Natural antimicrobials as additives and ingredients for the preservation of foods and beverages - Natural Food Additives, Ingredients and Flavourings - page 129

Fig. 6.1 Structure of nisin A. ABU = aminobutyric acid; DHA = dehydroalanine; DHB = dehydrobutyrine ( β -methyldehydroalanine);
ALA-S-ALA = lanthionine; ABA-S-ALA = β -methyllanthionine.