Table 5. Known food allergens from oilseed crops listed by the WHO/IUIS allergen database (www.allergen.org, January 2026).
| Source | Allergen | MW (kDa) | Functional category |
|---|---|---|---|
| Brassica juncea (Indian or oriental mustard) | Bra j 1 | 14 | 2S albumin |
| Brassica napus (Rapeseed) | Bra n 1 | 15 | 2S albumin, napin BnIII, napin-3 |
| Brassica rapa (Field mustard, turnip) | Bra r 1 | 10 – 14 | 2S albumin, napins |
| Bra r 2 | 25 | Prohevein homologue | |
| Helianthus annuus (Sunflower) | Hel a 2 | 14.7 | Profilin |
| Hel a 3 | 9 | Non-specific lipid transfer protein type 1 (nsLTP1) | |
| Hel a 15 | 14 | 2S albumin | |
| Hel a 16 | 15 | 2S albumin | |
| Hel a 17 | 10 | 2S albumin | |
| Linum usitatissimum (Flaxseed) | Lin u 1 | 10 – 13 | 2S albumin, conlinin |
| Papaver somniferum (Opium poppy) | Pap s 1 | 10 – 50 | Vicilin (7S globulin) with N-terminal α-hairpinin peptides |
| Pap s 2 | 52 | Legumin (11S globulin) | |
| Pap s 3 | 10 | Late embryogenesis abundant protein 5 (LEA-5); small hydrophilic seed protein | |
| Ricinus communis (Castor bean) | Ric c 1 | 11 | 2S albumin |
| Sesamum indicum (Sesame) | Ses i 1a | 9 | 2S albumin |
| Ses i 2 | 7 | 2S albumin | |
| Ses i 3 | 45 | 7S vicilin-like globulin | |
| Ses i 4 | 17 | Oleosin | |
| Ses i 5 | 15 | Oleosin | |
| Ses i 6 | 52 | 11S globulin | |
| Ses i 7 | 57 | 11S globulin | |
| Sinapis alba (Yellow mustard) | Sin a 1 | 14 | 2S albumin |
| Sin a 2 | 51 | 11S globulin, legumin-like | |
| Sin a 3 | 12.3 | Non-specific lipid transfer protein type 1 (nsLTP1) | |
| Sin a 4 | 13 – 14 | Profilin |
IgE diagnostics available from aThermo Fisher Scientific (Uppsala, Sweden).