The major antigenic determinant of penicillin. It is used in skin testing for penicillin sensitivity.Synonym: benzylpenicilloyl polylysine
When it is injected intradermally into a sensitive person, an allergic reaction occurs within 20 min. Tested patients should be monitored for wheals, hives, angioedema, or anaphylaxis.
prepared from polylysine and a penicillic acid, it is used as a diagnostic agent; intradermal reaction elicits a wheal and erythema response in those sensitive to penicillin.