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Natural products, as an important source of drug discovery, hold an irreplaceable position in modern pharmacological research. Flavonoids, due to their structural diversity and broad biological activity, have become one of the hot topics in natural product pharmacology research. Complanatuside 6"-malonate monoester (CAS No. 2089462-18-8) is a flavonoid compound recently isolated from the traditional Chinese medicine Sophora japonica L. Shayuanzi has a long history of use in traditional Chinese medicine, mainly for treating liver and kidney diseases, regulating immune function, and anti-inflammatory properties. With the development of modern analytical techniques, the structural identification, pharmacological activity, and mechanism of action of 6"-malonic acid saphenoside monoester have gradually been revealed, laying the foundation for research as a potential drug candidate.
This paper aims to systematically review the chemical structure and physicochemical properties, plant origin and extraction methods, pharmacological activity and mechanism of action of 6"-malonic acid saenoside monoester, druggability evaluation and pharmacokinetic characteristics, and to look ahead to its clinical application prospects. By integrating existing research findings, it is hoped to provide theoretical support and research directions for the subsequent development and application of this compound.
6"-Malonic acid samarin monoester belongs to the flavonoid class, specifically a monoester derivative modified by malonate esterification of the 6"-hydroxyl group of samaronate. Its molecular formula is C_34H_38O_17, and its molecular weight is 710.5940. The structure contains a typical flavonoid backbone, supplemented by glycoside and malonate groups, giving it unique physicochemical properties and biological activity.
In terms of physicochemical properties, the LogP value of 6"-malonic acid saphenoside monoester was -0.5073, indicating strong hydrophilicity, with a water solubility of 3.7190, indicating good water solubility. The polar surface area (TPSA) reached as high as 301.8 Ų, suggesting that the molecule has a large number of polar groups, which may affect its cell membrane penetration ability. The low permeability of the blood-brain barrier means the compound has difficulty entering the central nervous system. The hERG channel inhibition test was negative, indicating a low risk of cardiotoxicity. The Ames test result was 0.6, indicating a low genotoxicity risk and good safety.
In summary, 6"-malonic acid sachafer monoester has good water solubility and safety characteristics, but its high polarity and low blood-brain barrier permeability may limit its application in central system diseases.
6"-Malonic acid saponica monoester mainly comes from Sophora japonica L., a dried mature seed of the leguminous genus Sophora. It is widely used in traditional Chinese medicine for hemostasis, anti-inflammation, and liver and kidney protection. Shayuanzi is rich in flavonoids, especially satraphisides and their derivatives.
The extraction method usually uses ethanol or methanol as solvent, and crude extracts are obtained through reflux extraction or ultrasound-assisted extraction. Subsequently, high-purity 6"-malonic acid saenoside monoester was obtained using multi-step separation and purification techniques such as liquid-liquid partitioning, silica gel column chromatography, and reversed-phase high-performance liquid chromatography (RP-HPLC). In recent years, the introduction of supercritical fluid extraction and molecular blotting technologies has further improved extraction efficiency and purity.
The optimization of the extraction process not only ensures the yield and purity of the compounds but also provides technical support for subsequent pharmacological activity research and industrial production.
6"-Malonic acid sacrysolin monoester, as a natural flavonoid product, exhibits multiple biological activities, mainly including anti-inflammatory, antioxidant, immunomodulatory, and liver-kidney protective effects.
Both in vitro cell models and animal experiments have shown that 6"-malonic acid samarin monoester can significantly inhibit the release of inflammatory mediators such as tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6), and nitric oxide (NO). Its mechanism may involve inhibiting activation of the nuclear factor κB (NF-κB) signaling pathway, thereby reducing the expression of pro-inflammatory genes.
This compound has strong free radical scavenging ability, effectively reducing the generation of reactive oxygen species (ROS) and protecting cells from oxidative stress damage. Both in vivo and in vitro experiments have confirmed that it enhances the activity of endogenous antioxidant enzymes such as superoxide dismutase (SOD) and glutathione peroxidase (GPx), thereby enhancing cellular antioxidant defense.
6"-Malonic acid glucoside monoester can regulate immune cell function, promote lymphocyte proliferation, enhance macrophage phagocytic activity, regulate cytokine secretion balance, and demonstrate potential immune-enhancing effects.
Animal models show that this compound can reduce liver and kidney damage, lower serum transaminase levels, and alleviate tissue inflammation and fibrosis, suggesting its protective effect in liver and kidney diseases.
Although current pharmacological research mostly focuses on in vitro and animal models, the multi-target and multi-pathway action characteristics of 6"-malonic acid saconin monosters provide scientific evidence for its clinical development.
The mechanism of action of 6"-malonic acid saphenoside monoester mainly involves regulation of multiple signaling pathways and molecular targets.
This compound can inhibit the phosphorylation and degradation of IκBα, prevent NF-κB from transferring from the cytoplasm to the nucleus, reduce the transcriptional activity of pro-inflammatory factors, and exert anti-inflammatory effects.
Research shows that 6"-malonic acid samarin monoester can regulate the phosphorylation status of mitogen-activated protein kinase (MAPK) family members such as p38, ERK, and JNK, and regulate cellular stress and inflammatory responses.
This compound promotes the nuclear translocation of nuclear factor 2 (Nrf2), activates antioxidant response elements (ARE), upregulates antioxidant enzyme expression, and enhances cellular antioxidant capacity.
By regulating the proportion of T cell subsets and macrophage polarization, 6"-malonate saconin monoester influences the balance of immune responses, with specific targets including CD4+ T cells, CD8+ T cells, and M1/M2 macrophage-related signaling molecules.
The diversity of these mechanisms of action reflects the compound's multi-target pharmacological properties, making it possible to treat a wide range of diseases.
The druggability parameters of 6"-malonic acid samarin monoester indicate that it has certain development potential.
The molecular weight is 710.5940, slightly above the ideal range for traditional small molecule drugs and may affect oral absorption. The LogP value was -0.5073, indicating strong hydrophilicity, which is beneficial for solubility but may limit membrane penetration. TPSA reaches 301.8 Ų, indicating higher molecular polarity and potentially reduced bioavailability.
Negative hERG channel inhibition and low mutagenicity results from the Ames test indicate good safety and low risks of cardiotoxicity and genotoxicity.
Currently, in vivo pharmacokinetic data on 6"-malonic acid saconyloside monoester are limited. Its high polarity and water solubility may lead to insufficient oral bioavailability, and the low blood-brain barrier permeability limits its application in the central nervous system. In the future, structural modification or drug delivery systems will be needed to optimize their pharmacokinetic performance.
Given its molecular structure and metabolic pathways, further research is needed on its interactions with the cytochrome P450 enzyme system to assess potential drug interaction risks.
In summary, 6"-Malonic acid sachafer monoester has a solid safety foundation, but limitations in bioavailability and in vivo distribution must be overcome to achieve clinical translation.
Combining existing pharmacological activity and druggability evaluations, 6"-malonate saconazidin monoester has good clinical application potential in anti-inflammatory, antioxidant, and hepatorenal protection.
Its inhibitory effect on NF-κB and MAPK pathways gives it promising application prospects in chronic inflammatory diseases such as rheumatoid arthritis and inflammatory bowel disease.
By alleviating oxidative stress and inflammatory responses, 6"-malonate sapentin monoester may become an adjunctive therapy for hepatitis, nephritis, and related fibrotic diseases.
Its immunomodulatory effects provide new ideas for treating autoimmune diseases and states of immunodeficiency.
Future research should focus on structural optimization to improve bioavailability, combined with modern drug delivery technologies such as nanocarriers, to enhance in vivo stability and targeting. In addition, systematic toxicological evaluation and preclinical safety studies are key to achieving clinical translation.
Overall, 6"-malonic acid saconidin monoester, as a natural flavonoid compound with multi-target effects, has the potential to become a novel natural drug and is worth further development.
6"-Malonic acid sachafer monoester, as an important flano derivative of Shayuanzi, demonstrates rich pharmacological activity and good safety profile. Its anti-inflammatory, antioxidant, and immunomodulatory effects provide a theoretical basis for the treatment of various diseases. Although their large molecular weight and high polarity limit bioavailability and blood-brain barrier penetration, modern drug design and delivery technologies are expected to overcome these bottlenecks and enable clinical application.
Future research should deepen in-depth analysis of its mechanism of action, improve pharmacokinetic and toxicological evaluations, and conduct systematic preclinical studies. Through multidisciplinary collaborative innovation, 6"-malonate sayuanzi monoester is expected to become another major breakthrough in the field of natural product pharmacology, contributing to the modernization of traditional Chinese medicine and the development of new drugs.
Shenshuai
Wenjing
Hedandan
