日本人の常用食品の消化吸収率とエネルギー利用率に関する研究 : 第4報椎茸

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The digestibilities of nutrients and energy in Shiitke mushrooms (Lentinus edodes) was measured in healthy adult males. A test diet was given for 5 days after 5 days on a basal diet which supplied 40g/day of protein and 45kcal/kg/day of energy. The test diet was identical with the basal diet except that shiitake was incorporated. Digestibility was calculated by the difference of fecal output between the test period and the basal period. The results obtained were follows:1. Shiitake 60g/day intake levelDigestibility of protein was 69.3±11.2%.Digestibility of fat was 66.6±24.9%.Digestibility of carbohydrate was 55.7±10.5%.The ratio of the total available energy to intake energy (Net Energy Availability) was 55.4±15.4%.2. Shiitake 40g/day intake levelDigestibility of protein was 85.5±23.8%.Digestibility of fat was 70.0±90.1%.Digestibility of carbohydrate was 65.8±13.1%.The ratio of the total available energy to intake energy (Net Energy Availability) was 67.4±25.9%.