Natural Bioflavonoids Sources
Active ingredient: Citrus Flavonoids
Specification: 90% HPLC
Grade: Food grade
Appearance: Brownish yellow powder
Package specification: 25kg/drum
Mode of transportation: International express, air cargo, sea cargo
Delivery: We maintain sufficient inventory to ensure fast dispatch. Small parcels are shipped via FedEx, while pallet and container orders are transported by air or sea.
OEM/ODM: Available
Minimum order quantity: 1kg, samples available
- Free Samples
- Quality Assurance
- 24/7 Customer Service
Product Introduction
Natural Bioflavonoids Sources: Premium Citrus-Derived Functional Ingredients
Natural Bioflavonoids Sources from citrus fruits are produced by Kang Biotech using innovative extraction methods. Our company has 11 years of manufacturing experience and a technical team with 20+ years of citrus extraction expertise. We operate a 33,000 m² production facility with 9 advanced lines. Over 20,000,000 m² of maintained bitter orange plants in Lianyuan, Hunan Province ensure steady raw material supply across our whole supply chain. For worldwide culinary, nutraceutical, and pharmaceutical applications, we provide standardized citrus bioflavonoid extracts with 10% to 90% HPLC purity and ISO 9001, ISO 22000, HACCP, Halal, Kosher, and FAMI-QS compliance.

What Are Natural Bioflavonoids Sources?
Sources of natural bioflavonoids are phenolic compounds found in plants. Metabolites with powerful antioxidant, anti-inflammatory, and cardioprotective properties.
The majority of bioflavonoids are produced by citrus fruits of the Rutaceae family. Among the most frequent are hesperidin, neohesperidin, naringin, nargenin, diosmin, rutin, quercetin, nobiletin, and tangeretin. The pulp and peel of citrus fruits, such as lemons, sweet oranges, grapefruits, and bitter oranges, can be extracted using water or ethanol to expose these compounds.
Products with few ingredients are in high demand, and these chemicals produced from citrus fruits might provide a hand. Purity of medicinal phytochemicals and reduction of oxidative stress in functional products are two industrial concerns that their remedies fix.
Technical Specifications and Properties
Our citrus bioflavonoid extracts are characterized by precise technical parameters that ensure consistent quality and performance.
| Parameter | Specification |
|---|---|
| Botanical Source | Citrus aurantium L. |
| Active Ingredient | Citrus Flavonoids |
| Specification Range | 10%-90% HPLC |
| Standard Grade | 90% HPLC |
| Product Grade | Food Grade |
| Appearance | Brownish Yellow Powder |
| Extraction Method | Water Extraction / Ethanol Extraction |
| Package Size | 25kg/Drum |
| Minimum Order | 1kg (Samples Available) |
Our products have a 2-phenyl-chromen-4-one chemical backbone. We use HPLC and aluminum chloride colorimetric assays to assess total flavonoids. Our extracts absorb UV well and have strong redox potential.
Quality advantages include higher bioavailability than synthetic alternatives. Natural co-factors generate an entourage effect. Our standardized extracts are batch-to-batch consistent and acid-resistant.
Applications Across Multiple Industries
Kang Biotech Natural Bioflavonoids Sources serve three main industrial industries.
Citrus bioflavonoids are active constituents in cardiovascular support supplements. They enhance capillary permeability and blood circulation. Vitamin C and these substances are often combined in nutritional formulations due to their complimentary effects.
Functional Food and Beverage: Energy drinks, juices, and wellness drinks contain our bioflavonoid extracts. They are antioxidants and preservatives. Even after short-term high-temperature pasteurization, the chemicals remain stable.
Advanced Cosmeceuticals: Anti-aging serums and skincare use our ingredients. Bioflavonoids protect skin matrix by inhibiting collagenase and elastase. They protect against UV-induced photooxidation in polluted cities.
Comprehensive Quality Control Standards
Kang Biotech rigorously tests products for safety, purity, and potency.
We identify and quantify plant fingerprints using HPLC-DAD and LC-MS/MS. This guarantees each batch matches the intended source and concentration levels.
Contaminant Screening: ICP-MS heavy metal testing passes worldwide safety standards. We test for lead, arsenic, mercury, and cadmium per Prop 65 and worldwide regulations.
Comprehensive GC-MS/MS screening covers 500+ pesticide residues. Organic integrity and consumer safety are ensured.
We check for E. coli and Salmonella. Total Plate Counts must be below 1,000 CFU/g internationally.
Stability testing ensures shelf-life using ICH criteria. ISO 22000, HACCP, Halal, Kosher, and FAMI-QS certifications are in place for our quality management system.

Manufacturing and Supply Chain
Our integrated industrial chain covers citrus cultivation, R&D, manufacturing, quality control, and application development. This vertical integration ensures consistent quality from plantation to final product.
The 33,000 m² manufacturing facility houses 9 advanced production lines. We employ low-temperature vacuum extraction to preserve bioactivity and prevent thermal degradation. This process maintains the potency of heat-sensitive flavonoid compounds.
We maintain sufficient inventory of standard specifications to ensure fast dispatch. Small parcels ship via FedEx for quick delivery. Pallet and container orders transport by air or sea freight according to your requirements.
Our production capacity supports both small trial orders starting from 1kg and large-scale commercial shipments. This flexibility accommodates R&D projects and full-scale production needs.

OEM/ODM Customization Services
Kang Biotech provides comprehensive customization services to meet diverse market requirements for the products.
Product Specifications: We customize purity levels from 10% to 90% HPLC based on your application needs. Our technical team develops formulation solutions tailored to specific functional requirements.
Packaging Solutions: Choose from various packaging formats including custom labeling, private branding, and package size options. We adapt to different regulatory standards across global markets.
Application Support: Our experienced team provides technical documentation, application consultation, and formulation guidance. We help you select the optimal bioflavonoid profile for your product development.
This customization capability is backed by our Joint Research Center established with the Hunan Institute of Agricultural Product Processing and Quality Safety. Our R&D team rapidly responds to changing customer needs and emerging market trends.

FAQ
Q: Why are goods chosen over synthetic flavonoids?
A: Synergistic chemicals in natural sources improve metabolic absorption and are safer for long-term use.
Q: How does heat processing influence product potency?
A: Many flavonoids, including Rutin, are heat-resistant. Low-temperature vacuum extraction preserves bioactivity.
Q: Why is'standardized extract' important in products?
A: It ensures batch-to-batch clinical effectiveness by maintaining the active marker (e.g., 95% Quercetin).
Q: How are product origins verified?
A: SIRA and botanical fingerprinting prevent adulteration and guarantee supply chain transparency.
Q: Are the items suitable with oil-based formulations?
A: Many are water-soluble, but we provide micronized or liposomal delivery methods for lipid-based applications.
Contact Us
Ready to source Natural Bioflavonoids Sources for your formulations? Contact our team at sales02@kangbiotech.com to discuss your requirements and request samples today.
Send Inquiry










