Overview
Turmeric Vitamin C is a synergistic nutraceutical blend combining curcuminoids from turmeric (Curcuma longa) and ascorbic acid (vitamin C). This formulation capitalizes on turmeric's anti-inflammatory effects and vitamin C's antioxidant properties, creating a compound widely used in preventive health products. The combination addresses bioavailability challenges—vitamin C enhances curcumin absorption while turmeric extends vitamin C's activity. Modern extraction techniques ensure standardized active compound ratios, typically ranging from 10:1 to 1:1 turmeric-to-vitamin C concentrations in commercial preparations.
Physical and Chemical Properties
The blend exhibits light-sensitive properties due to both components: vitamin C oxidizes rapidly under UV exposure, while curcumin degrades in prolonged light. The powder typically shows 5-7% moisture content to prevent caking without compromising stability. pH stability ranges between 3-6; alkaline conditions accelerate vitamin C breakdown while acidic environments improve curcumin solubility. Particle size distribution averages 80-120 microns for optimal dissolution in most applications. Fourier-transform infrared spectroscopy (FTIR) confirms molecular interactions between the compounds' hydroxyl groups.
Main Applications
In nutraceuticals, the blend features in immune-support capsules (500-1000mg doses) and effervescent tablets. Food manufacturers incorporate it into functional beverages (0.1-0.5% concentration) and vitamin-fortified snacks, often using microencapsulation to mask turmeric's pungency. Cosmetic applications include anti-aging serums (1-3% active concentration) and brightening creams, where vitamin C boosts collagen synthesis while turmeric reduces melanin production. Some veterinary supplements also utilize this combination for pet joint and immune health.
Safety and Storage
Store in double-layer aluminized bags with oxygen absorbers to prevent oxidation. Shelf life is typically 24 months unopened, reducing to 6-12 months after opening depending on humidity control. Safety protocols include using nitrogen purging during packaging and avoiding copper containers that catalyze vitamin C degradation. Occupational exposure limits follow general particulate standards (5mg/m³ for respirable dust). High doses (>2000mg/day) may cause gastrointestinal discomfort in sensitive individuals.
B2B Procurement Guide
Bulk buyers should request third-party Certificates of Analysis (CoA) verifying: 1) HPLC-measured curcuminoid content, 2) USP-grade vitamin C purity, 3) heavy metal screening (lead <0.5ppm), and 4) microbial counts (total plate count <1000 CFU/g). For international shipments, specify temperature-controlled logistics (15-20°C) and moisture-proof container liners. Contract manufacturers often provide private labeling with minimum orders of 500kg. Payment terms commonly include 30% upfront for custom formulations.
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