ホオノキの成分研究(第3報)Magnolol, Honokiolのホオノキおよび近縁植物における分布
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Distribution of magnolol (I) and honokiol (II) in plants was examined by thin-layer chromatography and gas-liquid chromatography. 1) I and II were contained in the bark but not in sapwood, heartwood, or leaf of Magnolia obovata. 2) In M. obovata, I and II were already contained in the bark of branches when they first appeared and increased as branches grew older, reached 4.38% of I and 0.92% of II in the dried bark of 20-year-old tree. 3) The bark of small branches of Magnolia spp. (9 sections, 12 species, 4 varieties) and Michelia spp. (2 species, 1 variety) were examined. I and II were found in Magnolia obovata var. yanagidana, M. officinalis, and M. tripetala, besides M. obovata. They belong to Rytidospermum section. The dried bark of M. tripetala contained 4.03% of II. From Magnolia virginiana, which belongs to Magnoliastrum section, a small amount of I was isolated. Other species of Magnolia and Michelia did not contain I or II.
- 公益社団法人日本薬学会の論文
- 1973-04-25
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