White to light yellow powder, unique smell, taste, no peculiar smell, dissolves in water to form emulsion, PH is 6-7.
The main component of vitamin K2 (fermentation method) powder product is menadione of the vitamin K2 family and the auxiliary materials are modified starch, starch, dextrin, microcrystalline cellulose, emulsifiers, antioxidants, etc.
| Item | Index | Item | Index |
| Contentμg/g | ≥1000 | Moisture % | ≤5.0 |
| Lead（Pb）mg/kg | ≤0.1 | Ash content% | ≤3.0 |
| （Hg）mg/kg | ≤0.05 | Total arsenic（As）mg/kg | ≤0.1 |
| （Cd）mg/kg | ≤0.1 | 666 mg/kg | ≤0.05 |
| Aflatoxins μg/g | ≤5.0 | DDT mg/kg | ≤0.05 |
| Mold and yeast cfu/g | ≤100 | Total number of colonies cfu/g | ≤1000 |
| Escherichia coliMPN/g | ≤3.0 | Coliforms MPN/g | ＜3.0 |
| Pathogenic bacteria (Salmonella, Staphylococcusaureus) | Not allowed | ||
