Composition #4: Weerakkody, Nimsha S., Caffin, Nola., Lambert, Lynette K., Turner, Mark S., Dykes, Gary A. Synergistic antimicrobial activity of galangal (Alpinia galanga), rosemary (Rosmarinus officinalis) and lemon iron bark (Eucalyptus staigerana) extracts . journal of the science of food and agriculture, 2011, vol. 91, no. 3, p. 461–468. DOI: 10.1002/jsfa.4206.
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