Explore our high-performance active ingredients manufactured under strict GMP compliance for international markets.
Understanding the chemical profile, therapeutic potential, and industrial value of high-purity Diosmetin.
Diosmetin (chemical formula: C16H12O6), also known as 5,7,3'-trihydroxy-4'-methoxyflavone, is a naturally occurring O-methylated flavone. It is the aglycone of the widely known flavonoid glycoside diosmin. Found abundantly in citrus fruits, spearmint, and oregano, Diosmetin has emerged as a cornerstone compound in modern pharmacology and functional nutrition due to its superior bioactivity compared to its glycoside counterpart.
As a leading China Diosmetin Powder Supplier & Factory, Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) utilizes advanced extraction and semi-synthetic conversion technologies to produce pharmaceutical-grade Diosmetin. Our process ensures maximum bioavailability, ultra-low solvent residue, and consistent batch-to-batch purity, meeting the stringent requirements of global buyers in North America, Europe, and the Asia-Pacific region.
| Specification Parameter | Standard Value (HPLC ≥ 98.0%) | Testing Methodology |
|---|---|---|
| Appearance | Light yellow to yellow crystalline powder | Visual Inspection |
| Assay (Diosmetin) | ≥ 98.0% (Dry Basis) | HPLC-DAD |
| Loss on Drying | ≤ 1.0% | USP <731> |
| Heavy Metals (as Pb) | ≤ 10 ppm | ICP-MS (USP <233>) |
| Lead (Pb) | ≤ 1.0 ppm | ICP-MS |
| Arsenic (As) | ≤ 1.0 ppm | ICP-MS |
| Residual Solvents | Meets USP/ICH guidelines (Ethanol ≤ 5000ppm) | GC-Headspace |
| Total Plate Count | ≤ 1,000 cfu/g | USP <61> |
How macro-economic shifts and regulatory updates shape the sourcing of bioflavonoids.
Regulatory bodies like the US FDA, EFSA, and NMPA are tightening controls on botanical extracts. Global buyers require complete traceability, allergen declarations, and non-GMO certification. TRB addresses this by maintaining full documentation transparency, including DMFs (Drug Master Files) and comprehensive COAs.
Standard Diosmetin powder exhibits poor water solubility, limiting its efficacy in oral formulations. Modern buyers seek micronized or solid dispersion forms. Our factory offers customizable particle size distributions (down to D90 < 10μm) to significantly enhance dissolution rates and biological absorption.
Geopolitical tensions and climate volatility threaten raw material sourcing. TRB mitigates this risk through long-term agricultural partnerships for citrus peel sourcing and maintaining a robust safety stock in our state-of-the-art warehousing facilities in Nanjing, China.
Nanjing Tong Rui Bio-Tech Co., Ltd. (TRB) is a leading China-based manufacturer and exporter of premium herbal extracts and their derivatives, boasting over 20 years of industrial expertise. We are a technology-driven enterprise that seamlessly integrates research and development, large-scale production, and international market sales.
Our comprehensive product portfolio includes high-quality Herbal extracts, Natural Sweeteners, Nootropics, Vegetable & Fruit Juice powders, Essential oils, and Bee Products. Due to our rapid development, technological innovation, and dedicated customer service, TRB was proudly awarded the 2026 Global Biotechnology and Life Sciences Award — "Best Global Herbal Extract Provider 2026".
TRB operates three specialized manufacturing facilities: a dedicated herbal extract factory, a bee product processing facility, and an animal-derived extract factory. All facilities are fully certified under global quality standards, including GMP, ISO, HACCP, ORGANIC, FDA, HALAL, and KOSHER Certificates.
Pioneering green chemistry and advanced delivery systems for bioactive flavonoids.
The future of Diosmetin utilization lies in overcoming its physical limitations while minimizing the environmental footprint of its production. TRB's R&D division is actively pursuing a multi-phased technical roadmap designed to deliver high-performance solutions to our global partners:
We are transitioning from traditional chemical synthesis routes to enzyme-catalyzed bioconversion of hesperidin to Diosmetin. This reduces heavy metal catalysts and organic solvent usage by up to 70%, aligning with global corporate sustainability goals.
To target the premium functional beverage and cosmetic markets, TRB is developing water-dispersible liposomal Diosmetin. This technology wraps the hydrophobic Diosmetin molecules in a phospholipid bilayer, increasing cellular uptake and stability in liquid formulations.
Leveraging our extensive research in brain health and longevity, TRB is formulating synergistic combinations of Diosmetin with other nootropic botanical extracts (such as Gotu Kola and Kava) to address the growing consumer demand for cognitive support.
Direct answers to technical, regulatory, and logistical queries from B2B procurement managers.
High-quality raw materials sourced, manufactured, and standardized for global distribution.
Fax: 86-25-52867040
