Summary
The khapra beetle,Trogoderma granarium Everts, does not dealkylate and convert dietary C28- or C29-phytostorols to C 2T sterols such as cholesterol. There is, however, an increase in the concentration of cholesterol and campesterol in its tissues relative to the dietary concentrations of these sterols, presumably as a result of selective uptake.
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We thank Dr S. R. Dutky of the Insect Physiology Laboratory, Agricultural Research, SEA, USDA, Beltsville, Maryland for providing GC-MS analyses.
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Svoboda, J.A., Nair, A.M.G., Agarwal, N. et al. The sterols of the khapra beetle,Trogoderma granarium everts. Experientia 35, 1454–1455 (1979). https://doi.org/10.1007/BF01962778
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DOI: https://doi.org/10.1007/BF01962778