Overview
Liriodendrin is a biologically active lignan isolated from the tulip tree (Liriodendron chinense), traditionally used in Chinese medicine. It belongs to the dibenzylbutyrolactone class of lignans and shares structural similarities with sesamin. Research highlights its antioxidant and anti-inflammatory properties, which contribute to its therapeutic potential. In recent years, liriodendrin has gained attention for its role in mitigating oxidative stress and inflammation-related conditions. Its applications span pharmaceuticals, dietary supplements, and experimental therapies for neurodegenerative disorders like Alzheimer’s disease.
Physical and Chemical Properties
Liriodendrin appears as a white to off-white crystalline powder with a melting point of 160-162°C. It is soluble in organic solvents such as ethanol, methanol, and dimethyl sulfoxide (DMSO) but has limited solubility in water. The compound’s stability is influenced by light and moisture, necessitating proper storage conditions. The molecular structure of liriodendrin includes two phenylpropane units linked by a butyrolactone ring, which is characteristic of lignans. This configuration contributes to its ability to scavenge free radicals and modulate inflammatory pathways, as demonstrated in in vitro and in vivo studies.
Main Applications
Liriodendrin is primarily utilized in the pharmaceutical industry for its neuroprotective and anti-inflammatory effects. It is investigated as a potential therapeutic agent for neurodegenerative diseases, including Parkinson’s and Alzheimer’s, due to its ability to cross the blood-brain barrier. In nutraceuticals, liriodendrin is incorporated into supplements targeting oxidative stress and aging. Its antioxidant properties also make it a candidate for cosmetic formulations aimed at reducing skin damage caused by UV radiation and pollution.
Safety and Storage
Liriodendrin is generally considered safe at typical dosages, with no reported acute toxicity in preclinical studies. However, standard laboratory precautions—such as wearing gloves and avoiding inhalation—are recommended during handling. Prolonged exposure to light or humidity may degrade the compound, reducing its efficacy. For long-term storage, liriodendrin should be kept in airtight containers at temperatures below 25°C, preferably with desiccants to prevent moisture absorption. Bulk quantities may require nitrogen flushing to enhance stability.
B2B Procurement Guide
When sourcing liriodendrin, prioritize suppliers that provide certificates of analysis (COA) confirming purity (≥98% by HPLC). Pharmaceutical-grade material should comply with GMP standards to ensure traceability and quality control. Pricing varies based on purity, with research-grade quantities typically ranging from $50 to $200 per gram. For large-scale procurement, negotiate batch testing and consider suppliers with ISO 9001 certification. Sample testing is advisable to verify consistency in particle size, solubility, and absence of residual solvents.
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