Rutin 95% (Sophora Japonica Extract) — Natural Bioflavonoid Powder
What Is Rutin 95%?
Rutin, also known as rutoside, quercetin 3-O-rutinoside, or simply Vitamin P, is a naturally occurring bioflavonoid found abundantly in the flower buds of Sophora japonica L.
Our Rutin 95% is a standardized extract derived exclusively from high-quality Sophora japonica flower buds. It is refined to ≥95.0% purity and tested by UV method (CAS 153-18-4). The finished product is a fine, yellow-green powder with consistent particle size and excellent flowability — ideal for encapsulation, tablet pressing, and powder blending.
Thanks to our integrated supply chain in China’s key Sophora japonica growing regions, we deliver batch-to-batch consistency at a price that gives your formulations room to compete.
Key Benefits
Often paired with vitamin C for enhanced bioavailability, rutin is one of the most trusted antioxidant flavonoid ingredients in the nutraceutical world. Whether you formulate it solo or as a rutin plus vitamin C combination, this ingredient brings real functional value to your finished product.
Rutin is best known as a venous health supplement ingredient and capillary strengthening ingredient. It works by supporting the integrity of blood vessel walls, helping maintain healthy circulation and reduce capillary fragility. Its antioxidant properties also make it a popular natural bioflavonoid powder for comprehensive free-radical defense formulations.
Application Areas
This Sophora japonica flower extract fits seamlessly across a wide range of finished products:
Dietary supplements — Capsules and tablets targeting vein health and circulation.
Antioxidant complex formulas — Especially rutin plus vitamin C combinations.
Functional food and beverage — Fortification for wellness drinks and powders.
Cosmetic actives — Skin-soothing and anti-redness formulations.
Why Huaze
Shaanxi Huaze Biotechnology Co., Ltd. is a fully integrated manufacturer operating a 25,000 m² facility in the Yangling Agricultural Demonstration Zone. Every batch of Rutin 95% is tested against full enterprise specifications before release — no exceptions. We hold ISO 9001, Kosher, and Halal certifications, with full export filing on record.
Request your 30 g free sample and put our quality to the test in your own lab. Standard packaging is 25 kg per fiber drum, with flexible logistics for orders of any size. Reach out to discuss your project — we will help you get it right from the first batch.Please contact us at sales@zeingredients.com














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