| 摘要 |
PURPOSE:To produce dried powder of earthworm having excellent storage stability, effective for improving unhealthy state of nutrition and blood system of mammals including human by grinding raw earthworms in a wet state, freezing a suspension and drying in vacuum. CONSTITUTION:Mud and excrement such as castings remaining in raw earthworms are removed, the earthworms are washed with water and ground in a wet state. Then the prepared suspension is frozen, then freeze-dried at a freezing temperature or approximately the temperature and then dried in vacuum while raising and lowering temperature. |
