NDLI: GC-MS Analysis, Free-Radical-Scavenging and Insecticidal Activities of Essential Oil of Scrophularia oxysepala Boiss.

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GC-MS Analysis, Free-Radical-Scavenging and Insecticidal Activities of Essential Oil of Scrophularia oxysepala Boiss.

Content Provider	Semantic Scholar
Author	Pasdaran, Ardalan Nahar, Lutfun Asnaashari, Solmaz Sarker, Satyajit Dey Delazar, Abbas
Copyright Year	2013
Abstract	Scrophularia oxysepala Boiss. is endemic to western and central regions of Iran, and belongs to the genus Scrophularia (family: Scrophulariaceae), which has long been used in traditional medicines. In the present work, chemical composition of the essential oil of the aerial parts of this species was analyzed. Methods: The air-dried ground aerial parts of S. oxysepala were subjected to hydro-distillation. The resulting oil was analyzed, for the first time, by the gas chromatography/mass spectrometry (GC-MS) and gas chromatography/flame ionization detection (GC-FID). Free-radical-scavenging activity of the essential oil was determined by the DPPH assay. Adults of Oryzeaphilus mercator were used for contact toxicity insecticidal assay. Results: A total yield of 0.1 ml of essential oil per 100 g of plant dry mass was obtained, and 15 compounds were identified, representing 91.2% of total oil. The essential oil was characterized by a high content of aromatic compounds and phytol. The main constituents were phytol (25.3%), methyl benzyl alcohol (9.3%), dehydrodieugenol (6.7%), methyl benzaldehyde (5.3%) and eugenol (1.3%). The low level of free-radical-scavenging activity of the essential oil was demonstrated by the RC50 value of 1.852mg/ml, and the insecticidal activity was also found to be low. Conclusion: The insecticidal activity of this essential oil was not remarkable, but was time and concentration-dependent. The low free-radical-scavenging activity was probably due to its low percentage of phenolic compounds
Starting Page	1
Ending Page	5
Page Count	5
File Format	PDF HTM / HTML
Volume Number	19
Alternate Webpage(s)	https://journals.tbzmed.ac.ir/PHARM/Manuscript/PHARM-19-1.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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