Table 1.

Results of three quantitative endotoxin tests by laboratory 1

Products for oral use	Content	Endotoxin by LAL (EU/mL)	Endotoxin by MAT (EEU/mL)a	Endotoxin by rFC (EU/mL)
Product 1, batch 1	Viable Ent. faecalis DSM 16440	<200	<100	<100
Product 1, batch 2		<200	<100	<100
Product 2, batch 1	Viable E. coli DSM 17252	1750	>4000	1371
Product 2, batch 2		928	>4000	903
Product 3, batch 1	Lysed Ent. faecalis DSM 16440	51	147.8 ± 426.2	1.2
Product 3, batch 2	plus E. coli DSM 17252	33	105.1 ± 4.9	0.9
Product 3, batch 3		n.d.	61.7 ± 6.6	n.d.
Product 4	Lysed E. coli Laves	<1.00b	<1.00b	<0.5b
Product 5	Viable E. coli DSM 6601	397,000	<100,000	73,400
Product 6	E. coli extract ATCC 25922	<100,000	165	<5,000
Product 7	E. coli extract ENR 2176116	<100,000	92	<5,000

^aEEU: endotoxin equivalent units. The samples were diluted up to 4000 times in endotoxin-free water prior to testing with a dilution factor determined by pilot experiments.

^bBelow the detection limit of the method.