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Effect of Octanal on the Mycelial Growth of Penicillium Italicum and P. Digitatum

Effect of Octanal on the Mycelial Growth of Penicillium Italicum and P. Digitatum

Nengguo Tao, Lei Jia, Haien Zhou, Xiangli He

World J Microbiol Biotechnol. 2014 Apr;30(4):1169-75.

PMID: 24162951

Abstract:

The present study investigated the antifungal activity of octanal against Penicillium italicum and P. digitatum. Results showed that octanal exhibited strong antifungal activity against the test pathogens in a dose-dependent manner. Scanning electron microscopy observation revealed that octanal obviously altered the morphology of P. italicum and P. digitatum hyphae by causing the loss of cytoplasm and distortion of mycelia. A rapid increase in the membrane permeability of P. italicum and P. digitatum was observed after treated with octanal at minimum inhibitory concentration or minimum fungicidal concentration, evidenced by the release of cell constituents, the extracellular conductivity and the extracellular potential of hydrogen. In addition, octanal apparently induced a decrease in total lipid contents of P. italicum and P. digitatum cells. These results suggested that the antifungal activity of octanal against P. italicum and P. digitatum can be attributed to the disruption of the cell membrane integrity and the leakage of cell components.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP124130	Octanal		124-13-0	Price

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