ケイヒ類生薬に関する研究(第8報)ベトナム産ケイヒについて

概要

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Histological study of marketed cinnamon bark produced in Viet-Nam was carried out for the determination of the botanical name in comparison with the bark specimens at several levels in three trees of Cinnamomum cassia PRESL collected in Indonesia. Twenty-nine samples of bark named Viet-Nam, Saigon and Annan cinnamon etc. were examined and classified into 6 types, i.e. A-I, A-II, A-III, B, C and D. The characteristics of these types were as follows : crystal was needles in types of A-group and B, sometimes in bundle, and prism in types of C and D. The difference in each type was the kinds and the amount of mechanical tissue such as stone cell ring and group, bast fibre, two sort of sclerenchyma, U- and O-form cell, and also the amount of oil cell. In addition the thickness of cell wall of parenchyma in secondary cortex was different. (see Table III) The types of A-group was identified as C. cassia PRESL, and the type of B was the same species as that of A-group, a cultivated form, as the result of histology and a survey of literatures concerned, though it has been suggested C. loureirii NEES and/or C. obtusifolium NEES. The types of C and D have not been identified yet.
公益社団法人日本薬学会の論文
1984-03-25