Mace contains antimicrobial agents with antifungal and antibacterial activity. - GreenMedInfo Summary
Isolation and characterization of two antimicrobial agents from mace (Myristica fragrans).
J Nat Prod. 1991 May-Jun;54(3):856-9. PMID: 1955885
The two antimicrobial resorcinols malabaricone B  and malabaricone C  were isolated from mace, the dried seed covers of Myristica fragrans. Both compounds exhibited strong antifungal and antibacterial activities. Structure modifications by methylation or reduction resulted in diminished activity.