Table 2.

Predicted tryptophan metabolites of lactic acid bacteria at the species level.

Species	No. of Strains	Proportion of strains in the species that could produce the following metabolites (%)
		IPYA	ILA	IA	IPA	IAM	TA	IAAld	IAA
L. acidophilus	8	100	100	0	0	12.5	0	0	12.5
L. crispatus	14	100	100	0	0	100	0	0	100
L. curvatus	4	0	0	0	0	0	0	0	0
L. fermentum	11	100	100	0	0	0	0	100	100
L. gasseri	8	100	100	0	0	0	0	0	0
L. helveticus	9	100	100	0	0	88.9	0	0	88.9
L. mucosae	15	100	100	0	0	13.3	0	100	100
L. paracasei	10	100	100	0	0	40	0	100	100
L. plantarum	10	100	100	0	0	80	0	100	100
L. reuteri	30	100	100	0	0	6.7	0	100	100
L. rhamnosus	9	100	100	0	0	0	0	100	100
L. salivarius	12	100	100	0	0	66.7	0	100	100
L. pentosus	8	100	100	0	0	100	0	100	100