Background and objectives: The genus Johrenia belongs to Umbelliferae family and contains five species that are endemic to Iran. Johrenia paucijuga grows widely in the north-west, west and center of Iran. So far, there has been no research about phytochemistry of J. paucijuga. In the present study, phytochemicals of the plants have been isolated and their structures h...

background and objectives: the genus johrenia belongs to umbelliferae family and contains five species that are endemic to iran. johrenia paucijuga grows widely in the north-west, west and center of iran. so far, there has been no research about phytochemistry of j. paucijuga. in the present study, phytochemicals of the plants have been isolated and their structures have been elucidated. method...

Various types of periodic patterns in nucleotide sequences are known to be very abundant in a genomic DNA sequence, and to play important biological roles such as gene expression, genome structural stabilization, and recombination. We present a new method, named "STEPSTONE", to find a specific periodic pattern of repeat sequence, inter-spread repeat, in which the tandem repeats of the conserved...

The objective of this work was to study the influence palm oil on VOCs emitted during heat treatment Afromosia (Pericopsis Elata Van Meeuwen) and Newtonia (Newtonia paucijuga Harms) wood by comparing under air. Two batches Afrormosia samples were heated air at temperatures 160 °C, 180 200 °C for 2 h. Then, collected Solid Phase Micro Extraction (SPME) measured using a Gas Chromatograph Mass Spe...

Using thin-layer chromatography (TLC) bioautography, a total of 58 extracts from various organs (aerial parts, leaves, flowers, fruits, roots) of 16 Turkish plants were tested for their antibacterial, antifungal, acetylcholinesterase inhibitory, antioxidant, and radical scavenging activities. The hexane, CHCl3/CH2Cl2, water, and total MeOH extracts were used. No activity was observed against tw...