fungi produce a wide range of secondary metabolites such as antibiotics, toxins, alkaloids, fatty acids, ketones and alcohols during active cell growth. the present study was aimed to identify secondary metabolites from some penicillium species, using gc-ms. many important compounds such as 3-oxoquinuclidine in penicillium jenseii, formamidine in penicillium pusillum, orcinol and 1,3,8-p-mentha...

There are well over 500 registered pesticides worldwide for use in agricultural regions and new agrochemicals are introduced to the marketplace continuously. This chapter deals with the chemical analysis methods for the main pesticide chemical classes that are most frequently analyzed with gas chromatography (GC) or liquid chromatography (LC) coupled to mass spectrometry (MS). GC amenable pesti...

background & aim: lamiaceae is one of the most important families of plants with global transmittal. the family is divided to two major groups: lamioideae and nepetoideae. mentha l. genus has high genetic variation because of different ploidy levels and interspecific interspecific hybridization thus that is possible to select genotypes with excelsior traits as essence content. the genus inc...

background & aim:peppermint known for its healing properties is a plant from the labiatae family. currently, different rates of nitrogenous fertilizers are used in production of peppermint while there is no precise information available about how much of nitrogen fertilizer is the optimum rate for this plant. the main purpose of this research was to evaluate the response of peppermint chemical ...

background & aim: the lamiaceae family is one of the largest and most distinctive families of flowering plants, with about 220 genera and almost 4000 species worldwide. the genus stachys is one of the largest representative genera of the lamiaceae family and includes about 300 species, in the subtropical and tropical regions of both hemispheres. in iran this genus is represented by 34 speci...