pile of nisin powder on blue surface, selective focus. food additive e234, extremely effective against yeast and fungi even at

nisin antibiotic powder lantibiotics polycyclic antibacterial peptide food additive e234 lactococcus lactis natural preservative antimicrobial didehydroaminobutyric acid amino dextrose chemical white synthes soluble additives industry natamycin bacteriocin bacteria pathogen medicine product resistance veterinary compound blue heap pile surface selective focus extremely effective yeast fungi low dosages focus dosages