The chemical composition of the essential oil from the whole plant of Acalypha segetalis Muell. Arg. was analyzed by GC and GC/MS. Nineteen volatile constituents were identified. The main compounds were alpha-pinene (8.5%), neophytadiene, isomer II (14.7%) and neophytadiene, isomer III (33.6%). Toxicity and larvicidal assays revealed that the plant had LC50 values of 14.0 microg/mL and 45.4 mic...

the volatile oil obtained by hydrodistillation of the aerial parts of matricaria chamomilla l. (asteraceae) growing in botanical garden, isfahan university of medical sciences, iran, was investigated by gas chromatography (gc) and gc/ mass spectrometery (ms). sixty-three components were characterized, representing 86.21% of the total oil components detected. α-bisabolol oxide a (25.01%) and a-b...

       Volatile constituents of the seed kernel and leaf of cultivated Moringa peregrina (Forssk.) Fiori, Agricolt collected after hydrolysis were analyzed by GC and GC/MS. Five glucosinolate degradation products which constituted almost the whole isolated oil of the seed kernel were identified to be: isobutyl isothiocyanate (94.0%), isopropyl isothiocyanate (4.9%), sec-butyl isothiocy...

Pterospartum tridentatum and Mentha pulegium are largely used in Portuguese folk medicine to treat several human disorders and inflammatory processes but without any consistent evidence for those beneficial pointed properties. Thus, the aim of the current work is to evaluate its benefits and phytochemicals related to those beneficial properties. A distinct polyphenol profile between P. tridenta...

The chemical composition of volatile oil obtained from aerial parts of Pavonia odorata were investigated using gas chromatography-mass spectrometry (GC-MS). Its aroma-active compounds were identified using gas chromatography-olfactometry (GC-O) and aroma extraction dilution analysis (AEDA). In order to determine the relative contribution of each compound to the aroma of P. odorata, relative fla...

Hydro-distilled volatile oils from the flowers and leaves of Eupatorium cannabinum L. which gathered in Touchal on Mountain Alborz (Tehran province) in Iran were investigated mainly by a combination of GC and GC/MS. Thirty-nine components were identified in the oils. The main constituents of the essential oils in flowers and leaves were germacrene D (27.3%, 37.1%), gemacrene B (12.4%, 11.7%) an...

The chemical composition of essential oil and volatile obtained from the roots of Jatropha ribifolia (Pohl) Baill was performed in this work. The Clevenger extractor was utilized in hydrodistillation of oil and chemical composition determined by gas chromatography coupled with mass spectrometry detector (GC-MS). The identification of compounds was confirmed by retention index (Kovats index) obt...

Hydro-distilled volatile oils from the flowers and leaves of Eupatorium cannabinum L. which gathered in Touchal on Mountain Alborz (Tehran province) in Iran were investigated mainly by a combination of GC and GC/MS. Thirty-nine components were identified in the oils. The main constituents of the essential oils in flowers and leaves were germacrene D (27.3%, 37.1%), gemacrene B (12.4%, 11.7%) an...

hydro-distilled volatile oils from the flowers and leaves of eupatorium cannabinum l. which gathered in touchal on mountain alborz (tehran province) in iran were investigated mainly by a combination of gc and gc/ms. thirty-nine components were identified in the oils. the main constituents of the essential oils in flowers and leaves were germacrene d (27.3%, 37.1%), gemacrene b (12.4%, 11.7%) an...