Quercetin API raw material for antioxidant, anti-inflammatory, and immune support with high purity.
Quercetin（Sophora japonica）
Powerful natural-derived flavonoid component. Multifunctional with antioxidant, anti-inflammatory, and immune-modulating properties. High-purity API material suitable for supplements and drinks.
Quercetin is a type of polyphenol widely found in plants such as onions, buckwheat, kale, and tea leaves. It possesses excellent antioxidant and anti-inflammatory properties, making it a functional API ingredient used in various health foods and supplements. The main functionalities and applications are as follows: - Powerful antioxidant action: Contributes to the removal of free radicals and reduction of cellular aging and oxidative stress. - Anti-inflammatory and antiviral effects: Supports inflammation suppression and immune modulation. - Allergy suppression: Alleviates hay fever and allergies by inhibiting histamine secretion. - Cardiovascular support: Expected to strengthen capillaries and help with blood pressure control. - Metabolic improvement and blood sugar regulation: Applied to improve sugar metabolism and inhibit fat accumulation. Our quercetin ingredient is derived from natural sources such as Sophora japonica flower buds and is purified to a high degree of purity. It meets a purity level of over 95% (HPLC) and is ideal for incorporation into supplements, powdered beverages, and drink products. Additionally, the products comply with the following certifications: GMP / ISO / HACCP / Halal / Kosher We can also propose organic options and support OEM product development as per your requirements.
Inquire About This Product
basic information
Product Name: Quercetin Source Material: Sophora japonica (Japanese pagoda tree) flower buds, etc. Main Component Content: Quercetin ≥ 95% (HPLC) Appearance: Yellow to yellow-brown fine powder Certification: GMP / ISO / HACCP / Halal / Kosher Form: Powder (particle size can be adjusted for tablets and capsules) Packaging: 1kg aluminum bag, 25kg drum Storage Conditions: Cool, dark place, stored in a dry, sealed container
Price range
Delivery Time
Applications/Examples of results
Antioxidant and anti-inflammatory supplements Allergy measures (hay fever, skin troubles) Immune support drink Health foods, functional beverages, sports nutrition
Company information
YOUCHANG INDUSTRIAL DEVELOPMENT CO., LTD is a specialized manufacturer of natural ingredients, focusing on herbal extracts and plant-derived extracts, and is a global company with strengths in international exports. We develop products that integrate traditional knowledge of Chinese medicine with biotechnology, catering to diverse industries such as pharmaceuticals, cosmetics, health foods, functional beverages, personal care, animal nutrition, and aromatherapy. Our main products include herbal extracts, fruit and vegetable powders, tea extracts, peptides, active pharmaceutical ingredients (APIs), natural flavors, essential oils, reed diffusers, and aroma candles. We utilize advanced extraction technologies such as supercritical CO₂ extraction, low-temperature vacuum concentration, membrane separation, and spray drying to achieve high purity and stability of components. We have obtained various international certifications including ISO, GMP, HACCP, HALAL, KOSHER, and organic certification, establishing a quality control and traceability system. We can accommodate both small batches and large-scale production. Through stable quality, competitive pricing, professional support, and sustainable sourcing of raw materials, we build trust with business partners around the world.