Overview
Aescin, or escin, is a bioactive compound extracted from the seeds of the horse chestnut tree (Aesculus hippocastanum). It is a complex mixture of triterpene saponins, with β-aescin being the most pharmacologically active form. Historically, horse chestnut extracts have been used in traditional medicine, but modern applications focus on its standardized pharmaceutical formulations. Aescin is valued for its potent anti-inflammatory and venotonic effects, making it a key ingredient in treatments for venous disorders. Its mechanism of action includes reducing capillary permeability and improving venous tone, which helps alleviate symptoms like swelling and pain associated with chronic venous insufficiency.
Physical and Chemical Properties
Aescin appears as a white to off-white crystalline powder with a molecular weight of 1131.26 g/mol. It is soluble in water and alcohol but has limited solubility in non-polar solvents. The compound is stable under recommended storage conditions but may degrade when exposed to excessive heat or moisture. Its melting point ranges between 225-228°C, and it exhibits strong surface activity due to its saponin structure. This property contributes to its ability to interact with cell membranes, enhancing its pharmacological effects. Analytical methods like HPLC are commonly used to assess its purity and concentration in formulations.
Main Applications
Aescin is primarily used in the pharmaceutical industry for its therapeutic benefits in managing venous and lymphatic disorders. It is a key component in medications for chronic venous insufficiency (CVI), hemorrhoids, and post-surgical or traumatic edema. Clinical studies support its efficacy in reducing leg swelling, pain, and heaviness associated with CVI. Additionally, aescin is incorporated into topical creams and gels for localized anti-inflammatory effects. Its ability to stabilize blood vessel walls and reduce inflammation also makes it a candidate for research in other conditions, such as osteoarthritis and sports injuries.
Safety and Storage
Aescin is generally well-tolerated, but high doses may cause gastrointestinal side effects like nausea or stomach discomfort. Allergic reactions are rare but possible. It is contraindicated in patients with severe kidney or liver disorders and should be avoided during pregnancy unless under medical supervision. Proper storage is essential to maintain its stability. Aescin should be kept in a tightly sealed container, protected from light and moisture, at room temperature or below. Bulk quantities require climate-controlled environments to prevent degradation during long-term storage.
B2B Procurement Guide
When procuring aescin, B2B buyers should prioritize suppliers with certifications such as GMP (Good Manufacturing Practice) or ISO compliance. Key factors include purity (typically 95-98% for pharmaceutical grade), solvent residues, and heavy metal content. Batch-specific certificates of analysis (CoA) are essential for quality assurance. Pricing varies based on quantity and purity, with bulk purchases often attracting discounts. Lead times can range from 4-8 weeks depending on supplier availability. Buyers should also consider logistical requirements, such as temperature-controlled shipping for international orders.
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