各類食物的營(yíng)養(yǎng)價(jià)值-展示頁(yè)
2025-05-08 12:22本頁(yè)面
【正文】 某營(yíng)養(yǎng)素密度 某營(yíng)養(yǎng)素含量 /該營(yíng)養(yǎng)素供給量 INQ=—————— =———————————— 熱能密度 所產(chǎn)生熱能 /熱能供給量標(biāo)準(zhǔn) 食物的營(yíng)養(yǎng)價(jià)值（成年男子輕體力勞動(dòng)） energy (kJ) protein (g) (181。So many foods Delicious ? Allaying hunger ? Nutritional value ? 食品的營(yíng)養(yǎng)價(jià)值 (nutritional value) 是指某種食品所含營(yíng)養(yǎng)素和熱能滿足人體需要的程度。取決于營(yíng)養(yǎng)素的種類、數(shù)量、相互比例及消化吸收率。gRE) (mg) (mg) RNI（ A,M,L） 10878 800 100g egg 653 194 INQ 100g rice 1456 INQ 100g soybean 1502 INQ Classification of food Origin and Character： ⑴ animal food ⑵ plant food ⑶ food produces nutritional character： (1) cereal grain (2) legumes and its produces (3) vegetables and fruits (4) meat, poultry and fish (5) milk and its produces (6) egg and its produces CEREAL GRAINS Cereal grains are seeds of the grass family. Wheat , rice, corn, kaoliang are the most important cereals used for human food. 結(jié)構(gòu)與營(yíng)養(yǎng)成分 (structure and position) bran 纖維素和半纖維素 5% 蛋白質(zhì)、脂肪、 B族維生素 aleurone layer 蛋白質(zhì)、磷、 B族維生素 8% endosperm 淀粉，蛋白質(zhì) 83% germ 蛋白質(zhì)、脂肪、可 2－ 3% 溶性糖和 B族維生素 (nutritional value ) They provide us with a majority of our food calories and about half of protein. ? Protein ~15% EAA不平衡 BV偏低 ? Carbohydrates 淀粉 90% ＞ 70% 單糖 10% ? Fat 不飽和脂肪酸 1~4% lay in germ and bran mainly ? Mineral (P， Ca), ~3% lay in bran and aleurone layer ? Vitamins B vitamins （ thiamin,riboflavin,niacin） lay in aleurone layer and germ The nutritional value of cereal products varies with the part of grain that is used and the method of processing, cooking. 85 1640 麥胚粉 92 1611 燕麥 19 1372 黑米
教學(xué)課件相關(guān)推薦
鄂ICP備17016276號(hào)-1