Overview
Lotus root extract is derived from the rhizomes of Nelumbo nucifera, a plant revered in Asian cultures for its nutritional and medicinal value. The extract is rich in bioactive compounds, including polyphenols (e.g., quercetin), alkaloids (e.g., nuciferine), and polysaccharides, which contribute to its therapeutic effects. It is commonly processed into powders, liquids, or oils for industrial use. In traditional Chinese medicine, lotus root has been used for centuries to support digestion, reduce inflammation, and promote skin health. Modern research highlights its antioxidant capacity, making it a popular ingredient in functional foods and cosmeceuticals. B2B buyers often source it for its versatility and natural appeal.
Physical and Chemical Properties
Lotus root extract typically appears as a fine powder or viscous liquid, with color varying from light brown to yellow based on processing methods. Its water solubility makes it suitable for aqueous formulations, though solvent-based extracts may require emulsifiers. Key components like polyphenols exhibit stability at pH 5โ7 but degrade under prolonged UV exposure. The extractโs antioxidant activity is measured via ORAC (Oxygen Radical Absorbance Capacity) values, often ranging from 5,000โ15,000 ยตmol TE/g. Alkaloids such as nuciferine contribute to its anti-inflammatory effects, while fiber content aids in binding heavy metals. Analytical techniques like HPLC are used to standardize active compound concentrations.
Main Applications
In the food industry, lotus root extract serves as a natural preservative and functional ingredient in beverages, snacks, and supplements due to its polyphenol content. Its subtle earthy flavor complements health-focused products like teas and energy bars. The cosmetic industry values the extract for its skin-brightening and anti-aging properties. It is incorporated into serums, masks, and creams to combat oxidative stress and improve elasticity. Pharmaceutical applications include herbal formulations for gastrointestinal and cardiovascular support, leveraging its traditional medicinal benefits.
Safety and Storage
Lotus root extract is non-toxic at typical usage levels (1โ5% in cosmetics, <10% in foods). However, suppliers should provide allergen statements, as cross-reactivity with pollen allergies is possible. Storage in moisture-proof containers at <25ยฐC prevents clumping or microbial growth. For bulk procurement, ensure COA (Certificate of Analysis) includes microbial limits (e.g., <1,000 CFU/g) and heavy metal thresholds (e.g., lead <5 ppm). Cold-chain transport is recommended for liquid extracts to maintain stability.
B2B Procurement Guide
When sourcing lotus root extract, prioritize suppliers with ISO 22000 or GMP certification to guarantee quality control. Key selection criteria include extraction method (e.g., supercritical CO2 for solvent-free purity), organic certification (USDA/EU), and batch consistency. Negotiate pricing based on volume; discounts are common for orders exceeding 100 kg. Samples should undergo third-party testing for active compound verification. Long-term contracts with tiered pricing can secure supply amid seasonal demand fluctuations in Asian markets.
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