The aim of this study was to screen 15 essential oils of selected plant species, viz. Lavandula angustifolia, Carum carvi, Pinus mungo var. pulmilio, Mentha piperita, Chamomilla recutita L., Pinus sylvestris, Satureia hortensis L., Origanum vulgare L., Pimpinella anisum, Rosmarinus officinalis L., Salvia officinalis L., Abietis albia etheroleum, Chamomilla recutita L. Rausch, Thymus vulgaris L....

The present research was designed to evaluate the protective effect of crude alkaloid extract Matricaria chamomilla L. (MC) against pentylenetetrazole (PTZ) induced convulsions in chicks. A total seventy-two chicks were randomly divided into six groups each one consisting 12 first group considered be a negative that received subcutaneous injection normal saline, second (positive control) PTZ (9...

Diazotrophs provide the only biological source of fixed atmospheric nitrogen in the biosphere. Although they are the key player for plant-available nitrogen, less is known about their diversity and potential importance in arid ecosystems. We investigated the nitrogenase gene diversity in native and agricultural desert soil as well as within root-associated microbiota of medicinal plants grown i...