Charteris et al. (1998) reported that a level of survival higher
than 30% would be considered intrinsically tolerant to gastric
transit when using simulated gastric and pancreatic juices.
Although the results presented here are based on resistance to bile
extracts, this value could be considered to classify the Lactobacillus
strains, tested for the different gastrointestinal conditions, as being
as tolerant or not tolerant. Following this premise, most of the
strains grown in the different carbohydrates used could be
considered as bile tolerant, with the exception of LC using glucose
and lactulose. Similarly, Fernandez et al. (2003) and Koll et al.
(2010) reported tolerance to bile salts at 0.15 and 2% w/v, respectively,
of different Lactobacillus strains grown in MRS agar