PROBLEM TO BE SOLVED: To provide homogeneous tangerine orange powder thoroughly and effectively utilizing active ingredients of Citrus unshiu Marc. such as carcinogenic inhibitory ingredients or other nutrient ingredients, and preservable over a long period, and to provide a rice-cake sweet efficiently ingesting the carcinogenic inhibitory ingredients or other nutrient ingredients, or the like, by using the tangerine orange powder.;SOLUTION: The whole fruit of the ripe Citrus unshiu Marc. is treated with a mixer and the resultant paste is subjected to a freezing and drying treatment and then pulverized. The obtained tangerine orange powder 3 is smeared on the surface of a rice cake body 2 composed of bean jam 21 and a rice-cake coating 22 wrapping the bean jam 21 from the outside.;COPYRIGHT: (C)2004,JPO&NCIPI
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