Table 1. Contents of D. farinae Allergen Extracts Commercially Available in Korea.

Product			Protein concentration	Major allergen content
				Der f 1		Der f 2		Sum (Der f 1 & 2)
Manufacture	Lot No.	Licensed use	µg/mL	µg/mL	µg/mg	µg/mL	µg/mg	µg/mL	µg/mg
H, HollisterStier	E1900466	Human	523	3.6	6.9	3.5	6.8	7.1	13.6
L, Lofarma	190702	Human	569	11.0	19.4	6.7	11.8	17.7	31.2
G, Greer	363113	Veterinary	404	5.0	12.4	2.0	5.0	7.1	17.5
P, Prolagen	DF18001	Human	1057	20.3	19.3	28.4	26.9	48.8	46.1
Average			638.3	10.0	14.5	10.2	12.6	20.2	27.1