Tryptophan Content of Foods
(Initial O)
20 mg
(per 10 g edible portion)
Oats (oatmeal, raw)
21 mg
(per 25 g edible portion)
Okara (modern product)
18 mg
(per 25 g edible portion)
Okara (traditional product)
7 mg
(per 30 g edible portion)
Okra (pods, raw)
37 mg
(per 100 g edible portion)
Onigiri
21 mg
(per 200 g edible portion)
Onion (bulb, raw)
12 mg
(per 20 g edible portion)
Oyster (cultured, raw)