Table 9. Known food allergens from berries listed by the WHO/IUIS allergen database (www.allergen.org, January 2026).

Source	Allergen	MW (kDa)	Functional category
Fragaria ananassa (Strawberry)	Fra a 1b	18	Pathogenesis-related protein, PR-10, Bet v 1 family member
	Fra a 3b	9	Non-specific lipid transfer protein type 1 (nsLTP1)
	Fra a 4	13	Profilin
Morus nigra (Black mulberry)	Mor n 3	10	Non-specific lipid transfer protein type 1 (nsLTP1)
Rubus idaeus (Red raspberry)	Rub i 1	17	Pathogenesis-related protein, PR-10, Bet v 1 family member
	Rub i 3	11	Non-specific lipid transfer protein 1 (nsLTP1)

IgE diagnostics available from ^bDr Fooke (Neuss, Germany).