Overview
Salvia officinalis Leaf Extract is derived from the leaves of the common sage plant, Salvia officinalis, a perennial herb native to the Mediterranean region. This extract has been used for centuries in traditional medicine for its therapeutic properties. Modern applications leverage its bioactive compounds, including rosmarinic acid, camphor, and thujone, which contribute to its antioxidant, antimicrobial, and anti-inflammatory effects. In B2B markets, the extract is available in various forms, including powders, liquids, and oleoresins, catering to diverse industrial needs. Its versatility makes it a popular choice in pharmaceuticals, cosmetics, and food industries, where it serves as a natural preservative and active ingredient.
Physical and Chemical Properties
Salvia officinalis Leaf Extract typically appears as a brown to greenish-brown powder or liquid, depending on the extraction method. The liquid form has a density of approximately 1.0-1.2 g/cm³ and is soluble in water, ethanol, and glycerin, making it easy to incorporate into various formulations. Key bioactive compounds in the extract include rosmarinic acid, known for its antioxidant properties, and thujone, which contributes to its antimicrobial effects. The extract's composition can vary based on factors like plant origin, harvesting time, and extraction technique, influencing its efficacy and application suitability.
Main Applications
In the pharmaceutical industry, Salvia officinalis Leaf Extract is used in formulations for its anti-inflammatory and antimicrobial properties, often found in throat lozenges and topical ointments. The cosmetics industry values it for its antioxidant benefits, incorporating it into anti-aging creams, shampoos, and skin care products to combat free radicals and promote skin health. The food industry utilizes the extract as a natural preservative and flavoring agent, particularly in meat products and dairy items. Its antimicrobial properties help extend shelf life while maintaining product quality. Additionally, the extract is used in aromatherapy for its calming and cognitive-enhancing effects.
Safety and Storage
Salvia officinalis Leaf Extract is generally recognized as safe (GRAS) when used in low concentrations. However, high doses of thujone, a compound present in the extract, can be toxic and may cause neurological effects. It is essential to adhere to recommended usage levels, especially in food and cosmetic applications. Proper storage is crucial to maintain the extract's efficacy. It should be kept in a cool, dry place, away from direct sunlight, and in a tightly sealed container to prevent degradation. Liquid forms may require refrigeration to extend shelf life, while powders should be protected from moisture.
B2B Procurement Guide
When procuring Salvia officinalis Leaf Extract, businesses should prioritize suppliers who provide detailed specifications, including extraction method, solvent residues, and bioactive compound concentrations. Organic certification may be necessary for products marketed as natural or organic. Price varies based on purity, form, and supplier reliability. Bulk purchases often attract discounts, but it's advisable to request samples for quality testing before large-scale orders. Ensure the supplier complies with relevant regulatory standards, such as ISO or GMP certifications, to guarantee product safety and consistency.
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