市場品鬱金および栽培植物の成分組成による比較

概要

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A hexane extract of turmerics was analysed by capillary GC and GC-MS. Eight sesquiterpenoids, a-curcumene (1), zingiberene (2), β-bisaboIene (3), β-sesquiphellandene (4), ar-(+)turmerone (5), α-turmerone (6), β-turmerone (7) and germacrone (8) were identified. 8 was detected in turmeric for the first time. The Rhizomes of four species of C. longa L. could be classified into two chemotypes by their sesquiterpenoid compositions. The first type contained large amounts of 2, 4 and 6, and 8 as the key compound (Ia type). The second type contained a large amount of 6, small amounts of 1-4 and none of 8 (IIa type). The fourteen commercial turmerics, collected in China, Japan and Taiwan, revealed somewhat different GC patterns: they generally contained larger amounts of 1 and 5 and smaller amounts of 2 and 6. They could also be divided into two chemotypes analogously (Ib and IIb type). The total curcuminoid contents of ha and IIb types were higher than those of Ia and Ib types.
日本生薬学会の論文
1992-03-20