A study to make a food and nutrient composition database for dietary surveys

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We chose, from the existent dietary record data, fried vegetables represented as mixed dishes containing multiple food items that the Japanese take in daily. After making a typical recipe, we cooked the food, took photos of it, and weighed its volume. Also, we weighed the ingredients before and after the cooking, and calculated the coefficient of the weight change in between. By using this basic datum, we tried to make a table of the nutrient composition per 100ml of the mixed dishes. Furthermore, we considered a method of guessing the possible volume of mixed dishes displayed on the screen of a personal computer.