| 摘要 |
PURPOSE:To prepare roasted sweet potato eatable only by heating, by washing unskinned sweet potato with water, roasting in a pot filled with stones or ash after draining, sealing the roasted sweet potato with a packaging film while it is still hot, and sterilizing the product. CONSTITUTION:An unskinned sweet potato is washed with water (1), drained (2), and roasted (3) in a roasting pot filled with stones or ash. The roasted sweet potato is sealed (4) with a packaging film immediately after roasting while it is still hot. The packaged (4) roasted sweet potato is sterilized (5) with hot water, etc., distributed and put on sale. The packaged roasted sweet potato can be eaten instantly by a consumer after heating in an electronic oven, etc. |
