Characterization of fatty acid and triacylglycerol composition in animal fats using silver-ion and non-aqueous reversed-phase high-performance liquid chromatography/mass spectrometry and gas chromatography/flame ionization detection

2011 ◽  
Vol 1218 (42) ◽  
pp. 7499-7510 ◽  
Author(s):  
Miroslav Lísa ◽  
Kateřina Netušilová ◽  
Lukáš Franěk ◽  
Hana Dvořáková ◽  
Vladimír Vrkoslav ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
High Performance ◽  
Reversed Phase ◽  
Flame Ionization Detection ◽  
Liquid Chromatography Mass Spectrometry ◽  
Triacylglycerol Composition ◽  
Animal Fats ◽  
Flame Ionization

scholarly journals Volatile Constituents of Three Piper Species from Vietnam

2015 ◽  
Vol 10 (11) ◽  
pp. 1934578X1501001
Author(s):  
Le D. Hieu ◽  
Tran M. Hoi ◽  
Tran D. Thang ◽  
Isiaka A. Ogunwande
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Chemical Compositions ◽  
Flame Ionization Detection ◽  
Volatile Oils ◽  
Benzyl Benzoate ◽  
Volatile Constituents ◽  
Flame Ionization ◽  
Germacrene D ◽  
Leaf Oil

The chemical compositions of the essential oils obtained by hydrodistillation of three Piper plants grown in Vietnam are reported. The analysis was achieved by means of gas chromatography with flame ionization detection (GC-FID) and gas chromatography coupled with mass spectrometry (GC-MS). The main constituents of the leaf oil of Piper majusculum Blume were β-caryophyllene (20.7%), germacrene D (18.6%) and β-elemene (11.3%). The quantitatively significant compounds of the volatile oils of P. harmandii C. DC were sabinene (leaves, 14.5%; stems, 16.2%), benzyl benzoate (leaves, 20.0%; stems, 29.40%) and benzyl salicylate (leaves, 14.1%; stems, 24.3%). Also, α-cadinol (17.0%) was identified in large proportion in the leaf oil. However, sabinene (leaves, 17.9%; stems, 13.5%), benzyl benzoate (leaves, 20.5%; stems, 32.5%) and β-eudesmol (leaves, 13.8%; stems, 8.4%) were the main constituents of P. brevicaule C. DC. This is the first report on the volatile constituents of both P. harmandii and P. brevicaule.

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