TABLE 1.

Total vancomycin-resistant Lactobacillus count in the feces of four healthy volunteers fed with L. paracasei IMPC2.1-containing artichokes and recovery of the strain identified by REP-PCR

Day of samplinga	Subject no.	Lactobacillus spp. (CFU/g of feces [wet wt])b	No. of L. paracasei IMPC2.1 colonies/no. of colonies analyzed	L. paracasei IMPC2.1 (CFU/g of feces [wet wt])c
0	1	1.0 × 105	0/10	0
	2	8.9 × 105	0/10	0
	3	2.7 × 107	0/20	0
	4	1.2 × 106	0/20	0
10	1	1.7 × 107	11/18	1.1 × 107
	2	1.2 × 107	4/20	2.5 × 105
	3	1.0 × 1010	15/15	1.0 × 1010
	4	5.1 × 107	8/15	5.1 × 107

^aDay 0, before consumption; day 10, end of consumption. The daily dose (total CFU) was 3.1 × 10¹⁰ CFU.

^bVancomycin-resistant lactobacilli.

^cCounts were confirmed by REP-PCR.