微量生理活性物質とその利用 : たばこの香気と性フェロモン

概要

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The present article involves the studies on aroma constituents of turkish tobacco and the sex pheromone of cigarette beetle, of which the former is considered to be the biologically active substances to human and the both are to the insect.<BR>A comprehensive investigation of aroma constituents of Turkish tobacco showed the existence of terpenoid acids related to tobacco thunberganoids. The degradation of thunberganoids to these terpenoid acids are considered to be closely related to the formation of the tobacco characteristic aroma.<BR>In the course of our another studies on the biologically active substances to cigarette beetle, a serious pest of cured tobacco leaves, a sex pheromone, 4, 6-dimethyl-7-hydroxynonan-3-one (serricornin) and other 4, 6-dimethylnonane derivatives as minor components were isolated. The presence of these 4, 6-dimethylnonane derivatives suggests that these pheromone components are derived from the polyketide biosynthesis.<BR>These biologically active substances were synthesized in practical scale and now the applications of these chemicals as tobacco flavors and the attractants of cigarette beetle are in progress.