In many species, olfaction is highly tuned to pheromones; a male silkworm moth, for example, can sense a single molecule of bombykol.
2.
Adolf Butenandt also had characterized the first pheromone, bombykol, a chemically well-characterized sexual hormone released by the female silkworm to attract mates.
3.
German Biochemist Adolf Butenandt characterized the first such chemical, Bombykol ( a chemically well-characterized pheromone released by the female silkworm to attract mates ).
4.
His work on insects led to his discovery, together with Erich Hecker, of the first crystallized pheromone, an attractant, in bombykol, the sexual substance of the silk worm.
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