Marjoram has anti-fungal and anti-bacterial activity, with especially high toxicity against Aspergillus niger. - GreenMedInfo Summary
Antimicrobial activity of methanol extract of Origanum majorana L. (Sweet marjoram).
J Environ Biol. 2007 Jan;28(1):145-6. PMID: 17718003
Genetics and Plant Breeding Division, Department of Botany, University of Calicut-673 635, India.
In-vitro microbicidal activity of the methanol extract of Origanum majorana L. was tested against seven fungi (Fusarium solani, Candida albicans, Aspergillus niger, A. parasiticus, Rhizopus oryzae, Rhizoctonia otyzae-sativae and Altemaria brassicicola) and six bacteria (Bacillus subtilis, B. megaterium, Escherichia coil, Proteus vulgaris, Pseudomonas aeruginosa and Staphylococcus aureus). The methanol extract of O. majorana can be used as an effective herbal protectant against different pathogenic bacteria and fungi. High toxicity against the growth of Aspergillus niger was diagnosed.
