Storage conditions：Short-term storage at 2~8℃, long-term storage at -20 ~ -80℃
Isorhaponticin (CAS No.: 32727-29-0) is an important natural compound belonging to glycoside diphenylene compounds. Due to its unique structure and diverse biological activity, it has attracted widespread attention in pharmacology and natural product chemistry. As one of the hot topics in pharmacological research of natural products, heterotopic rhetatinins are mainly used in traditional medicine for their laxative effects. Modern research has revealed that their mechanisms involve various intestinal ion channels and transport proteins, demonstrating good pharmacological activity and safety. This paper aims to systematically review the chemical structure, plant origin, pharmacological activity, and mechanism of action of xototin emotacid, and, combined with druggability evaluation and pharmacokinetic data, explores its clinical application prospects and future research directions, providing a theoretical foundation and practical guidance for drug development of this compound.
Isoethylene rhetacoside is a diphenylethylene glycoside with the molecular formula C_21H_22O_9 and a molecular weight of 420.4140. Its structural features include the bonding of a distyrene core structure to a glycosidic group, giving it high polarity and good water solubility. Its LogP value is 0.6394, indicating that the molecule has moderate lipid solubility, which is beneficial for absorption and distribution in the body. The topological pole surface area (TPSA) is 149.0700, suggesting the presence of multiple polar groups on the molecular surface, which may affect its membrane permeability. The water solubility index was 3.1191, indicating good solubility in the aqueous phase, which is beneficial for formulation development. The blood-brain barrier has low permeability, suggesting that its main target may be limited to peripheral tissues, reducing potential toxicity in the central nervous system. The hERG channel inhibition test was negative, indicating a low risk of cardiotoxicity. The Ames mutagenic test scored 0.0, indicating low genotoxicity risk and good safety.
Heterotopic rhetalose is mainly found in various Chinese medicinal materials, with Rheum spp. being especially abundant. As a traditional Chinese medicine, rhubarb is widely used for purgative and heat-clearing and detoxifying clinical treatments. One of its active ingredients is heterotopic rhetabin. In addition, heterotopic rheanoside has also been reported in other plants containing diphenylene glycosides.
Common methods for extracting heterotopic rheodin include traditional solvent extraction and modern ultrasound-assisted extraction and microwave-assisted extraction. Ethanol or methanol is generally used as extraction solvents. After reflux or ultrasonic-assisted extraction, high-purity iso-emotin is obtained by combining liquid-liquid separation and column chromatography for separation and purification. In recent years, the application of supercritical fluid extraction and membrane separation technologies has further improved extraction efficiency and purity, reduced solvent usage, and aligned with the concept of green chemistry.
The main pharmacological activity of isotalin rhetoside is concentrated in its laxative effect. In vivo and in vivo and in vitro studies show that heterodontidal glycosides can promote intestinal peristalsis, regulate intestinal water and electrolyte balance, and thus have a laxative effect. Additionally, some studies have found that it has anti-inflammatory and antioxidant auxiliary effects, which may have potential therapeutic value for inflammatory intestinal diseases.
In vivo animal experiments, heteroethoxin significantly shortened the time needed to pass stool, increased the water content in intestinal contents, and improved constipation symptoms. In vitro cell experiments revealed its regulatory effects on ion channels and transport proteins in intestinal epithelial cells, providing a molecular basis for its downward mechanism.
The laxative effect of isogeorhein involves various gut-related ion channels and transport proteins, mainly including:
Through the synergistic action of multiple targets, heteroethoxin can effectively regulate the intestinal environment, promote intestinal fluid secretion and peristalsis, thereby exerting its laxative effect.
The physicochemical properties of isotalein show good water solubility and moderate lipid solubility, which is beneficial for oral absorption. Its high TPSA value and low blood-brain barrier penetration suggest it mainly acts locally in the intestine, reducing the risk of central nervous system side effects. Negative hERG channel inhibitory results and negative Ames tests further support its safety.
Pharmacokinetics: Although metabolic and kinetic data in the system are currently limited, studies have shown that heterotopic rheterochromin, after oral administration, has high local concentrations in the intestine. Some components can be metabolized by the gut microbiota, producing active metabolites that participate in laxative effects. Its bioavailability is influenced by glycoside structure, and absorption mediated by enzymatic hydrolysis and transporter proteins will be key research areas for future research.
As a natural laxative active ingredient, isotalein has a clear pharmacological mechanism and good safety, showing good potential for clinical development. Its application prospects are broad in constipation, intestinal dysfunction, and related digestive system diseases. In the future, modern drug formulation technologies can be combined to develop oral sustained-release or enteric-coated formulations to improve targeting and efficacy.
In addition, the multi-target mechanism of isotopic rhetapillin provides a theoretical basis for adjunctive treatment of intestinal inflammation, irritable bowel syndrome, and other diseases. By combining modern molecular biology and medicinal chemistry methods, in-depth research into its metabolic pathways, target interactions, and structural optimization will promote its translation into clinical drugs.
In summary, as a natural diphenylene glycoside with a unique structure and significant laxative activity, isodegrin demonstrates good pharmacological activity and safety. Its multi-target regulation of intestinal ion channels and transporter proteins provides important ideas for developing novel laxatives. In the future, research on pharmacokinetics and clinical evaluation should be strengthened, combined with modern drug design and formulation technologies, to promote the widespread clinical application of heterotopic rhetafen and benefit more patients with digestive system diseases.
