A new norhopane triterpenoid, 3beta-eicosanoyl-6beta-hydroxy-21alphaH-24-norhopan-4(23),22(29)-diene (1), was isolated from the leaves of Harpullia arborea. The structure of the compound was determined by spectroscopic methods.
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http://dx.doi.org/10.1016/j.fitote.2008.04.010 | DOI Listing |
Mycologia
March 2019
a Institute of Ecology, Evolution and Diversity, Faculty of Biosciences , Goethe University Frankfurt am Main, Biologicum , Max-von-Laue-Str. 13, 60438 Frankfurt am Main , Germany.
Species of tropical tar spot fungi (Phyllachorales, Ascomycota) are obligate biotrophic plant parasitic fungi associated with living leaves of a wide range of families of host plants, mainly in tropical and subtropical regions. In this study, samples of tropical tar spot fungi were collected in forests in Costa Rica and Panamá. To identify taxa, we used morphology and information on host plants and combined multigene phylogeny of four genes: the large subunit nuclear ribosomal DNA (28S rDNA), the small subunit nuclear ribosomal DNA (18S rDNA), the complete internal transcribed spacer region of ribosomal DNA (nuc rDNA ITS1-5.
View Article and Find Full Text PDFFitoterapia
December 2008
Department of Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand.
A new norhopane triterpenoid, 3beta-eicosanoyl-6beta-hydroxy-21alphaH-24-norhopan-4(23),22(29)-diene (1), was isolated from the leaves of Harpullia arborea. The structure of the compound was determined by spectroscopic methods.
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