Research Journal of Medicinal Plants1819-34552151-7924Science International10.3923/rjmp.2012.551.573in vitro]]>I. HusseinEmad J. M. KananGhassan M. Al- BataynehKhalid AlhussaenKhalaf Al KhateebWesam QarJanti H. JacobJacob MuhaidatRiyadh I. HegazyMohamed 8201268The post-harvest moulds Penicillium digitatum and Penicillium italicum
are important plant pathogens and spoilage-causing molds especially against
citrus fruits. If not treated, post-harvest moulds can cause enormous economic
losses during storage and marketing. Therefore, more investigations are needed
to examine new antifungal agents against such fungi. In this work, we aimed
to evaluate the antifungal activity of some plant extracts (namely, Harmal seeds
(Peganum harmala L.), cinnamon bark (Cinnamomum cassia L.) and
sticky fleabane leaves (Inula viscosa L.), food preservatives (namely,
sodium benzoate, sodium molybdate, ammonium heptamolybdate tetrahydrate, potassium
carbonate and sodium bicarbonate) and their mixtures, i.e., plant extracts and
food preservatives against P. digitatum and P. italicum. Both
disc agar diffusion method and broth dilution methods was used to evaluate the
antifungal activity of the plant extracts and food preservatives. Results revealed
that methanolic fractions of cinnamons
bark and sticky fleabane leaves showed the highest efficacy. MIC values of 150
and 37.5 μg mL-1 were obtained with cinnamons fraction against
P. italicum and P. digitatum, respectively. Sodium benzoate was
the most effective against tested fungal species. The obtained MIC values against
P. digitatum and P. italicum were 37.5 and 75 μg mL-1,
respectively. Mixtures of tested chemicals showed synergistic effects against
both fungal species. Mixtures of sodium benzoate and fractions of either cinnamon
or sticky fleabane reflected synergistic effects against P. italicum
and antagonistic effects against P. digitatum. Inhibition zones against
P. italicum ranged between 38-57 mm.]]>Abad, M.J., M. Ansuategui and P. Bermejo,20077116145Al-Najar, R.A.,2007Penicillium italicum (blue mould) in Jordan.]]>2007Abu-Zarga, M.H., E.M. Hamed, S.S. Sabri, W. Voelter and K.P. Zeller,1998Inula viscose.]]>61798800Ambrozin, A.R., P.C. Vieira, J.B. Fernandes, M.F. da Silva and S. de Albuquerque,200499227231Bouzerda, L., H. Boubaker, E.H. Boudyach, O. Akhayat and A.A. Bin Aoumar,20031215218Buazzi, M.M. and E.H. Maeth,199270199207Cafarchia, C., N. de Laurentis, M.A. Milillo, V. Losacco and V. Puccini,2002Inula viscosa (Asteraceae) by Apulian region.]]>44153156Cove, D.J., 1966Aspergillus nidulans.]]>1135156Cohen, Y., W. Wang, B.H.B. Daniel and Y. Ben-Daniel,2006Inula viscosa control downy mildew of grapes caused by Plasmopara viticola.]]>96417424Cowan, M.M.,199912564582Delaquis, P.J., K. Stanich, B. Girard and G. Mazza,200274101109Gill, A.O. and R.A. 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