Food
| Food name | Side stream | Component group | Component | Value | Unit | Description | Reference |
|---|---|---|---|---|---|---|---|
| Citrus, unspecified | Citrus pulp, dried | Proximates | Tryptophan | 1 | % protein | Feedipedia | |
| Cheese | Cheese | Proximates | Tryptophan | 0.25 | mg/g dry matter | Soft and hard | NOSHAN |
| Soy | Soybean meal | Proximates | Tryptophan | 1.4 | % protein | High oil (expeller) | Feedipedia |
| Pumpkin | Pumpkin oil meal | Proximates | Tryptophan | 0.2 | % protein | Solvent extraction, Cucurbita sp. | Feedipedia |
| Sunflower | Sunflower screenings | Proximates | Tryptophan | 1.1 | % protein | Feedipedia | |
| Hop | Hops | Proximates | Tryptophan | 0.37 | mg/g dry matter | NOSHAN | |
| Canola | Canola meal | Proximates | Tryptophan | 1.2 | % protein | Oil <5% as fed | Feedipedia |
| Onion | Onion | Proximates | Tryptophan | 0.05 | mg/g dry matter | Slices, fresh | NOSHAN |
| Fish, unspecified | Fish solubles, dried | Proximates | Tryptophan | 0.3 | % protein | Dehydrated | Feedipedia |
| Citrus, unspecified | Citrus pulp, dried | Proximates | Tryptophan | 0.7 | g/kg DM | Citrus by-products as ruminant feeds: A review |