nisin powder in wooden spoon, selective focus. food additive e234, extremely effective against yeast and fungi even at very low

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