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Science 1 September 1967:
Vol. 157. no. 3792, pp. 1040 - 1042
DOI: 10.1126/science.157.3792.1040
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Articles

Perhydro-beta-Carotene in the Green River Shale

Sister Mary T. J. Murphy 1, A. McCormick 1, and G. Eglinton 1

1 Department of Chemistry, University of Glasgow, Glasgow, W.2, Scotland

Several triterpenes and the tetraterpene perhydro-beta-carotene have been identified in the branched-cyclic hydrocarbon fraction of this Eocene shale. The analytical procedure included thiourea adduction followed by combined gas chromatography and mass spectrometry.


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