So many foods Delicious ? Allaying hunger ? Nutritional value ?
So many foods Delicious ? Allaying hunger ? Nutritional value ?
食品的营养价值(nutritional value) 是指某种食品所含营养素和热能满足人 体需要的程度。取决于营养素的种类、数量、 相互比例及消化吸收率。 Nutrition value is degree or percentage of nutrients and energy in food that can meet human requirement. It rests with the kinds, quantity, proportion and absorption rate of nutrients
食品的营养价值(nutritional value) 是指某种食品所含营养素和热能满足人 体需要的程度。取决于营养素的种类、数量、 相互比例及消化吸收率。 Nutrition value is degree or percentage of nutrients and energy in food that can meet human requirement. It rests with the kinds, quantity, proportion and absorption rate of nutrients
Assessment of food nutritional value: The kind and quantity of nutrients ：analysis, food composition (化学分析、仪器分析、食物成分表) The quality of Nutrients: the rate of absorption and availability (吸收利用率 : BV，NPU，PER） Change during cooking and processing: loss 营养质量指数(index of nutrition quality, INQ) 某营养素密度 某营养素含量/该营养素供给量 INQ=——————=———————————— 热能密度 所产生热能/热能供给量标准
Assessment of food nutritional value: The kind and quantity of nutrients ：analysis, food composition (化学分析、仪器分析、食物成分表) The quality of Nutrients: the rate of absorption and availability (吸收利用率 : BV，NPU，PER） Change during cooking and processing: loss 营养质量指数(index of nutrition quality, INQ) 某营养素密度 某营养素含量/该营养素供给量 INQ=——————=———————————— 热能密度 所产生热能/热能供给量标准
食物的营养价值（成年男子轻体力劳动） energy (kJ) protein (g) Vit.A (µgRE) Vit.B1 (mg) Vit.B2 (mg) RNI（A,M,L） 10878 80.0 800 1.3 1.3 100g egg 653 12.8 194 0.13 0.32 INQ 2.67 4.04 1.67 3.80 100g rice 1456 8.0 - 0.22 0.05 INQ 0.77 - 1.30 0.30 100g soybean 1502 35.1 37.0 0.41 0.20 INQ 3.13 0.33 2.25 1.10
食物的营养价值（成年男子轻体力劳动） energy (kJ) protein (g) Vit.A (µgRE) Vit.B1 (mg) Vit.B2 (mg) RNI（A,M,L） 10878 80.0 800 1.3 1.3 100g egg 653 12.8 194 0.13 0.32 INQ 2.67 4.04 1.67 3.80 100g rice 1456 8.0 - 0.22 0.05 INQ 0.77 - 1.30 0.30 100g soybean 1502 35.1 37.0 0.41 0.20 INQ 3.13 0.33 2.25 1.10
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
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