Table II.

Characteristics of mustard allergens

Allergen	Properties	Cross-reactivity	References
Sin a 1 (2S albumin seed storage proteins)	14 kDa, – major allergen – diagnostic marker – has eight isoforms – stable after heating – resistant to gastric digestion		[10, 11]
Sin a 2 (11S globulin)	51 Da IgE-cross reactivity	Pru du 6, Cor a 9, Ara h 3, Jug r 4, Pis v 2, glycinins G1-G2, Ber e 2, Ana o 2, Ses i 6, Car i 4	[10–12]
Sin a 3 (nonspecific lipid transfer protein, LTP)	12 kDa – resistant to gastric digestion	Peach, melon, Artemisia vulgaris	[10, 12]
Sin a 4 (profilin)	13–14 kDa	Peach, melon	[12]