Description
Quality standard
(1) Sensory index
| Items | Requirements |
| Morphology | Powder, no clumping |
| Color | Light yellow or milky white powder |
| Odor | Inherent smell of the product, no other peculiar smell |
| Impurity | No normal visible extraneous impurity |
(2) Physicochemical index
| Items | Soya Peptone | ||
| Industrial grade | Pharmaceutical grade | ||
| Total nitrogen
(on DM) % |
≥8.0 |
||
| Ash
(on DM) % |
≤15.0 | ||
| Amino nitrogen
(on DM) % |
≥2.0 |
||
| Loss on Drying % | ≤7.0 | ||
| PH (2% solution) | 5.0—7.0 | ||
| Acid solution &
alkalescence high-pressure test |
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|
||
| Solubility,(2% solution) | Slightly Soluble | Complete | |




