards.
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