| Food name | Side stream | Component group | Component | Value | Unit | Description | Reference |
|---|---|---|---|---|---|---|---|
| Orange | Orange pulp, dried | Proximates | Tryptophan | 0.2 | g/kg DM | Citrus by-products as ruminant feeds: A review | |
| Orange | Orange peel | Proximates | Tryptophan | 0.54 | mg/g dry matter | Orange | NOSHAN |