營養素計算及轉換
食物得來的熱量Energy from food碳水化合物克數×4.kcal/g
蛋白質克數×4.kcal/g
脂肪克數×9.kcal/g
grams×7.kcal/g
1 kilocalorie=4.184 kilojoules
1 kilojoule =0.239 kilocalories
菸鹼素當量Niacin EquivalentsNE from tryptophan
=(grams dietary protein-protein RDA) ÷6
視網醇當量Retinol Activity Equivalent1 μg RE
=1 μg retinol
=6 μg β-carotene
=12 μg other carotene
=3.33 IU retinol
=10 IU β-carotene
維生素D當量 vitamin D Equivalent1 IU=0.025 μg cholecalciferol
1 μg cholecalciferol =40 IU
維生素E當量vitamin E Equivalentd-α-tocopherol：0.67 mg/IU
dl-α-tocopherol：0.45 mg/IU
蛋白質克數×4.kcal/g
脂肪克數×9.kcal/g
grams×7.kcal/g
1 kilocalorie=4.184 kilojoules
1 kilojoule =0.239 kilocalories
菸鹼素當量Niacin EquivalentsNE from tryptophan
=(grams dietary protein-protein RDA) ÷6
視網醇當量Retinol Activity Equivalent1 μg RE
=1 μg retinol
=6 μg β-carotene
=12 μg other carotene
=3.33 IU retinol
=10 IU β-carotene
維生素D當量 vitamin D Equivalent1 IU=0.025 μg cholecalciferol
1 μg cholecalciferol =40 IU
維生素E當量vitamin E Equivalentd-α-tocopherol：0.67 mg/IU
dl-α-tocopherol：0.45 mg/IU
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