Glycolipids containing short-chain fatty acids are important tobacco smokearoma precursors, especially in oriental tobacco.*~3) They are contained in the surface lipids of tobacco plants. Previously, we have classified Nicotiana species tentatively by the nature of the surface glycolipids into 1) N. species having no glycolipids, 2) N. species having mainly glucose esters, 3) N. species having mainly sucrose esters, and 4) N. species having both glucose esters and sucrose esters.4) In this classification, N.

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