phytane


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phytane

[′fī‚tān]
(organic chemistry)
C20H42 A hydrocarbon derivative of chlorophyll that is found in rock specimens 2.5-3 × 109 years old; frequently associated with Precambrian fossil plant matter.
References in periodicals archive ?
These included 2 fatty aldehydes; nonanal (16) and 2E-decenal (20); 2 fatty alcohols, lignocerol (68) and pentacosyl alcohol (73); four isoprenoids, phytane (36), iso-phytol (42), hexahydrofarnesyl acetone (43), and E-phytol (57), and 2 phytosterols, O-Sitosterol (79) and fucosterol (81).
In addition, 5 of 20 volunteers living in the exposed area and 1 of 25 controls had detectable pristane, phytane, and/ or pristanic acid in their blood.
For all oil shale samples phytane (Ph) is more dominant than pristane (Pr) and Pr/Ph ratios are between 0.
The acyclic isoprenoids dominated by pristane (Pr) and phytane (Ph) were detected in all samples (Fig.
A thermal and chemical degradation approach to decipher pristane and phytane precursors in sedimentary organic matter.
Isoprenoid alkane in saturated hydrocarbon fractions is primarily composed of phytane series.
The isoprenoid hydrocarbons pristane (Pr) and phytane (Ph) are identified in all of the samples taken from the Bilong Co area.
Pristane and phytane predominate in IPs, being the only two IPs in CDEF from LK, while pristane is the only IP detected in CDEF from HD.
32] fatty acids and esters, alkanes, phytanols, phytanes and sterols (Spadek et al.