The present paper is an attempt to assess the credibility of various folk claims on medicinal uses of Bombax ceiba L. in view of scientific studies done so far. Almost all parts of the plant are widely used by tribal communities for gastrointestinal and skin diseases, gynecological and urino-genital disorders, general debility, diabetes and impotence. There are direct evidences of scientific va...

Total, free and conjugated forms (steryl esters, steryl glycosides and acyl steryl glycosides) of sterols from three microalgae that are extensively used in mariculture (Tetraselmis chuii, Nannochloropsis salina and Skeletonema costatum) were examined. The results revealed that cholesterol is the only common fraction detected in all investigated species and distributed in free and all conjugate...

Genotoxic responses towards chronic exposure of Chaetoceros tenuissimus and Skeletonema costatum to water accommodated fraction of petroleum hydrocarbons (WAF-P) were evaluated as biomarkers of petroleum hydrocarbons pollution. The DNA damage caused by water accommodated fraction of petroleum hydrocarbons was assessed in terms of the DNA integrity measured by alkaline unwinding assay. The compa...

Nitrate uptake kinetics of different phytoplankton communities exhibit great variability over a 1-year period. Classical saturation kinetics accompanied by an induction phase are shown by blooms of Chaetoceros sp. in low nitrate waters. Biphasic kinetics, with transition points between 10 and 50 ìM, are shown by blooms of Skeletonema costatum and flagellates, while unsaturated kinetics (up to 1...

L’exploitation du bois pour satisfaire les besoins socioéconomiques (source d’énergie, de service et d’œuvre) ne fait qu’accroître au jour le avec des effets sur l’environnement dans la Commune Kétou. La présente étude vise à évaluer impacts socio-économiques environnementaux l’exploitation ressources ligneuses commune Pour atteindre cet objectif, l’approche méthodologique adoptée est basée col...

a r t i c l e i n f o Keywords: CCM 13 C fractionation CA C 4 photosynthesis PEPC RubisCO The effect of pCO 2 on carbon acquisition and intracellular assimilation was investigated in the three bloom-forming diatom species, Eucampia zodiacus (Ehrenberg), Skeletonema costatum (Greville) Cleve, Thalassio-nema nitzschioides (Grunow) Mereschkowsky and the non-bloom-forming Thalassiosira pseudonana (...