ULTRA-STRUCTURAL STUDIES ON THE MIDGUT OF CULEX PIPIENS
SHAIMAA MAHMOUD FARAG; Mohamed Adel Hussein Tawfik; SORIYA;
Abstract
The peel powder of Punica granatum, extracted with petroleum ether, was proved to have potential
toxicological effects against third instar larvae of Culex pipiens. The median lethal dose (LC50) value
was found to be 95.6632 ppm. Qualitative phytochemical screening of pomegranate peel extract was
assessed by standard methods. The phytochemical constituents present in petroleum ether extract of
Punica granatum peel were phenols and Saponins. The mid gut of the treated larvae was investigated
histopathologically and ultra-structurally. The tested extract induced a severe damage to the larval
midgut epithelial cells; showing swollen, lysed and displayed clear destruction in the peritrophic
membrane and brush border. Also, several changes in cell organelles including destruction of the cell
membrane, microvilli, mitochondria, nuclei and cytolysis of gut epithelial cells was observed
toxicological effects against third instar larvae of Culex pipiens. The median lethal dose (LC50) value
was found to be 95.6632 ppm. Qualitative phytochemical screening of pomegranate peel extract was
assessed by standard methods. The phytochemical constituents present in petroleum ether extract of
Punica granatum peel were phenols and Saponins. The mid gut of the treated larvae was investigated
histopathologically and ultra-structurally. The tested extract induced a severe damage to the larval
midgut epithelial cells; showing swollen, lysed and displayed clear destruction in the peritrophic
membrane and brush border. Also, several changes in cell organelles including destruction of the cell
membrane, microvilli, mitochondria, nuclei and cytolysis of gut epithelial cells was observed
Other data
| Title | ULTRA-STRUCTURAL STUDIES ON THE MIDGUT OF CULEX PIPIENS | Authors | SHAIMAA MAHMOUD FARAG ; Mohamed Adel Hussein Tawfik ; SORIYA | Keywords | : Culex pipiens, Punica granatum, larvicidal, Pomegranate peel, Midgut epithelium, Histopathology | Issue Date | 1-Apr-2018 | Source | hppt://www.parasitology.eg.net/new | Journal | Journal of the Egyptian Society of Parasitology, Vol.48, No.1, April 2018 | Series/Report no. | 77-84;77-84 | Conference | no | Description | article |
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