Food
| Food name | Side stream | Component group | Component | Value | Unit | Description | Reference |
|---|---|---|---|---|---|---|---|
| Potato | Potato | Proximates | Cystine | 0.9 | % protein | Tuber, raw | Feedipedia |
| Animal by-products, unspecified | Blood meal | Proximates | Cystine | 1.1 | % protein | Chicken | Feedipedia |
| Brewer's yeast/grains, unspecified | Brewer's grains | Proximates | Cystine | 1.8 | % protein | Dehydrated | Feedipedia |
| Sugar beet | Sugar beet root | Proximates | Cystine | 0.7 | % protein | Sugar type, fresh | Feedipedia |
| Fish, unspecified | Fish meal | Proximates | Cystine | 1.2 | % protein | Low protein | Feedipedia |
| Distillers grain | Distillers grains and solubles, dried | Proximates | Cystine | 2 | % protein | Maize, dried | Feedipedia |
| Sugar beet | Sugar beet pulp, dried | Proximates | Cystine | 1.4 | % protein | Dehydrated | Feedipedia |
| Rice | Rice bran | Proximates | Cystine | 1.1 | % protein | Fibre <4% | Feedipedia |
| Algae | Spiruline | Proximates | Cystine | 0.9 | % protein | Dried, Arthrospira spp. | Feedipedia |
| Wheat | Wheat bran | Proximates | Cystine | 2.1 | % protein | Feedipedia |