LAB strains (44) were isolated, identified and characterized from QG and QSS.
This is the first report of LAB from quinoa that produces vitamin B2 and B9.
This is the first work of LAB from quinoa able to produce phytase.
L. rhamnosus CRL 1963 would be a good candidate for quinoa sourdough starter cultures.
This study increased the knowledge of LAB microbiota from quinoa flours.