Technical Data Sheet (TDS)
Product Name: Flavonoids Extract
Grade: Food & Industrial
CAS No.: 29782-68-1
Molecular Formula: C15H10O6
Appearance: Yellow to orange powder
Odor & Taste: Characteristic
1. Product Description
Flavonoids are natural polyphenolic compounds widely found in plants, known for their antioxidant, anti-inflammatory, and colorant properties.
Food grade: Suitable for dietary supplements, functional foods, beverages, and nutraceutical applications.
Industrial grade: Suitable for cosmetic formulations, feed additives, and natural colorants.
2. Technical Specifications
| Index | Specification | Method |
|---|
| Appearance | Yellow to orange powder | Visual |
| Odor & Taste | Characteristic | Organoleptic |
| Mesh Size | ≥80% through 80 mesh | Sieve analysis |
| Moisture | ≤5% | Loss on drying |
| Ash | ≤2% | Gravimetric |
| Flavonoid Content (as Quercetin) | ≥95% | HPLC / UV |
| pH (10% solution) | 5.0 – 7.0 | pH meter |
| Heavy Metals | ≤10 ppm | ICP-MS |
| Lead (Pb) | ≤1 ppm | ICP-MS |
| Arsenic (As) | ≤1 ppm | ICP-MS |
| Cadmium (Cd) | ≤0.5 ppm | ICP-MS |
| Mercury (Hg) | ≤0.1 ppm | ICP-MS |
| Total Plate Count | ≤1000 CFU/g | Plate count method |
| Yeast & Mold | ≤100 CFU/g | Plate count method |
| E. coli | Negative | ISO 9308-1 |
| Salmonella | Negative | ISO 6579 |
3. Physical & Chemical Properties
Solubility: Slightly soluble in water; soluble in ethanol and DMSO.
Color: Yellow to orange powder.
Odor & Taste: Characteristic, slightly bitter.
Stability: Stable under dry, cool storage; sensitive to light and high temperatures.
4. Applications
Food Grade:
Dietary supplements, capsules, tablets
Functional beverages
Natural colorants and antioxidants
Industrial Grade:
Cosmetic formulations (creams, lotions)
Feed additives for animals
Natural dyes in textiles and coatings
5. Storage & Handling
Store in a cool, dry place, away from direct sunlight and moisture.
Shelf life: 24 months from manufacture date when stored properly.
Use appropriate PPE during handling (mask, gloves).
6. Packaging
25 kg fiber drum with double PE liner (customizable per request)
Other packaging options: 5 kg, 10 kg, 50 kg drums or cartons
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