Overview
Syringin, also known as syringoside or eleutheroside B, is a naturally occurring phenolic glycoside found in plants such as lilacs (Syringa spp.), Eleutherococcus senticosus (Siberian ginseng), and other medicinal herbs. It is valued for its bioactive properties, including antioxidant and anti-inflammatory effects. The compound is commonly extracted from plant bark or roots using solvent-based methods. In traditional medicine, syringin has been used to enhance vitality and support immune function. Modern research explores its potential in pharmaceuticals, particularly for neuroprotection and metabolic regulation. Its mild, plant-derived nature also makes it suitable for cosmetic formulations targeting skin health.
Physical and Chemical Properties
Syringin is a white to off-white crystalline powder with a molecular weight of 372.37 g/mol. It has a melting point of 195–198°C and is soluble in polar solvents like water, methanol, and ethanol. The compound’s structure includes a glucoside moiety linked to a syringyl group, contributing to its stability and bioavailability. Its solubility profile makes it versatile for formulations in liquid or solid dosage forms. Syringin is relatively stable under standard storage conditions but may degrade under prolonged exposure to high temperatures or UV light. Analytical methods such as HPLC are typically used to assess its purity, with commercial grades often exceeding 98%.
Main Applications
In pharmaceuticals, syringin is studied for its neuroprotective and anti-diabetic properties, with potential applications in treating neurodegenerative diseases and metabolic syndromes. It is also incorporated into dietary supplements for its adaptogenic effects, similar to other eleutherosides. The cosmetic industry utilizes syringin in anti-aging and brightening products due to its antioxidant capacity. It helps neutralize free radicals and reduce oxidative stress in skin cells. Additionally, syringin’s mild scent makes it a subtle fragrance component in natural perfumes and personal care products.
Safety and Storage
Syringin is generally considered safe at low concentrations, with no significant toxicity reported in studies. However, direct contact with eyes or prolonged inhalation of powder should be avoided. Proper handling with gloves and masks is recommended in industrial settings. For storage, syringin should be kept in airtight containers in a cool, dry place (15–25°C) away from light and moisture. Bulk quantities may require desiccants to prevent clumping. Shelf life typically exceeds two years when stored correctly, though batch-specific stability data should be reviewed.
B2B Procurement Guide
When procuring syringin, prioritize suppliers with certifications such as GMP or ISO 9001 to ensure quality consistency. Request certificates of analysis (CoA) detailing purity (HPLC ≥98%), residual solvents, and heavy metal content. Pricing varies based on quantity and purity, with bulk purchases (kilograms) often discounted. Consider sourcing from specialized botanical extract manufacturers or chemical distributors with transparent supply chains. Sample testing is advisable to confirm compatibility with your formulation. For international shipments, verify compliance with regional regulations (e.g., REACH in the EU, FDA in the US).
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