Overview
Safflower Yellow, chemically known as Carthamin, is a natural pigment extracted from the petals of the safflower plant (Carthamus tinctorius). It has been used for centuries in traditional medicine and dyeing processes. Today, it is valued in modern industries for its vibrant yellow hue and potential health benefits, including antioxidant properties. As a water-soluble flavonoid glycoside, Safflower Yellow is favored in applications requiring natural coloring agents. Its stability in acidic environments makes it suitable for food and beverage products, while its non-toxic nature expands its use in cosmetics and pharmaceuticals.
Physical and Chemical Properties
Safflower Yellow appears as a fine yellow to orange-red powder, with a molecular weight of 910.79 g/mol. It is highly soluble in water and ethanol but insoluble in non-polar solvents. The pigment is heat-sensitive, degrading at temperatures above 230°C, which limits its use in high-temperature processing. Its color intensity is pH-dependent, exhibiting brighter hues in acidic conditions. This property is exploited in food and cosmetic formulations where pH control is feasible. The compound’s stability under UV light is moderate, requiring protective packaging to prevent degradation during storage.
Main Applications
In the food industry, Safflower Yellow serves as a natural alternative to synthetic dyes, commonly found in candies, beverages, and dairy products. Its safety profile aligns with clean-label trends, appealing to health-conscious consumers. The cosmetic industry utilizes it in lipsticks, eyeshadows, and skincare products for its vibrant color and purported anti-inflammatory effects. Pharmaceuticals employ it in coatings for tablets and capsules, as well as in traditional remedies for circulatory and inflammatory conditions.
Safety and Storage
Safflower Yellow is classified as GRAS (Generally Recognized as Safe) by the FDA and is approved for use in the EU (E-number pending). However, allergic reactions, though rare, have been reported in sensitive individuals. Proper handling includes wearing gloves and masks to avoid inhalation or skin contact. Storage recommendations include airtight containers in cool (below 25°C), dark environments to prevent oxidation and moisture absorption. Bulk quantities should be palletized away from direct sunlight to maintain stability over extended periods.
B2B Procurement Guide
When sourcing Safflower Yellow, prioritize suppliers with certifications such as ISO, HALAL, or Kosher, depending on target markets. Request certificates of analysis (CoA) to verify purity (typically 90-95%) and absence of heavy metals or solvents. Pricing varies based on extraction method (aqueous vs. solvent-based) and volume. For large-scale orders, negotiate contracts with suppliers offering batch consistency guarantees. Consider regional regulations; for example, the FDA requires specific labeling for food-grade pigments, while the EU mandates Novel Food authorization for certain applications.
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