102 VITAMINS A AND CAROTENES 



TABLE XVII 3 

 Occurrence of Provitamins A in Food 



Vegetable I.U./IOO g. 



Tomato squash 1,000 



Chervil 10,000 



Fresh leek leaves 6,650 



Cabbage turnip leaves 10,000 



Cauliflower leaves 13,000 



Cauliflower 



Rapeseed oil 650 



Maize oil 400 



Olive oil 160 



Palm oil, yellow 1,000 



Palm oil, red 2,000 

 See also carotene content of certain vegetables. ^^"''^ 



Occurrence of Vitamin A^ 



Liver oils of I.U./g- 



Fresh-water perch ■ 8,000 



Chicken (normally fed) 20,000 



Goose (normally fed) 14,000 



Horned toad (Lacerta ocellata) 56,000 



Basilisk {Basiliscus americanus) 120,000 



Stereolepis gigas 600,000 



Halibut 100,000 



Codfish 600 



Sea eel 4,200 



Salmon 5,000 



Turbot 5,000 



Mackerel 130,000 



Tunny 120,000 



Swordfish 200,000 



Heart 1.4 



Kidney 2.7 



Brain 0.5 



Liver 156 



Lung 1 . 2 



Stomach 1.3 



Skin 1.2 



Spleen 1.0 



Skeletal muscle 0.5 



Kidney capsule 6.0 



Serum 5-10 



