Biochemistry I Lecture 6 2009 (J.S.) Eggs 97 Milk 90 Beef 77 Pork 71 Casein 68 Oat flakes 62 Wheat 53 (low in lysine) Beans 46 (low in methionine) Lentils 45 (low in methionine) Gelatine 25 (very low in tryptophan)