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Bioactive apocarotenoids from Tectona grandis

Phytochemistry, 2008
The bioactive fractions of Tectona grandis have yielded seven apocarotenoids, two of which have been isolated for the first time as natural products (tectoionols A and B). The chemical structures were determined through 1D and 2D nuclear magnetic resonance experiments.
Francisco A, Macías   +4 more
openaire   +2 more sources

Neoolivea tectonae Aime & McTaggart 2020

2022
Published as part of Tabe, Affoussatou, Aime, M. Catherine, Yorou, Nourou Soulemane & Piepenbring, Meike, 2022, New records and data on rust fungi (Pucciniales, Basidiomycota) in Benin, pp. 127-145 in Phytotaxa 548 (2) on pages 131-132, DOI: 10.11646/phytotaxa.548.2.1, http://zenodo.org/record ...
Tabe, Affoussatou   +3 more
openaire   +1 more source

Secondary metabolites fromTectona philippinensis

Natural Product Research, 2008
The air-dried leaves of Tectona philippinensis, an endemic and endangered Philippine medicinal plant, afforded 5-hydroxy-3,7,4'-trimethoxyflavone (1), 5,4'-dihydroxy-3,7-dimethoxyflavone (2), squalene (3), a mixture of lupeol (4a) and beta-amyrin (4b), chlorophyllide a (5), and hydrocarbons.
Ragasa, Consolacion Y.   +4 more
openaire   +2 more sources

Chromomoric Acid Derivatives from Tectona philippinensis

Journal of Natural Products, 2008
The air-dried leaves of Tectona philippinensis, an endemic and endangered Philippine medicinal tree, afforded four new chromomoric acid derivatives ( 1, 2, 3a, and 3b). Their structures were elucidated by extensive 1D and 2D NMR spectroscopy. Antimicrobial testing was carried out on 1- 3 against a panel of bacteria and fungi.
Consolacion Y, Ragasa   +4 more
openaire   +2 more sources

Isolation and Phytotoxicity of Terpenes from Tectona grandis

Journal of Chemical Ecology, 2010
A study was carried out on the allelopathic potential of four forest species, Tectona grandis, Aleurites fordii, Gliricidia sepium, and Maytenus buxifolia. The most active species, T. grandis, was selected to perform a phytochemical study. A new compound, abeograndinoic acid, was isolated, and elucidation of its structure showed that this compound has ...
Francisco A, Macías   +4 more
openaire   +2 more sources

Isozyme variation among teak (Tectona grandis L.f.) provenances

Theoretical and Applied Genetics, 1995
Fourteen enzyme systems were analysed in leaf parenchyma of nine native and introduced populations of teak. These enzyme systems were encoded by 20 putative loci of which 18 were polymorphic. Populations showed a general lack of heterozygosity (average FIS = 0.11).
Kertadikara, A.W.S., Prat, D.
openaire   +3 more sources

Olivea tectonae . [Distribution map].

Distribution Maps of Plant Diseases, 2015
Abstract A new distribution map is provided for Olivea tectonae (T.S. & K. Ramakrishnan) Mulder. Pucciniomycetes: Pucciniales: Chaconiaceae. Host: teak ( Tectona grandis ). Information is given on the geographical distribution in Asia (Bangladesh, China, Guangdong, Guangxi ...
null CABI, null EPPO
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