scholarly journals Rapid Quantification of Major Volatile Metabolites in Fermented Food and Beverages Using Gas Chromatography-Mass Spectrometry

Metabolites ◽  
2017 ◽  
Vol 7 (3) ◽  
pp. 37 ◽  
Author(s):  
Farhana Pinu ◽  
Silas G. Villas-boas
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Fermented Food ◽  
Gas Chromatography Mass Spectrometry ◽  
Volatile Metabolites ◽  
Food And Beverages ◽  
Chromatography Mass Spectrometry ◽  
Rapid Quantification

Identification of Volatile Metabolites Produced by Blue-Green Algae

1988 ◽  
Vol 20 (8-9) ◽  
pp. 149-155 ◽  
Author(s):  
Y. Tsuchiya ◽  
A. Matsumoto
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Green Algae ◽  
Aliphatic Hydrocarbons ◽  
Gas Chromatography Mass Spectrometry ◽  
Blue Green Algae ◽  
Volatile Metabolites ◽  
Chromatography Mass Spectrometry ◽  
Sesquiterpene Hydrocarbons ◽  
Germacrene D

Some of the volatile metabolites of eight species of blue-green algae of the genera Oscillatoria, Phormidium, Aphanizomenon, and Anabaena were identified by gas chromatography mass spectrometry (GC-MS). As a result, five sesquiterpene alcohols (C15H26O) and two sesquiterpene hydrocarbons (germacrene-D and γ-cadi-nene) were detected in the cultures of Oscillatoriasplendida. O. amoena, and Anabaenamacrospora. Three aliphatic hydrocarbons (n-heptadecane,1-heptadecene and 7-methylheptadecane) were also identified in the cultures of most of these algae. None of these compounds appeared to impart an unpleasant taste or odor to water supplies.

Profile of volatile metabolites in urine by gas chromatography-mass spectrometry

1973 ◽  
Vol 45 (4) ◽  
pp. 763-767 ◽  
Author(s):  
Albert. Zlatkis ◽  
Wolfgang. Bertsch ◽  
H. A. Lichtenstein ◽  
Arye. Tishbee ◽  
Farid. Shunbo ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Gas Chromatography Mass Spectrometry ◽  
Volatile Metabolites ◽  
Chromatography Mass Spectrometry

scholarly journals Chemotaxonomical Markers in Essential Oil of Murraya Koenigii

2012 ◽  
Vol 7 (10) ◽  
pp. 1934578X1200701 ◽  
Author(s):  
Thilahgavani Nagappan ◽  
Perumal Ramasamy ◽  
Charles Santhanaraju Vairappan
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Essential Oil ◽  
Essential Oils ◽  
Gas Chromatography Mass Spectrometry ◽  
Caryophyllene Oxide ◽  
Murraya Koenigii ◽  
Volatile Metabolites ◽  
Chromatography Mass Spectrometry ◽  
Minor Compounds

The composition of the essential oils of Murraya koenigii(L.) Spreng, cultivated at six locations in Peninsula Malaysia and Borneo are presented. The oils were obtained from fresh leaves by hydrodistillation and analyzed by gas chromatography-mass spectrometry (GC-MS); 61 compounds were identified, of which eleven were present in all the specimens analyzed. The two major volatile metabolites were identified as β-caryophyllene (16.6-26.6%) and α-humulene (15.2-26.7%) along with nine minor compounds identified as β-elemene (0.3-1.3%), aromadendrene (0.5-1.5%), β-selinene (3.8-6.5%), spathulenol (0.6-2.7%), caryophyllene oxide (0.7-3.6%), viridiflorol (1.5-5.5%), 2-naphthalenemethanol (0.7-4.8%), trivertal (0.1-1.0%) and juniper camphor (2.6-8.3%). The results suggest that β-caryophyllene and α-humulene could be used as chemotaxonomical markers for Malaysian M. koenigii, hence these specimens could be of the same stock and different from the ones in India, Thailand and China.

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