PURPOSE: To obtain a retort food, containing vegetables having good chewiness without losing the shape due to boiling and excellent in keeping quality by carrying out the immersing treatment of the vegetables in an aqueous solution of a calcium salt, then filling the resultant vegetables in a far infrared ray emitting container and performing the retort treatment. ;CONSTITUTION: A food containing vegetables treated by immersion in an aqueous solution of a calcium salt such as a Chinese cabbage, a cabbage, a garland chrysanthemum, spinach, KOMATSU-NA (a kind of Chinese cabbage), a leaf mustard, a potherb mustard, a broad-leaved mustard, CHINGEN-SAI (a kind of small Chinese cabbage native to China), a carrot, a burdock, a Japanese radish, a taro, a potato or a sweet potato is filled in a far infrared ray emitting container (preferably a retort pouch containing a far infrared ray emitting ceramic) to carry out retort treatment. Thereby, the objective food is obtained.;COPYRIGHT: (C)1996,JPO
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