| 摘要 |
12 A ginseng powder is produced as follows. Firstly, a ginseng harvested from a field is washed within at least 24 hrs. after harvest in the raw state. Then, the washed ginseng is dried under such a condition that it is not subjected to temperatures above 40 .degree.C. After that, the dried ginseng is put in liquid nitrogen so as to have a low temperature brittleness. Subsequently the whole of the ginseng is crushed into powder at a time within a nitrogen gas atmosphere at an evaporation temperature of the liquid nitrogen. |
