樟生体内における精油の生成様式-29-光線の量を変えて生育させた樟幼苗の精油

概要

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The seedlings of Cinnamomum camphora SIEB. from the seeds of the mother trees in Kagoshima Prefecture, Japan were cultivated under different daylight, one in the normal condition and another in the shading condition of about one fifth daylight. And the differences of their growth and essential oil have been examined for comparison. (1) The yields of the essential oil are 0.52% in the case of the fresh normal seedling and 0.27% in the case of the fresh shading one. (2) The content of camphor in the essential oil of the normal seedlings was richer than that of shading about 7%. On the other hand, the content of safrole shown 13.5% increase in the case of shading. (3) In seedlings, camphor was produced mainly in the leaves and safrole was formed in the roots independently to the light.
社団法人日本農芸化学会の論文