ABSTRACT An essential factor for the formation of a native orchid seed bank is identification viability stored seeds. This study aimed to determine methodology optimizing tetrazolium test, in seeds two Orchidaceae medicinal species Brazilian Savanna. Seeds Miltonia flavescens Lindl. and Schomburgkia crispa were submitted three pre-conditioning conditions: no soaking (control), sucrose solution ...

Background: The alkylating agent busulfan adversely affects spermatogenesis in mammals and Impairment of spermatogenesis has been identified as an inevitable side effect of cancer treatment druges then the aim of this study was to investigate the possible protective effects of Grape seed extract with potent antioxidant activity, on busulfan-treated adult male mice. Materials and Methods: In thi...