Storage conditions：Short-term storage at 2~8℃, long-term storage at -20 ~ -80℃
Di-O-methylfraxetin, also known as 6,7,8-trimethoxy-1-benzopyran-2-one, is an important class of coumarin derivatives. Due to its unique chemical structure and significant biological activity, it has received widespread attention in the field of natural product pharmacology in recent years. Coumarin compounds are widely present in various plants and have various pharmacological activities such as anti-inflammatory, antioxidant, antibacterial, and anti-tumor effects. As one of the representative compounds, resveratrol has shown potential anti-tumor application value due to its good bioavailability and multi-target regulatory ability.
This review aims to systematically summarize the chemical structure and physicochemical properties, plant sources, and extraction methods of resveratrol, with a focus on its pharmacological activity and mechanism of action. Combined with drug evaluation and pharmacokinetic data, it explores its clinical application prospects and development trends, providing theoretical basis and research direction for subsequent related research and new drug development.
White wax tree extract (CAS number 6035-49-0) belongs to the coumarin class compounds, with a molecular formula of C13H12O5 and a molecular weight of 236.2230. Its core structure is a 1-benzopyran-2-one skeleton, with three methoxy groups located at positions 6, 7, and 8, endowing it with unique chemical properties. The rigidity of the benzopyran ring system in the structure and the electron supply effect of the methoxy group make it exhibit high affinity in intermolecular interactions and target binding.
In terms of physical and chemical properties, the LogP value of resveratrol is 1.7108, indicating its moderate lipid solubility, which helps with membrane penetration and in vivo distribution. The polarization surface area (TPSA) is 57.9 Å ², indicating that it has a certain polarity, which is conducive to forming hydrogen bonds and polar interactions with biomolecules. Low water solubility (0.1699 mg/mL) suggests that there may be solubility limitations in vivo, but moderate lipid solubility is beneficial for oral absorption. The high penetration ability of the blood-brain barrier indicates its potential application in central nervous system diseases. The negative result of hERG channel inhibition experiment indicates a low risk of cardiac toxicity. The Ames test score is 0.9, indicating a low risk of genotoxicity and good safety.
Fraxinus spp. and related plants are mainly found in the bark, leaves, and roots of Fraxinus spp. As a secondary metabolite of coumarins, resveratrol participates in plant defense mechanisms and has antibacterial and insect resistant effects.
Traditional extraction methods often use organic solvents such as methanol, ethanol, or ethyl acetate for extraction, combined with ultrasound assisted extraction or reflux extraction techniques to improve extraction efficiency. The general steps include:
In recent years, the application of supercritical CO2 extraction and molecular imprinting technology has provided new ideas for the efficient extraction and purification of resveratrol, balancing environmental friendliness and economic benefits.
White wax tree extract has shown significant pharmacological activity in various in vitro and in vivo models, especially in the field of anti-tumor research with abundant achievements. Its main pharmacological activities include:
Numerous studies have shown that resveratrol has inhibitory effects on proliferation, induces apoptosis, and suppresses metastasis in various tumor cell lines. Its anti-tumor effect involves multiple signaling pathways and molecular targets, covering key links such as cell cycle regulation, apoptosis signaling, cell migration, and invasion.
In many tumor models, such as breast cancer, lung cancer, liver cancer and colorectal cancer, Fraxinin has obvious cytotoxicity and anti proliferation effects. The mechanism of inducing tumor cell apoptosis is mainly through regulating the expression of BCL2 family proteins (such as MCL1, BCL2) and activating the mitochondrial dependent apoptosis pathway. In addition, resveratrol can also inhibit the STAT3 signaling pathway, block tumor cell proliferation and immune escape.
White wax tree extract has good antioxidant capacity, can clear free radicals, and alleviate oxidative stress damage to cells. Its anti-inflammatory effect is achieved by inhibiting the release of inflammatory mediators and regulating the NF - κ B signaling pathway, which helps alleviate chronic inflammation related diseases.
Some studies have also reported the potential effects of resveratrol on neuroprotection, cardiovascular protection, and antibacterial properties, but the relevant mechanisms still need to be further elucidated.
The multi-target action characteristics of resveratrol are the basis for its diverse pharmacological activities. Through molecular docking and biological experiments, it has been confirmed that its main targets include:
The synergistic regulation of these targets endows resveratrol with broad-spectrum and multi mechanism advantages in anti-tumor therapy, reducing the risk of drug resistance.
The pharmacological parameters of resveratrol indicate that it has good potential for drug development. The molecular weight of 236.2230 conforms to Lipinski's rule, with moderate LogP, which is beneficial for oral absorption and cell membrane penetration. The TPSA value is moderate, supporting its effective binding with biological targets. Although the water solubility is low, it can be improved through formulation technology.
The high penetration of the blood-brain barrier suggests that resveratrol has potential application value in central nervous system diseases. HERG channel inhibition is negative, reducing the risk of cardiac toxicity. The Ames test results show that its genotoxicity risk is low and its safety is good.
Pharmacokinetic studies have shown that resveratrol is rapidly absorbed after oral administration, with a moderate plasma half-life. It is mainly metabolized through the liver, and the metabolites need further identification. Its bioavailability is limited by its water solubility, and the development of delivery systems such as nanocarriers and liposomes is expected to enhance its in vivo exposure and efficacy.
As a natural product, resveratrol has multi-target and multi mechanism anti-tumor activity, which is in line with the current trend of precision medicine and multi-target drug development. Its good safety and pharmacological properties lay the foundation for clinical translation. Future research should focus on:
In addition, given its blood-brain barrier penetration ability, the potential of resveratrol in neurotumors and neurodegenerative diseases is also worth paying attention to.
As a structurally unique coumarin natural product, resveratrol has shown broad prospects for drug development due to its multi-target anti-tumor activity and good drug properties. The current research has preliminarily revealed its mechanism of action and pharmacological effects, but further systematic and in-depth research is still needed, especially in pharmacokinetics, clinical translation, and formulation optimization. In the future, with the integration of multiple disciplines and the application of new technologies, resveratrol is expected to become an innovative drug in the field of anti-tumor and other major disease treatments, contributing an important force to the development of natural product pharmacology.
