Overview
Bitter Orange Extract is obtained from the peel of Citrus aurantium, a plant native to Southeast Asia and widely cultivated in Mediterranean regions. It has been used traditionally for digestive health and as a flavoring agent. Modern applications span the food, pharmaceutical, and cosmetic industries due to its bioactive compounds like synephrine and flavonoids. In B2B markets, the extract is typically standardized for specific active ingredients, such as 6%–8% synephrine for dietary supplements. Its versatility and natural origin make it a preferred ingredient in clean-label products.
Physical and Chemical Properties
The extract’s composition varies based on extraction methods (e.g., cold-pressed, steam distillation). Key components include limonene (a volatile oil), synephrine (an alkaloid), and polyphenols like hesperidin. These contribute to its bitter taste, citrus aroma, and antioxidant properties. Solubility depends on the carrier: oil-soluble forms are used in cosmetics, while water-dispersible variants suit beverages. Stability tests under varying pH and temperature conditions are critical for product formulation.
Main Applications
In the food industry, bitter orange extract enhances flavors in baked goods, candies, and beverages. Its essential oil is a staple in perfumery for top citrus notes. The dietary supplement market values it for potential metabolic support, though regulatory limits apply to synephrine content. Cosmetics leverage its antimicrobial and anti-inflammatory properties in skincare formulations. Aromatherapy uses the oil for its uplifting fragrance, often blended with lavender or peppermint.
Safety and Storage
Synephrine, a primary active compound, has stimulant effects similar to ephedrine, requiring caution in dosage. Regulatory agencies like the FDA classify it as GRAS (Generally Recognized as Safe) for flavoring but not for unrestricted supplement use. Storage in amber glass or food-grade plastics prevents oxidation. Shelf life is typically 2–3 years when kept below 25°C (77°F). Bulk shipments should avoid temperature extremes to preserve volatile components.
B2B Procurement Guide
Buyers should prioritize suppliers providing Certificates of Analysis (CoA) for purity, heavy metals, and pesticide residues. Organic and non-GMO certifications add marketability for health-focused brands. Minimum Order Quantities (MOQs) often start at 25 kg, with discounts for larger volumes. Sample testing for compatibility in end products (e.g., solubility in a beverage matrix) is recommended before bulk purchases.
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