Usnic Acid Powder
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Usnic Acid Powder

Product Name:Usnic Acid
CAS NO.:125-46-2
Molecular formula:C18H16O7
Molecular weight:344.32
Appearance:Yellow rhombic prismatic crystal
EINECS NO.: 204-740-7
Storage condition:under inert gas (nitrogen or Argon) at 2-8°C
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Usnic Acid Powder Introduction

Usnic acid, also known as lichen acid, it comes from natural pineapple. It is used to stop bleeding, fight bacteria, diminish inflammation, heal wounds, remove dental plaque, enhance human immunity, and it has a good effect on oral ulcer and vaginitis. It is often used as an additive in toothpaste and cosmetics.

Usnic Acid Powder Properties and stability

1. This product is a broad-spectrum antibiotic, which has a strong inhibitory effect on most gram-positive bacteria and can also inhibit the growth of tuberculosis bacteria. If combined with a small amount of streptomycin, its inhibition of tuberculosis can be greatly enhanced.

2. Light to golden yellow needle shaped crystal, easily soluble in chloroform, glacial acetic acid, and insoluble in hot alcohol, tasteless, odorless, non-toxic, non corrosive, and non volatile.

Usnic Acid Powder Synthetic method

1. The powdery cladocera and Usnea barbata Wigg. which are epiphytic on the bark of fir (white pine), pine and other coniferous forests, are generally called tree moss. Extract of oak moss and tree moss with benzene or ethanol as solvent. The extract contains a large amount of phenolic acid and phenolic ketone compounds. These compounds have large molecular weight, are nonvolatile, and have no aroma. They do not contribute to the aroma of oak moss and tree moss products. After a series of treatment, lichen acid, one of the above by-products, can be obtained.

2. The lichen is heated and extracted with acetone after drying. Collect the extract, concentrate it to a small volume, and let it stand still. Usnic acid can be crystallized and separated. After recrystallization, the pure product can be obtained.

Usnic Acid Powder Purpose

1. The preparation containing this product has obvious therapeutic effect on cancer patients. It has certain curative effect against malaria clinically. It has certain curative effect on trauma, burns and skin diseases, cervical inflammation, nipple rupture, prevention of perineal rupture, etc. In addition, it can also be used as the raw material of antibiotic "pyruvium".

2. It is used to stop bleeding, fight bacteria, diminish inflammation, heal wounds, prevent dental caries, remove dental plaque, enhance human immunity, and has a good effect on oral ulceration and vaginitis. It is usually used as an additive in toothpaste and cosmetics.

3. As a cosmetic auxiliary approved by CTFA, usnic acid is a broad-spectrum antibiotic with a strong inhibitory effect on most gram-positive bacteria, with a concentration of 50 μ  g. Ml-1 can completely inhibit the growth of bacteria and is used as a highly effective preservative in cosmetics. It has selective inhibition effect on the main bacteria streptococcus causing oral diseases and caries. Usnic acid has curative effect on many skin diseases such as burn, infection and psoriasis.


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