Overview
Lemon balm extract is obtained through solvent extraction or steam distillation of Melissa officinalis leaves, a herb native to the Mediterranean region. It has been used since ancient times for its calming effects and distinctive lemony scent. The extract contains volatile oils (e.g., citral, geraniol) and polyphenols, contributing to its therapeutic and flavoring properties. In modern industry, it serves as a versatile ingredient across sectors. Its natural origin and multifunctionality make it preferable to synthetic alternatives in premium products. The extract's quality depends on factors like harvest time, plant variety, and extraction method.
Physical and Chemical Properties
The extract exhibits a characteristic fresh, citrusy odor with herbaceous undertones, attributed to its terpene constituents. Its color ranges from dark green to brown, depending on concentration and processing. The viscous consistency requires gentle heating (under 40°C) for easier handling in formulations. Chemically, it contains 0.1-0.5% volatile oils, rosmarinic acid, and flavonoids. These compounds demonstrate antioxidant capacity (ORAC value ~5,000 μmol TE/g) and mild antimicrobial activity against pathogens like Staphylococcus aureus. The extract is stable at pH 3-8 but degrades under prolonged UV exposure.
Main Applications
In cosmetics, the extract functions as a fragrant additive in creams, soaps, and perfumes, while its antioxidant properties help preserve product integrity. It's particularly valued in anti-aging and sensitive skin formulations due to its soothing effects. The food industry employs it as a natural flavor enhancer in teas, desserts, and alcoholic beverages. Its GRAS status allows use in edible products at 0.01-0.1% concentrations. Pharmaceutical applications include sleep aids and digestive supplements, often combined with other herbal extracts like valerian.
Safety and Storage
While generally safe, undiluted extract may cause contact dermatitis in sensitive individuals. Proper PPE (gloves, goggles) is recommended during industrial handling. The material safety data sheet (MSDS) should be reviewed for specific workplace guidelines. Storage requires protection from light and heat to prevent oxidation. Stainless steel or amber glass containers are ideal. Shelf life typically ranges from 12-24 months when stored below 25°C. Bulk shipments should include nitrogen sparging to minimize degradation during transit.
B2B Procurement Guide
Buyers should request certificates of analysis (CoA) specifying active compound percentages (e.g., citral content ≥30%). Organic and non-GMO certifications add value for eco-conscious brands. Sample testing for microbial counts and heavy metals is advisable, especially for EU/US market compliance. Leading producers are concentrated in France, Bulgaria, and China. MOQ usually starts at 5-10kg for small batches. Payment terms commonly include 30% advance with LC at sight. Spot prices fluctuate with seasonal availability; forward contracts are recommended during pre-harvest periods (June-August).
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