Orchinol Explained

Orchinol is a 9,10-dihydrophenanthrene, a type of phenanthrenoid. It can be isolated from infected Orchis militaris and infected Loroglossum hircinum^[1] with Rhizoctonia repens.^[2] This molecule has a phytoalexin effect. It reduces the growth of Cattleya aurantiaca seedlings^[3] and has an antifungal activity.^[4]

External links

• Orchinol at kanaya.naist.jp/knapsack_jsp
• Orchinol at WikiGenes

Notes and References

1. Structure of Orchinol, Loroglossol, and Hircinol. Roy M. Letcher and Llewellyn R. M. Nhamo, J. Chem. Soc., Perkin Trans. 1, 1973, pages 1263-1265,
2. Orchinol. Richard Braun, Moderne Methoden der Pflanzenanalyse, 1963, Volume 6, pages 130-134, (article in German)
3. Effects of Orchinol, Loroglossol, Dehydroorchinol, Batatasin III, and 3,4'- Dihydroxy-5-Methoxydihydrostilbene on Orchid Seedlings. Katherine A. Hills, Albert Stoessl, Allison P. Oliva and Joseph Arditti, Botanical Gazette, September 1984, Vol. 145, No. 3, pages 298-301 (link)
4. Structure and antifungal activity of hircinol, loroglossol and orchinol. M.H. Fisch, Brigitta H. Flick and J. Arditti, Phytochemistry, February 1973, Volume 12, Issue 2, Pages 437–441,