At first, ice and snow was used to keep food. They were stored before long in winter and ate in summer. At that time, they were used to encouraged the morale of the soldier and to cheer up them body as a healthy food. Person who called ice and snow as healthy food, as well as favorite food is Julius Caesar. He was said that he drank cold ice and snow mixed milk and honey, wine. After that, Marco Polo passed on Europe manufacturing method of milk ice from China. This becomes the reputation in Venice, and it is said that the manufacturing method of the sherbet spread through the whole north Italy. In the early 16th century, a technique to cool a thing in Italy developed greatly. Then, it was succeeded by letting the drink freeze. The sherbet which did not use natural water came to be made, and the variation spread at a stretch. Then, ice cream reached in Japan. The Japanese first ice was bought in expensive store. Kozo Sato learned a production technology of the ice cream in U.S.A. and went back to Japan afterwards. He began to put out Jijoen ice cream. They were sold at a low price. It spread out among citizens and became a pioneer of the modern ice cream.
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