Table 1.
By-products and their geographical origin.
| By-Product | ID—Abbreviation | Location * |
|---|---|---|
| Sugar beet pulp (dehydrated) | SBPd | León |
| Ensiled sugar beet pulp | SBPs | León |
| Sugar beet tops and leaves | SBT | León |
| Sugar beet rootlets, hairs, root tips and beet tails | SBR | León |
| Grape seeds | GPS | La Rioja |
| Olive tree leaves | OLV | Murcia |
| Almond hulls | ALH | Murcia |
| Broccoli stalk hay | BRH | Murcia |
| Lettuce leaves | LTL | Murcia |
| Asparagus rinds1 | ASP1 | Navarra |
| Asparagus rinds2 | ASP2 | La Rioja |
| Green bean haulms | GBH | La Rioja |
| Mixture green bean haulms + sugar beet pulp | GBB | La Rioja |
| Artichoke by-products (ensiled) | ARTs | Murcia |
| Artichoke by-products (hay) | ARTd | Murcia |
| Pea haulms | PHL | La Rioja |
| Broad bean haulms | BBH | La Rioja |
| Dried tomato pulp | TMP | Aragón |
| Pepper by-products (cores) | PPC | Aragón |
| Pepper by-products (skins) | PPS | Aragón |
| Apple pomace | APL | Aragón |
| Apple and pear pomace | APP | Aragón |
| Citrus pulp (clementine) | CPC | Murcia |
| Citrus pulp (lemon) | CPL | Murcia |
| Citrus pulp (orange)1 | CPO1 | Murcia |
| Citrus pulp (orange)2 | CPO2 | Aragón |
* Geographic coordinates (latitude and longitude) for each location: León 42° 36′ N 5° 34′ W; La Rioja 42° 28′ N 2° 26′ W; Navarra 42° 36′ N 1° 50′ W; Aragón 41° 23′ N 0° 46′ W; Murcia 37° 59′ N 1° 8′ W.