Perilla Leaf Extract[2]
Overview
Perilla Leaf Extract is derived from the leaves of Perilla frutescens, a plant native to East Asia and widely cultivated for culinary and medicinal uses. The extract is obtained through solvent extraction or supercritical CO2 methods, concentrating bioactive compounds like rosmarinic acid and perillaldehyde. Known for its distinct aroma and health benefits, it is a versatile ingredient in industries ranging from food to cosmetics. Its natural origin and functional properties make it a preferred choice for clean-label formulations.
Physical and Chemical Properties
The extract typically appears as a dark green viscous liquid or fine powder, depending on the concentration method. Its solubility in polar solvents like water and ethanol allows for easy integration into formulations. Key components include polyphenols (e.g., luteolin), flavonoids, and volatile oils, contributing to its antioxidant capacity. The density of liquid extracts ranges from 1.0 to 1.2 g/cm³, while powdered forms are hygroscopic and require moisture-proof packaging.
Main Applications
In the food industry, Perilla Leaf Extract serves as a natural preservative and flavor enhancer, particularly in Asian cuisine. It is also used in functional beverages and dietary supplements for its purported anti-allergic and immune-boosting effects. The cosmetics industry values it for its anti-aging and anti-inflammatory properties, incorporating it into serums and creams. Pharmaceutical applications include traditional herbal remedies for respiratory and digestive conditions.
Safety and Storage
The extract is generally safe for consumption and topical use, though patch testing is advised for cosmetic applications due to rare cases of contact dermatitis. Regulatory status varies by region; in the U.S., it is GRAS-listed. Storage requires protection from light and humidity to prevent degradation. Liquid extracts should be kept below 25°C, while powders benefit from desiccants. Shelf life typically ranges from 12 to 24 months under optimal conditions.
B2B Procurement Guide
Buyers should prioritize suppliers with third-party testing for heavy metals, pesticides, and microbial contaminants. Request COAs to verify rosmarinic acid content (commonly 5-20%) and solvent residues. Bulk pricing tiers apply for orders exceeding 100 kg, with discounts of 10-15%. Organic-certified extracts command a 20-30% premium. Lead times vary from 2-6 weeks, depending on customization (e.g., standardized extracts).
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