Value Per Nutrient Food 0.01 g 100 grams Tryptophan Onions, frozen, chopped, cooked, boiled, drained, with salt 0.01 g 100 grams Tryptophan Apricots, canned, juice pack, with skin, solids and liquids 0.01 g 100 grams Tryptophan Grapes, red or green (European type, such as Thompson seedless), raw 0.01 g 100 grams Tryptophan Tomato products, canned, puree, without salt added 0.01 g 100 grams Tryptophan Babyfood, vegetables, carrots, strained 0.01 g 100 grams Tryptophan Peppers, sweet, red, frozen, chopped, cooked, boiled, drained, with salt 0.01 g 100 grams Tryptophan Cream substitute, flavored, liquid 0.01 g 100 grams Tryptophan Carrots, cooked, boiled, drained, without salt