Translocation of alkaloids in Datura species

Abstract
The ditigloyl esters of the hydroxytropanes, normally found in the roots of Datura spp. occur also in the transpiration stream of D, innoxia and D. cornigera although they do not accumulate in the aerial parts. An alkaloid previously isolated from the leaves or roots of a number of species, and now obtained from the transpiration stream is probably an optical isomer of norhyoscine. Hyoscine is the principal alkaloid of the sap of both the species investigated and noratropine and hyoscyamine are also present.

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