scholarly journals Chemical analysis of racing fuels using total vaporization and gas chromatography mass spectrometry (GC/MS)

2016 ◽  
Vol 8 (19) ◽  
pp. 3899-3902 ◽  
Author(s):  
Dana Bors ◽  
John Goodpaster
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Chemical Analysis ◽  
North American ◽  
Gas Chromatography Mass Spectrometry ◽  
Governing Body ◽  
Chromatography Mass Spectrometry ◽  
Drag Racing ◽  
Total Vaporization

The National Hot Rod Association (NHRA) is the governing body of North American drag racing.

Neuritogenic and Neuroprotective Activities of the Essential Oil From Rhizomes of Curcuma alismatifolia

2019 ◽  
Vol 14 (7) ◽  
pp. 1934578X1986421
Author(s):  
Sirote Kochaphum ◽  
Parinya Banyat ◽  
Sarin Tadtong ◽  
Vipaporn Sareedenchai ◽  
Sirivan Athikomkulchai
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Antioxidant Activity ◽  
Chemical Analysis ◽  
Essential Oil ◽  
Cell Viability ◽  
Neuroprotective Activity ◽  
Gas Chromatography Mass Spectrometry ◽  
Chromatography Mass Spectrometry ◽  
Neuritogenic Activity

The essential oil from rhizomes of Curcuma alismatifolia Gagnep. was extracted by hydrodistillation. Chemical analysis by gas chromatography-mass spectrometry identified 12 compounds, of which the most prominent were xanthorrhizol (82.2%), ar-curcumene (6.5%), α-cedrene (1.8%), and β-bisabolol (1.1%). The essential oil at 1 ng/mL showed neuroprotective and neuritogenic activity on P19-derived neurons by significantly enhancing cell viability, length, and branching numbers of the cultured P19-derived neurons. In addition, xanthorrhizol, the major compound of the essential oil, at 10 ng/mL also exhibited the protection of P19-derived neurons. However, the mechanism of their neuroprotective activity was not correlated with their antioxidant activity.

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