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A Comprehensive Scientific Breakdown of the Lichen-Derived Secondary Metabolite for Industrial Formulators
Usnic acid is a naturally occurring dibenzofuran derivative uniquely synthesized by various lichen species, most notably within the genera Usnea (such as Usnea barbata), Cladonia, Lecanora, and Ramalina. Characterized by its bright yellow crystalline structure, usnic acid acts as a biological defense mechanism for lichens, protecting them from excessive UV-radiation and herbivores through its bitter taste and antimicrobial activity. In industrial chemistry, Usnic Acid is highly sought after as a potent preservative, antibacterial, and anti-inflammatory agent.
| Parameters | Specifications (Premium Grade) |
|---|---|
| Chemical Name | 2,6-diacetyl-7,9-dihydroxy-89b-dimethyldibenzofuran-1,3(2H,9bH)-dione |
| CAS Registry Number | 125-46-2 (d-Usnic Acid: 7562-61-0) |
| Molecular Formula | C18H16O7 |
| Assay (HPLC) | ≥ 98.0% (Custom pharmaceutical grades up to 99.5%) |
| Appearance | Light Yellow Crystalline Powder |
| Melting Point | 201 °C - 204 °C |
| Loss on Drying | ≤ 1.0% |
| Heavy Metals | ≤ 10 ppm (Pb ≤ 2ppm, As ≤ 1ppm, Cd ≤ 1ppm) |
Why Shaanxi ShineHerb Biotech Outperforms Global Sourcing Standards in Lichen Derivatives
Lichens are highly sensitive organisms that only thrive in clean, unpolluted highland ecosystems. ShineHerb leverages sustainable, certified wild-harvest networks in the Qinling Mountains of Shaanxi. This direct-to-source vertical integration ensures clean starting raw material free from heavy metals, industrial air pollution residues, and pesticides.
Traditional lichen processing relies on harsh organic solvents that leave undesirable chemical residues. Our facility utilizes closed-loop supercritical CO2 extraction combined with food-grade ethanol purification. This eco-friendly process preserves the delicate bioactive structure of Usnic Acid while ensuring chemical residue limits remain far below strict EU and US cosmetic/pharma thresholds.
Xi'an, Shaanxi is the global epicentre for botanical extract manufacturing. Our high-throughput extraction lines run continuously, reducing production overhead by 30% compared to Western manufacturers. This enables us to pass direct, factory-level cost advantages to wholesale clients, distributors, and contract manufacturers globally.
How Modern Formulators Integrate Usnic Acid Across Diverse Consumer Markets
With consumers demanding "preservative-free" or "paraben-free" claims, cosmetics formulators are turning to Usnic Acid. It provides robust protection against gram-positive microorganisms (including Staphylococcus aureus) at exceptionally low concentrations (0.1% to 0.5%). This aligns with the Clean Beauty requirements of brands in Germany, France, and California, reducing skin sensitization risks common with synthetic alternatives.
Usnic acid shows highly specific efficacy against Cutibacterium acnes (acne-causing bacteria) and Corynebacterium xerosis (body odor-causing bacteria). Its natural origin makes it an ideal star ingredient for serum, cream, and body spray manufacturers in South Korea, Japan, and Southeast Asia looking to combine targeted biological activity with marketing-friendly green claims.
Clinical studies demonstrate Usnic Acid's capacity to disrupt bacterial biofilms, particularly in chronic wound care management. In pharmaceutical research, it is formulated into sterile dressings, topical ointments, and patches to prevent surgical site infections. Sourcing from a GMP-compliant manufacturer like ShineHerb guarantees the purity required for medical-grade applications.
Due to restriction on synthetic antibiotics in agriculture and animal husbandry, Usnic Acid is increasingly integrated into veterinary feed supplements. It supports gut microbiome health in livestock and serves as a natural pest-control compound in organic crop farming, complying with local biocidal standards in the Americas and Europe.
Welcome to Shaanxi ShineHerb Biotech Co., Ltd. We are a professional enterprise engaged in the research, production, and exports of Enzyme preparations, Natural plant extracts, Vitamins, Amino acids, and Pharmaceutical intermediates. We are committed to providing global customers with competitive pricing, stable and reliable product quality, and professional, efficient services.
With over 20 years of experience in the raw materials industry, ShineHerb Biotech continues to strengthen its technical capabilities and improve product quality. Our main products include Lactase, Bromelain, Pancreatin, Papain, Quercetin, N-Acetyl-L-Cysteine (NAC), PQQ, and Glucosamine Sulfate 2KCL, among others. These ingredients are widely used in pharmaceuticals, dietary supplements, beverages, cosmetics, and food additives.
At present, our products are exported to more than 50 countries and regions, including Europe, North America, and Southeast Asia, and have gained wide recognition and trust from customers worldwide.
Our quality system covers raw material inspection, production process control, solvent management, and final testing.
We ensure every batch of Usnic Acid complies with European Pharmacopoeia (EP), United States Pharmacopeia (USP), and Chinese Pharmacopoeia (CP) standards for chemical purity, heavy metals, and microbiological assay limits.
Wholesale orders are shipped alongside active documentation support, including Certificate of Analysis (COA), Material Safety Data Sheet (MSDS), Residual Solvent Testing Reports, and HPLC Raw Chromatograms.
Manufacturing runs under strict Clean Room environments. Regular third-party audits ensure our production, personnel hygiene, facility maintenance, and raw material handling process remains top-tier.
Guaranteed Food Safety Management & Risk Controlled
Good Manufacturing Practice & Rigid Production Standards
High-Quality Certification for Diverse Dietary Needs
Global Standard Recognition & International Requirements
Safe & High Quality Ingredients for Global Markets
Rigorous Quality Control Verified by Global Leader
Suitable for Muslim Consumers & Pure Clean Sourcing
One-stop solution for Private Label Supplement Manufacturing including powders, tablets, capsules, and gummies.
ShineHerb Biotech handles the complete manufacturing value chain so you can focus on building your brand equity. From custom formulation design to premium ingredient blending, packaging design, and analytical testing, we are your certified contract manufacturing partner.







We manage export and supply operations for businesses globally, ensuring streamlined regulatory clearance, customized transit options, and responsive support at every step.
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Direct wholesale access to our premium nutritional compounds and plant extracts for global brand owners.
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