Overview
Raspberry fruit extract is derived from Rubus idaeus through solvent extraction or freeze-drying processes. It contains bioactive compounds like anthocyanins (cyanidin-3-glucoside), ellagitannins, and quercetin derivatives. The extract is valued in B2B markets for its standardized active ingredient content (typically 5-40% anthocyanins). Industrial production involves supercritical CO₂ or ethanol extraction to preserve thermolabile compounds. Leading suppliers provide HPLC-tested extracts with certificates of analysis (CoA) detailing polyphenol profiles. The global market is driven by demand for natural colorants and functional ingredients in clean-label products.
Physical and Chemical Properties
The extract exhibits pH-dependent color changes (red at pH 3, violet at pH 7) due to anthocyanin structures. Its ORAC (Oxygen Radical Absorbance Capacity) value ranges 50-100 µmol TE/g, outperforming many synthetic antioxidants. Thermal stability is moderate, with 80% retention at 60°C for 2 hours. Key analytical markers include cyanidin-3-sophoroside (major anthocyanin) and sanguiin H-6 (ellagitannin). The extract shows synergistic effects with vitamin E in lipid systems. Solubility varies by carrier systems, with maltodextrin-based powders being readily dispersible in water.
Main Applications
In nutraceuticals, the extract is formulated in capsules (250-500mg doses) for antioxidant support. Cosmetic applications include anti-aging serums (1-5% concentration) and UV-protectant creams. The food industry uses it as natural colorant (E163) in yogurts and beverages (0.1-0.5% w/w). Emerging uses include sports nutrition for its nitric oxide-boosting effects and pet food supplements. Pharmaceutical research explores its potential in metabolic syndrome management. Industrial buyers should specify application-specific parameters like color intensity (measured in AU at 520nm) or ORAC values.
Safety and Storage
The extract is non-GMO and typically compliant with USDA Organic, EU Novel Food, and Halal/Kosher standards. Shelf life is 24 months in sealed containers with oxygen absorbers. Bulk storage requires humidity control (<60% RH) to prevent caking. Safety data sheets indicate no acute toxicity (LD50 >2000mg/kg). Allergen risks are minimal, but cross-contamination during processing should be verified. Industrial users must comply with local regulations - for example, EU requires botanical ingredient dossiers under Regulation (EC) No 1924/2006.
B2B Procurement Guide
Key procurement considerations include extraction method (ethanol-free preferred for certain markets), residual solvent levels (<50ppm), and pesticide screening (meeting EU MRLs). Reputable suppliers provide full traceability from cultivated raspberry varieties. Minimum order quantities typically start at 25kg for powders. Custom standardization (e.g., 10:1 concentrate ratio) is available. Third-party testing for authenticity (HPLC fingerprinting) is recommended to detect adulteration with cheaper fruit extracts. Price breaks occur at 100kg+ orders, with contract manufacturing options for private labeling.
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