Warm Hot food of this Hair bright purpose in the Class of the cooked rice Rice of what Will Gang concentrates Leng They, cold Frozen, makes Qi The Over Over Leng They Like states, and Festival provinces put the cold Frozen of Cool Suo Charges Leng They effort , Ti Noboru and save, solve Frozen Hous Pin Quality by this method. The cold Frozen of what saves rice Rice etc. in the cold Frozen methods of food of Lake powder foods, The food Warm degree what Gao Warm Time, with 0.5 DEG C/minute or more Leng They Su Du Jin row Ji Su Leng They, the Warm Du Tapes Time of 40 ~ 1 DEG C of Da of When food surface Warm Du, stop Ji Su Leng They Minus Ruo Leng They abilities, Hou, When food Warm Du Da Frozen Knot Dot Warm degree Fu Jin Time, As Kuai Su Leng They increase Strong food week Wai sky Gas Warm degree in -15 DEG C or less of Fan Wai Leng They ability , The Over Ji and Ding the general cold Frozen preservations of Time Inter Hou Zai Du Jin row Ji Su Leng They, Ran Hou Jin rows.本發明之目的在於將剛煮好米飯之類的溫熱食品集中冷卻、冷凍,使其經過過冷卻狀態,以此方式節省放涼所費之冷卻工夫,提昇冷凍保存、解凍後的品質。於冷凍保存米飯等具有澱粉食品之食品冷凍方法中,該食品溫度於高溫時,以0.5℃/分以上之冷卻速度進行急速冷卻,當食品表面溫度達40~1℃之溫度帶時,停止急速冷卻,減弱冷卻能力,之後,當食品溫度達凍結點溫度附近時,為了快速冷卻,增強食品周圍空氣溫度在-15℃以下之範圍的冷卻能力,經過既定時間後,再度進行急速冷卻,然後進行一般之冷凍保存。
