Results 141 to 150 of about 3,678 (193)

A Melissopalynologic dynamics appraisal revealed the strategic foraging adaptation of the honeybees (Apis mellifera Linnaeus 1758) to the anthropogenic impacts in the Republic of Benin. [PDF]

Heliyon
Amakpe F, Kenali HI, Sinsin B.
europepmc   +1 more source

Ethnomedical knowledge of plants used in alternative medicine to treat hemorrhoidal diseases in Lubumbashi, Haut-Katanga province, Southern Democratic Republic of Congo. [PDF]

BMC Complement Med Ther
Valentin BC, Philippe ON, Melman M, Henry MM, Salvius BA, Baptiste LSJ.   +5 more
europepmc   +1 more source

Dataset on SERS spectra of amber and amber-like resins. [PDF]

Data Brief
Kundalevich A, Zozulya A, Zyubin A, Bahdasarau M, Samusev I.   +4 more
europepmc   +1 more source

Khaya senegalensis (Desr.) A. Juss

, 1988
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Limonoids from Khaya ivorensis

Phytochemistry, 2009
Four limonoids, 1-O-deacetyl-6-deoxykhayanolide E (1), 1-O-deacetyl-2 alpha-hydroxykhayanolide E (2), 3-acetyl-khayalactone (3), 11 alpha-acetoxy-2 alpha-hydroxy-6-deoxy-destigloylswietenine acetate (4), along with 12 known limonoids, were isolated from the stems of Khaya ivorensis.
Bo, Zhang, Sheng-Ping, Yang, Sheng, Yin, Chuan-Rui, Zhang, Yan, Wu, Jian-Min, Yue   +5 more
openaire   +2 more sources

limonoids from Khaya senegalensis

Phytochemistry, 1998
A new limonoid was isolated from the bark of Khaya senegalensis and identified as 2,6-dihydroxyfissinolide. The assignments of some signals in the (13)C NMR spectrum of fissinolide have been reversed and the signals of the (1)H NMR spectrum of methyl 3beta-acetoxy-6-hydroxy-1-oxomeliac-14-enoate have been assigned.
Khalid, Sami, Friedrichsen, Gerda, Kharazmi, Arsalan, Theander, Thor, Olsen, Carl, Brøgger Christensen, S   +5 more
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Sensitization to Khaya anthotheca

Nature, 1965
AFRICAN mahogany is a timber which has been used extensively in the furniture trade since the early part of the century. It is derived exclusively from the Khaya genus and commercial supplies consist principally of K. ivorensis and K. anthotheca with smaller amounts of K. grandifoliola1.
J. W. W. MORGAN, D. S. WILKINSON
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Neomassaria khayae sp. nov., a novel pleosporalean species on Khaya senegalensis from Guangdong Province, China

Phytotaxa, 2023
Khaya senegalensis is a tropical plant native to Africa and grown as an ornamental plant in Southern China. During our sample collection in Guangdong Province, China, a saprobic Dothideomycetes was collected from a dead stem of K. senegalensis. The collection was identified as a neomassaria-like species based on the morphology.
Yang, Yunhui, Liao, Chunfang, Manawasinghe, Ishara S., Farias, Antonio Roberto Gomes De, Dong, Zhangyong   +4 more
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Plant gums of the genus Khaya. Part V. Further studies on Khaya senegalensis gum

Journal of the Chemical Society C: Organic, 1970
The fractionation of deacetylated Khaya senegalensis gum has been re-examined. The main component of the gum, polysaccharide A, has been converted into the carboxy-reduced derivative, and oligosaccharides formed on acetolysis of the modified polysaccharide have been shown to include 4-O-rhamnopyranosylgalactose (I), 4-O-galactopyranosylgalactose (II ...
G. O. Aspinall, A. K. Bhattacharjee
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Plant gums of the genus Khaya. Part IV. Major component of Khaya ivorensis gum

Journal of the Chemical Society C: Organic, 1970
Fractionation of deacetylated Khaya ivorensis gum affords a major polysaccharide component in essentially homogeneous form. Partial acid hydrolysis of this gives a degraded galacturonan and the following oligosaccharides, 2-O-(α-D-galactopyranosyluronic acid)-L-rhamnose (I), 4-O-(4-O-methylglucopyranosyluronic acid)galactose (II), 4-O ...
G. O. Aspinall, A. K. Bhattacharjee
openaire   +1 more source