Medium for counting and cultivating heterofermentative lactic acid bacteria.
APT Agar is used for the cultivation of heterofermentative lactobacilli that produce greening of cured meat products and that can elaborate H2O2 during the growth in aerobic conditions. These media are also used for the conservation and preparation of the Weissella viridescens ATCC 12706 strain, which is the test organism in the microbiological assay of thiamine according to the method described by Deibel et al. A.P.H.A. recommends the use of APT AGAR for the detection of lactobacilli in foodstuffs.