Soil samples were collected from three sites (Wadi-El-Natrun, Kafr- El-sheekh and
Mallahat road) located in Cairo- Alexandria agriculture road, Egypt. Th
e total fungal
counts allover the road was 755 colonies, constituting ten fungal species (
avus, Aspergillus nidulans, Aspergillus niger, Aspergillus terreus,
Fusarium moniliforme, Penicillium chrysogenum, Penicillium purpurogenum, Phoma
e most potent fungal species producing pigments
along the road were
A. nidulans, F. moniliforme, P. purpurogenum
Comparative sensitivity to diff
erent light wave lengths and radiation (laser, gamma
and ultraviolet rays) on growth and pigment production in the four selected fungal
species was estimated. Optimization of physical and nutritional factors on growth and
pigment production was carried out. A steady increase in the antioxidant activities was
showed in all four tested pigments producing species with raising the phenol contents.
e extracellular pigment of
was found to be more eff
some pathogenic microbes and has a potential role in pharmaceutical drug industry.
cation of the structure of
detected using UV and IR spectra, and indicated that it is an phenolic compound
broad stretching OH, C=C and C-H groups of the aromatic ring.
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