Technical Data Sheet (TDS)
Product Name: Isoflavone
Synonyms: Soy Isoflavones, Genistein, Daidzein
CAS No.: 574-12-9
EINECS No.: 209-392-7
Botanical Source: Glycine max (Soybean)
Grade: Food & Industrial Grade
1. Physical & Chemical Properties
| Property | Specification | Test Result (Example) |
|---|
| Appearance | Yellow to brownish yellow powder | Yellow powder |
| Odor & Taste | Characteristic odor, slightly bitter taste | Characteristic odor, slightly bitter taste |
| Identification | HPLC / UV / TLC | Complies |
| Assay (Total Isoflavones) | ≥ 40% (by HPLC) | 42.3% |
| Loss on Drying | ≤ 5% | 3.2% |
| Ash | ≤ 2% | 1.5% |
| Solubility | Insoluble in water; soluble in ethanol, DMSO | As specified |
| pH (1% aqueous solution) | 5.0–7.0 | 6.2 |
| Melting Point | 230–235°C | 232°C |
| Bulk Density | 0.45–0.60 g/cm³ | 0.52 g/cm³ |
| Particle Size | 100% pass 80 mesh | Pass |
2. Heavy Metals & Contaminants
| Parameter | Limit | Result (Example) |
|---|
| Heavy Metals | ≤ 10 ppm | 6 ppm |
| Lead (Pb) | ≤ 2 ppm | 1.2 ppm |
| Arsenic (As) | ≤ 1 ppm | 0.5 ppm |
| Cadmium (Cd) | ≤ 1 ppm | 0.3 ppm |
| Mercury (Hg) | ≤ 0.1 ppm | <0.1 ppm |
3. Microbiological Standards
| Parameter | Limit | Result (Example) |
|---|
| Total Plate Count | ≤ 1000 CFU/g | 120 CFU/g |
| Yeast & Mold | ≤ 100 CFU/g | 15 CFU/g |
| E. coli | Negative | Negative |
| Salmonella | Negative | Negative |
| Staphylococcus aureus | Negative | Negative |
4. Functional Properties
Antioxidant Activity: Isoflavones are natural antioxidants that can neutralize free radicals.
Phytoestrogenic Activity: May support hormonal balance and reduce menopausal symptoms.
Cardiovascular Support: Potential benefit for blood lipid regulation.
Skin Health: Can be used in cosmetic formulations for anti-aging effects.
Industrial Use: Suitable for nutraceuticals, functional foods, cosmetics, and chemical intermediates.
5. Recommended Applications
Food Grade:
Nutraceutical capsules, tablets, and powders
Functional beverages, soy-based drinks
Dietary supplements and fortified foods
Industrial Grade:
Cosmetic formulations (creams, serums, lotions)
Pharmaceutical research and laboratory use
Industrial extraction, formulation, and intermediates
6. Packaging & Shelf Life
Packaging: 25 kg / fiber drum with double polyethylene liner
Shelf Life: 24 months under recommended storage conditions
Handling: Avoid moisture, heat, and sunlight
7. Safety & Handling
Use appropriate personal protective equipment (gloves, mask, goggles)
Avoid inhalation of powder or dust
Keep away from strong oxidizers
Wash hands thoroughly after handling
For accidental ingestion or contact, follow safety protocols
8. Regulatory Compliance
Complies with USP, EP, and Food Grade Standards
Non-GMO source (if specified)
Suitable for food, cosmetic, and industrial applications
9. Analytical Method Reference
HPLC for Isoflavone assay
UV spectrophotometry for identification
Standard microbiological methods for microbial limits
ICP-MS for heavy metals
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