Reactions of singlet oxygen with pine pollen

Exposure of pine pollen to single oxygen, generated in an aqueous environment, resulted in a decrease in the relative quantities of unsaturated fatty acids that could be recovered by solvent extraction of surface and near surface pollen lipids. The involvement of excited oxygen was confirmed by subs...

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Bibliographic Details
Published inScience (American Association for the Advancement of Science) Vol. 181; no. 4100; p. 669
Main Authors Dowty, B, Laseter, J L, Griffin, G W, Politzer, I R, Walkinshaw, C H
Format Journal Article
LanguageEnglish
Published United States 17.08.1973
Subjects
Air Pollution
Deuterium
Fatty Acids, Nonesterified - metabolism
Oxygen - metabolism
Photochemistry
Pollen
Trees
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Summary:Exposure of pine pollen to single oxygen, generated in an aqueous environment, resulted in a decrease in the relative quantities of unsaturated fatty acids that could be recovered by solvent extraction of surface and near surface pollen lipids. The involvement of excited oxygen was confirmed by substitution of deuterium oxide for water, which led to a twofold greater decrease in the unsaturated acids. The potential environmental and biomedical implications of these observations are discussed in terms of this model system.
ISSN:0036-8075
DOI:10.1126/science.181.4100.669