Fig. 2. Absorbance at 560 nm after 24 h of incubation
at 37 oC under acid and alkaline conditions (pH ranged
from 2.0 to 9.0) of Lactobacillus strains isolated from
Chiapas cheese (Lactobacillus plantarum, L. pentosus y
L. acidipiscis) and from human origin (L. casei Shirota y
L. plantarum 299v).