[Assessment of the CromoCen ENT chromogenic medium for clinical diagnosis of Enterococcus species].

Introduction: The frequent incidence of Enterococci at hospitals and their growing antimicrobial resistance worldwide make the in-hospital surveillance and control a pressing need; consequently, it is indispensable to avail of more sensitive and accurate diagnostic means.

Objective: To broaden the evaluation of functionality of CromoCen ENT chromogenic medium for the isolation and identification of Enterococcus spp. from clinical samples.

[Characterization of soy peptone for the culture of microorganisms].

A soy peptone obtained with enzyme papain as a hydrolyzing agent was characterized. The physicochemical evaluation of the nutritive base attained at pilot and industrial scale showed the following characteristics: loss due to desiccation, 1.93%; aminic nitrogen, 1.