Nasturtium Extract
Overview
Nasturtium extract is derived from Tropaeolum majus, a flowering plant native to South America. It has been traditionally used for its medicinal and culinary properties. The extract is rich in bioactive compounds like glucosinolates, flavonoids, and vitamin C, which contribute to its therapeutic effects. Modern extraction techniques, such as supercritical CO2 or ethanol extraction, ensure high yields of active constituents. The extract is standardized to specific phytochemical markers, making it a reliable ingredient for industrial applications in health and wellness sectors.
Physical and Chemical Properties
Nasturtium extract typically appears as a hygroscopic powder or viscous liquid, depending on the solvent used during extraction. Its color ranges from yellow to dark brown, influenced by the concentration of flavonoids and carotenoids. The extract exhibits stability under acidic conditions but may degrade in alkaline environments or when exposed to prolonged heat. Key components like benzyl isothiocyanate (derived from glucotropaeolin) are responsible for its antimicrobial activity, while lutein contributes to its antioxidant capacity.
Main Applications
In cosmetics, nasturtium extract is incorporated into anti-aging creams and acne treatments due to its collagen-stimulating and antibacterial effects. It also serves as a natural preservative in clean-label formulations. The pharmaceutical industry utilizes it in throat lozenges and immune-boosting supplements. Its high vitamin C content supports its use in nutraceuticals, while food manufacturers add it to functional beverages for its peppery flavor and health benefits.
Safety and Storage
Nasturtium extract is non-toxic at recommended doses but should be handled with care to avoid contamination. Industrial users must adhere to GMP standards during storage to preserve its efficacy. Long-term stability requires opaque, vacuum-sealed packaging under refrigeration. Suppliers often provide SDS sheets detailing allergen information and occupational exposure limits, though skin sensitization is rare.
B2B Procurement Guide
Bulk buyers should prioritize suppliers with ISO 9001 certification and batch-specific Certificates of Analysis (CoA). Key parameters to verify include glucosinolate content (≥10%), heavy metal residues (e.g., lead <5 ppm), and solvent residues (if applicable). For international shipments, ensure compliance with regional regulations like the EU CosIng database or FDA GRAS listings. MOQs typically start at 25 kg, with discounts available for annual contracts. Sample testing for bioactivity (e.g., MIC against S. aureus) is recommended before large-scale purchases.
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