penicilloic acid

pen·i·cil·lo·ic ac·id

(pen'i-si-lō'ik as'id),
Alkali and bacterial degradation product of a penicillin, resulting from hydrolysis of the 1,7 bond.
Farlex Partner Medical Dictionary © Farlex 2012
References in periodicals archive ?
[beta]-lactamase causes the [beta]-lactam ring to open with production of penicilloic acid, which reacts with iodine, making it unavailable to react with starch.