The Distribution and Phylogenetic Significance of Desmethylsterols in Chenopodium and Atriplex: Coexistence of Δ7- and Δ5 -sterols
Twenty-one species in the Chenopodiaceae were analyzed for sterol composition. In ten of eleven species of Chenopodium, the major desmethylsterols were Δ7-sterols accompanied by lower proportions of Δ5-sterols. In C. fremontii this pattern was reversed. The sterol profiles of five species of Atriplex were characterized by the coexistence of Δ7- and Δ5-sterols in ratios of 0.3∶1 to 0.4∶1. Male Atriplex plants contained higher proportions of Δ5-sterols than female Atriplex plants. One Ceratoides and two Salicornia species contained Δ5-sterols as their predominant sterols.
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Xu, Sihua; Patterson, Glenn W.; Lusby, William R.; Schmid, Katherine M.; and Salt, Thomas A., "The Distribution and Phylogenetic Significance of Desmethylsterols in Chenopodium and Atriplex: Coexistence of Δ7- and Δ5 -sterols" Lipids / (1990): 61-64.
Available at http://digitalcommons.butler.edu/facsch_papers/840