Stachys L. one of the biggest genus of the Lamiaceae family comprises about 200-300 species.  In this research, aerial parts essential oil composition and content of Stachys lavandulifolia Vahl (Lamiaceae)at different stages (vegetative, full flowering and initial fruiting stages) is reported. The oils obtained by water distillation method (Clevenger apparatus) and analyzed by GC and GC/MS. The...

Essential oils from fresh leaves, flowers and dried fruits of Vitex negundo were obtained by hydrodistillation. Using Soxhlet extractor five successive extracts from dried and powdered leaves were also taken. The chemical constituents of essential oil of leaves, flowers and dried fruits were analyzed by GC-FID and GC/MS techniques. Main constituents identified in leaves oil were delta-guaiene, ...

The effects of rootstock on the volatile flavour components of page mandarin juice and peel were investigated in this study. Juice flavour components were extracted by using Poly dimethyl silaxane  membranes( PDMS ) and eluted by pentane dichloromethane and then analyzed by GC-FID and GC-MS. Peel flavour compone...

the effects of rootstock on the volatile flavour components of page mandarin juice and peel were investigated in this study. juice flavour components were extracted by using poly dimethyl silaxane  membranes( pdms ) and eluted by pentane dichloromethane and then analyzed by gc-fid and gc-ms. peel flavour components were extracted by using cold-press and eluted by using n-hexane and then analyze...