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Pharmaceutical Grade Diosmin Powder China Suppliers USP Standard API Factory

Premium Diosmin extracted from Citrus Aurantium L. immature fruit via Ethanol and Water solvent. Our China factory provides USP grade API that is Non-GMO, BSE TSE Free, and Allergen Free. Leading suppliers for high-purity flavonoid powders.

Product Detail

Diosmin is a premium pharmaceutical-grade flavonoid extracted from Citrus Aurantium L. (immature fruit), engineered specifically for the treatment of venous and lymphatic disorders. As a critical API in the health supplement and pharmaceutical industry, Diosmin is highly effective in managing hemorrhoids, varicose veins, and chronic venous insufficiency, promoting healthier blood circulation and reducing vessel permeability.

Our Diosmin extract is processed using advanced Ethanol and Water solvent extraction to ensure maximum purity and bioavailability. Frequently formulated in combination with Hesperidin, it provides a synergistic effect that strengthens capillary walls and improves lymphatic drainage, making it an essential ingredient for high-efficacy nutritional health products and pharmaceutical formulations.

Detailed Parameters

Source PlantCitrus Aurantium L. (Immature Fruit) AppearanceGreyish-yellow or light yellow powder
Assay (HPLC)Complies with USP Standards Identification (IR)Complies with Diosmin USP
Heavy Metals≤ 20 ppm Water Content≤ 6.0%
Total Impurities≤ 8.5% Particle Size95% pass 80 mesh
Shelf LifeTwo Years Packing25kg/drum

Key Advantages

USP Compliance

Strictly adheres to USP specifications for assay, purity, and impurity levels, ensuring pharmaceutical grade quality.

High Stability

Optimized for a 2-year shelf life when stored in cool, dry conditions away from direct sunlight.

Clean Label

Certified Non-GMO, BSE/TSE Free, Allergen-Free, and Non-Irradiated for maximum safety.

Micro-Purification

Advanced solvent extraction ensuring extremely low residual solvents and precise impurity control.

Optimal Mesh Size

95% passing 80 mesh provides excellent solubility and uniformity for tablet and capsule filling.

Microbial Safety

Rigorous testing for E.Coli, Salmonella, and S. aureus to guarantee sterile API production.

Product Gallery

Management Platforms

OEM/ODM Integration

Customized formulation services for chewable tablets, coating tablets, and liposomal delivery systems.

Quality Control

Full HPLC and IR spectrum analysis for every batch to ensure consistency and pharmaceutical purity.

Supply Chain Traceability

Complete traceability from the source of Citrus Aurantium L. to the final packaged API drum.

Regulatory Support

Detailed COA and technical documentation provided to support global regulatory filings.

Inventory Management

Optimized storage protocols to prevent hygroscopic degradation and maintain API potency.

Specialization Hub

Expertise in Microencapsulation and Time-Release technology for enhanced nutrient delivery.

Investment Return Comparison

MetricStandard GradePharmaceutical Grade (Our API)
Purity LevelBasic AssayUSP Standard HPLC Certified
Impurity ProfileUnspecifiedStrictly Controlled (Total ≤ 8.5%)
BioavailabilityVariableOptimized via Micro-particle Size
Safety CertificationGeneralNon-GMO, BSE/TSE, Allergen Free
Application ValueGeneral SupplementMedical API / High-End Nutraceutical

Frequently Asked Questions

Q: What are the primary applications of Diosmin in health supplements?

Diosmin is primarily used to treat venous insufficiency, hemorrhoids, and varicose veins by improving vascular tone and lymphatic drainage.

Q: Why is Diosmin often combined with Hesperidin?

The combination creates a synergistic effect that increases the effectiveness of the flavonoid in strengthening capillary walls and reducing edema.

Q: Is your Diosmin extract suitable for OEM supplement manufacturing?

Yes, we provide full OEM/ODM support, including custom particle size and formulation for tablets, capsules, and liposomal products.

Q: How do you ensure the absence of contaminants in your API?

We utilize strict HPLC testing and microbial screenings to ensure the product is Non-GMO, BSE/TSE free, and within USP impurity limits.

Q: What is the recommended storage for Diosmin powder?

Because it is hygroscopic, it should be stored in a cool, dry place in tightly sealed containers, avoiding direct sunlight.

Q: Can you provide customized delivery forms like Time Release Tablets?

Absolutely. We specialize in specialty delivery systems including Time Release and Microencapsulation to optimize absorption.

Ready to Elevate Your Product Line with Pharmaceutical Grade Diosmin?

Contact Us


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If you are interested in our products, you can choose to leave your information here, and we will be in touch with you shortly.