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The information on this site is from academic and research studies. Applicability to humans must be determined by a licensed medical professional.

Nutrient : Tryptophan

A Zero(0) indicates trace amounts.

Items with less than 5mg/gram are excluded
Food Group Food Scientific Name mg /gram
Spices and Herbs Spices, parsley, dried Petroselinum crispum 0.48
Sweets Cocoa, dry powder, unsweetened 0.29
Legumes and Legume Products Beans, white, mature seeds, raw Phaseolus vulgaris 0.28
Sweets Cocoa, dry powder, unsweetened, processed with alkali 0.27
Legumes and Legume Products Beans, kidney, red, mature seeds, raw Phaseolus vulgaris 0.27
Nut and Seed Products Nuts, cashew nuts, oil roasted, without salt added 0.27
Legumes and Legume Products Beans, black, mature seeds, raw Phaseolus vulgaris 0.26
Nut and Seed Products Nuts, pistachio nuts, raw Pistacia vera 0.25
Legumes and Legume Products Beans, pinto, mature seeds, raw Phaseolus vulgaris 0.24
Peanuts, all types, oil-roasted, with salt 0.23
Lentils, raw Lens culinaris 0.22
Cereal Grains and Pasta Barley, hulled Hordeum vulgare L. 0.21
Nut and Seed Products Nuts, almonds Prunus dulcis 0.21
Legumes and Legume Products Chickpeas (garbanzo beans, bengal gram), mature seeds, raw Cicer arietinum 0.2
Cereal Grains and Pasta Buckwheat Fagopyrum esculentum Moench 0.19
Nut and Seed Products Nuts, hazelnuts or filberts Corylus spp. 0.19
Cereal Grains and Pasta Buckwheat flour, whole-groat 0.18
Buckwheat groats, roasted, dry 0.17
Nut and Seed Products Nuts, walnuts, english Juglans regia 0.17
Vegetables and Vegetable Products Soybeans, green, raw Glycine max 0.16
Nut and Seed Products Nuts, pine nuts, pinyon, dried Pinus edulis 0.15
Vegetables and Vegetable Products Drumstick (horseradish tree) leaves, raw Moringa oleifera 0.14
Nut and Seed Products Nuts, brazilnuts, dried, unblanched Bertholletia excelsa 0.14
Sweets Baking chocolate, unsweetened, squares 0.13
Legumes and Legume Products Tofu, firm, prepared with calcium sulfate and magnesium chloride (nigari) 0.12
Spices and Herbs Thyme, fresh Thymus vulgaris 0.11
Vegetables and Vegetable Products Spinach, frozen, chopped or leaf, unprepared 0.1
Legumes and Legume Products Beans, kidney, red, mature seeds, cooked, boiled, without salt 0.1
Nut and Seed Products Nuts, pecans Carya illinoinensis 0.09
Vegetables and Vegetable Products Lima beans, immature seeds, raw Phaseolus lunatus 0.09
Garlic, raw Allium sativum 0.07
Nut and Seed Products Nuts, macadamia nuts, raw Macadamia integrifolia, M. tetraphylla 0.07
Spices and Herbs Peppermint, fresh Mentha x piperita L. nothosubsp. piperita 0.06
Vegetables and Vegetable Products Broadbeans, immature seeds, raw Vicia faba 0.06
Legumes and Legume Products Beans, kidney, all types, mature seeds, canned 0.06
Broadbeans (fava beans), mature seeds, canned 0.05
Carob flour Ceratonia siliqua 0.05
Vegetables and Vegetable Products Broadbeans, immature seeds, cooked, boiled, drained, without salt 0.05
Broccoli raab, cooked 0.05
Spices and Herbs Rosemary, fresh Rosmarinus officinalis 0.05
Vegetables and Vegetable Products Taro leaves, raw Colocasia esculenta 0.05
Parsley, fresh Petroselinum crispum 0.05
Peas, green, raw Pisum sativum 0.04
Peas, green, frozen, unprepared 0.04
Peas, green, frozen, cooked, boiled, drained, without salt 0.04
Spinach, raw Spinacia oleracea 0.04
Kale, raw Brassica oleracea (Acephala Group) 0.04
Mushrooms, white, raw Agaricus bisporus 0.04
Sweet potato leaves, raw Ipomoea batatas 0.04
Spices and Herbs Basil, fresh Ocimum basilicum 0.04
Vegetables and Vegetable Products Mung beans, mature seeds, sprouted, raw Vigna radiata 0.04
Brussels sprouts, raw Brassica oleracea (Gemmifera Group) 0.04
Chives, raw Allium schoenoprasum 0.04
Dairy and Egg Products Milk, chocolate, fluid, commercial, reduced fat, with added vitamin A and vitamin D 0.04
Vegetables and Vegetable Products Broccoli raab, raw Brassica ruvo 0.04
Broccoli, raw Brassica oleracea var. italica 0.03
Broccoli, cooked, boiled, drained, without salt 0.03
Broccoli, frozen, chopped, unprepared 0.03
Collards, raw Brassica oleracea var. viridis 0.03
Chicory greens, raw Cichorium intybus 0.03
Cowpeas (blackeyes), immature seeds, raw Vigna unguiculata Subsp. Unguiculata 0.03
Yardlong bean, cooked, boiled, drained, without salt 0.03
Brussels sprouts, cooked, boiled, drained, without salt 0.03
Cauliflower, frozen, unprepared 0.03
Amaranth leaves, cooked, boiled, drained, without salt 0.03
Asparagus, raw Asparagus officinalis 0.03
Asparagus, cooked, boiled, drained 0.03
Fruits and Fruit Juices Plums, dried (prunes), uncooked 0.03
Avocados, raw, all commercial varieties Persea americana 0.03
Vegetables and Vegetable Products Sweet potato, raw, unprepared Ipomoea batatas 0.03
Sweet potato, cooked, boiled, without skin 0.03
Taro leaves, cooked, steamed, without salt 0.03
Turnip greens, raw Brassica rapa (Rapifera Group) 0.03
Vinespinach, (basella), raw Basella alba 0.03
Watercress, raw Nasturtium officinale 0.03
Peppers, hot chili, green, raw Capsicum frutescens 0.03
Radicchio, raw Cichorium intybus 0.03
Potatoes, Russet, flesh and skin, baked 0.03
Peas, green (includes baby and lesuer types), canned, drained solids, unprepared 0.03
Peas, edible-podded, raw Pisum sativum 0.03
Cereal Grains and Pasta Rice, white, long-grain, regular, cooked 0.03
Vegetables and Vegetable Products Lotus root, raw Nelumbo nucifera 0.02
Lettuce, red leaf, raw Lactuca sativa var. crispa 0.02
Potatoes, white, flesh and skin, baked 0.02
Potatoes, red, flesh and skin, baked 0.02
Potato, flesh and skin, raw Solanum tuberosum 0.02
Potatoes, white, flesh and skin, raw Solanum tuberosum 0.02
Potatoes, red, flesh and skin, raw Solanum tuberosum 0.02
Mushrooms, canned, drained solids 0.02
Okra, raw Abelmoschus esculentus 0.02
Onions, cooked, boiled, drained, without salt 0.02
Onions, spring or scallions (includes tops and bulb), raw Allium cepa or Allium fistulosum 0.02
Onions, welsh, raw Allium fistulosum 0.02
Beans, snap, yellow, raw Phaseolus vulgaris 0.02
Beans, snap, yellow, cooked, boiled, drained, without salt 0.02
Nut and Seed Products Nuts, chestnuts, european, raw, peeled 0.02
Vegetables and Vegetable Products Taro, raw Colocasia esculenta 0.02
Sweet potato leaves, cooked, steamed, without salt 0.02
Fruits and Fruit Juices Kiwifruit, green, raw Actinidia deliciosa 0.02
Apricots, raw Prunus armeniaca 0.02
Vegetables and Vegetable Products Beans, snap, green, raw Phaseolus vulgaris 0.02
Beans, snap, green, cooked, boiled, drained, without salt 0.02
Cauliflower, frozen, cooked, boiled, drained, without salt 0.02
Cauliflower, raw Brassica oleracea (Botrytis Group) 0.02
Cauliflower, cooked, boiled, drained, without salt 0.02
Chard, swiss, white leaf, raw Beta vulgaris subsp. vulagaris 0.02
Corn, sweet, yellow, raw 0.02
Beans, snap, green, frozen, all styles, unprepared 0.02
Beans, snap, green, frozen, cooked, boiled, drained without salt 0.02
Beets, raw Beta vulgaris 0.02
Cabbage, savoy, raw Brassica oleracea (Capitata Group) 0.02
Cabbage, savoy, cooked, boiled, drained, without salt 0.02
Cabbage, chinese (pak-choi), raw Brassica rapa (Chinensis Group) 0.02
Cabbage, chinese (pak-choi), cooked, boiled, drained, without salt 0.02
Cabbage, chinese (pe-tsai), raw Brassica rapa (Pekinensis Group) 0.01
Carrots, raw Daucus carota 0.01
Carrots, cooked, boiled, drained, without salt 0.01
Carrots, canned, regular pack, drained solids 0.01
Cucumber, with peel, raw Cucumis sativus 0.01
Eggplant, raw Solanum melongena 0.01
Endive, raw Cichorium endivia 0.01
Celery, raw Apium graveolens 0.01
Cabbage, raw Brassica oleracea (Capitata Group) 0.01
Cabbage, cooked, boiled, drained, without salt 0.01
Cabbage, red, raw Brassica oleracea (Capitata Group) 0.01
Cabbage, red, cooked, boiled, drained, without salt 0.01
Beans, snap, green, canned, regular pack, drained solids 0.01
Fruits and Fruit Juices Apricots, canned, water pack, without skin, solids and liquids 0.01
Soursop, raw Annona muricata 0.01
Strawberries, raw Fragaria X ananassa 0.01
Strawberries, frozen, unsweetened 0.01
Watermelon, raw Citrullus lanatus 0.01
Peaches, canned, heavy syrup, drained 0.01
Spices and Herbs Dill weed, fresh Anethum graveolens 0.01
Fruits and Fruit Juices Mangos, raw Mangifera indica 0.01
Melons, honeydew, raw Cucumis melo 0.01
Nectarines, raw Prunus persica var. nucipersica 0.01
Oranges, raw, all commercial varieties Citrus sinensis 0.01
Oranges, raw, navels Citrus sinensis 0.01
Papayas, raw Carica papaya 0.01
Peaches, raw Prunus persica 0.01
Pineapple, raw, all varieties Ananas comosus 0.01
Plums, raw Prunus spp. 0.01
Bananas, raw Musa acuminata Colla 0.01
Cherries, sweet, raw Prunus avium 0.01
Custard-apple, (bullock's-heart), raw Annona reticulata 0.01
Dates, deglet noor Phoenix dactylifera 0.01
Elderberries, raw Sambucus spp. 0.01
Figs, raw Ficus carica 0.01
Grapefruit, raw, pink and red, all areas Citrus paradisi 0.01
Grapefruit, raw, white, all areas Citrus paradisi 0.01
Vegetables and Vegetable Products Squash, summer, zucchini, includes skin, raw 0.01
Squash, summer, zucchini, includes skin, cooked, boiled, drained, without salt 0.01
Taro, cooked, without salt 0.01
Yam, cooked, boiled, drained, or baked, without salt 0.01
Tomatoes, red, ripe, raw, year round average Lycopersicon esculentum 0.01
Tomatoes, red, ripe, cooked 0.01
Tomatoes, red, ripe, canned, packed in tomato juice 0.01
Tomato products, canned, puree, without salt added 0.01
Nut and Seed Products Nuts, coconut water (liquid from coconuts) 0.01
Vegetables and Vegetable Products Peppers, sweet, red, raw 0.01
Juice, tomato, canned, without salt added 0.01
Catsup 0.01
Peppers, sweet, yellow, raw Capsicum annuum 0.01
Carrots, baby, raw Daucus carota 0.01
Tomatoes, yellow, raw Lycopersicon esculentum 0.01
Onions, sweet, raw Allium cepa 0.01
Onions, raw Allium cepa 0.01
Kohlrabi, raw Brassica oleracea (Gongylodes Group) 0.01
Leeks, (bulb and lower leaf-portion), raw Allium ampeloprasum 0.01
Lettuce, butterhead (includes boston and bibb types), raw Lactuca sativa var. capitata 0.01
Lettuce, cos or romaine, raw Lactuca sativa var. logifolia 0.01
Lettuce, iceberg (includes crisphead types), raw Lactuca sativa var. capitata 0.01
Lettuce, green leaf, raw Lactuca sativa var. crispa 0.01
Pumpkin, raw Cucurbita spp. 0.01
Radishes, raw Raphanus sativus 0.01
Sauerkraut, canned, solids and liquids 0.01
Peppers, sweet, green, raw Capsicum annuum 0.01

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