Food
| Food name | Side stream | Component group | Component | Value | Unit | Description | Reference |
|---|---|---|---|---|---|---|---|
| Sugar cane | Sugar cane tops | Proximates | Tryptophan | 1.3 | % protein | Fresh | Feedipedia |
| Cabbage | Cabbage | Proximates | Tryptophan | 0.44 | mg/g dry matter | Sour | NOSHAN |
| 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 |
| Pears | Pear | Proximates | Tryptophan | 0.03 | mg/g dry matter | Whole | NOSHAN |
| Beef | Rumen content | Proximates | Tryptophan | 1.5 | % protein | Dehydrated | Feedipedia |
| Barley | Malted barley germs | Proximates | Tryptophan | 0.58 | mg/g DM | NOSHAN | |
| Rape | Rapeseed cake | Proximates | Tryptophan | 4.4 | g/kg DM | Double-low. Location: Anhui, China | Determination of the energy content and amino acid digestibility of double-low rapeseed cakes fed to growing pigs |
| Poultry | Feather meal | Proximates | Tryptophan | 0.6 | % protein | Feedipedia |