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European warehouse
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USA warehouse
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ITEMS | STANDARD |
Appearance | Crystalline Powder |
Color | Yellow or greenish-yellow |
Particle Size | 100% through 80 Mesh |
Loss on Drying | 5.5-9.0% |
Residue on Ignition | < 0.5% |
Impurity quercetin | < 5.0% |
Heavy Metals | < 20ppm |
Assay (Anhydrous substance) by UV | > 95.0% |
Total Plate Count | < 1,000cfu/G |
Yeast & Mold | < 100cfu/G |
E.Coli. | Negative |
Salmonella | Negative |
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