“…The sterile supernatant, called postbiotic, was used to supplement the culture medium of Caco-2-type tumor cells. Proliferation studies were performed in microplates with 96 wells, using the MTT method [ 50 , 51 , 52 ] on the Caco-2-ATCC-HTB-37tumor cell line. Readings were performed at 24 and 48 h, using a Biobase BK-EL10C plate reader (Solantis, Bucharest Romania), at 492 nm [ 50 , 51 , 52 ].…”