Dissolution inhibitor of tooth enamel

An object of the present invention is to suppress the dissolution of tooth enamel, it is to provide dissolution of tooth enamel which can hold the teeth in a healthy condition (decalcification) inhibitor. Guar gum, glucomannan, beta-cyclodextrin, tragacanth, using carrageenan, locust bean gum, hyaluronic acid, pullulan, at least one selected from the group consisting of pectin and xanthan gum, as a dissolution inhibitor of tooth enamel.