Abstract
Dadiah is a fermented food made from buffalo milk containing lactic acid bacteria (LAB), the potential of LAB as an antimicrobial is expected to be able to inhibit or kill pathogens, especially those that cause inflammation in the skin. Dadiah used was taken in the Lintau area of Tanah Datar District, West Sumatra Indonesia. BAL isolation and identification used MRS Broth (MERCR) and MRS Agar (MERCK) media and pathogenic bacteria used by Staphylococcus aureus, Propionibacterium acnes, Acinetobacter Baumannii, Klebsiella pneumonia, and Pseudomonas aeruginosa. The results of this study obtained a total LAB of this study 7x1011 CFU / g and had the highest antimicrobial activity in the Staphylococcus aureus 14.53 mm and 13.18 mm bacteria in the Pseudomonas aeruginosa test bacteria.