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Abstract AIM: To validate a spectrofluorometric method for measuring chlorophyll a metabolites, specifically phytoporphyrin… Expand Hepatogenous photosensitization occurs in livestock following damage to the liver or biliary apparatus that results in impaired… Expand Abstract AIM: To elucidate the photobiological behaviour of phylloerythrin by studying the cellular uptake and intracellular… Expand Lantana camara is one of the ten most noxious weeds in the world. It is toxic to animals and exerts allelopathic action on… Expand The subject of this study was the pathological and scanning electron microscopical changes in the biliary systems of sheep… Expand Abstract There was a loss of about 80 per cent of the hypericin content from St John's Wort (Hypericum perforatum) when it was… Expand Under general anaesthesia the common bile duct was ligated in two sheep and two calves. Occlusion of the duct was permanent and… Expand 1. Digestion of grass lipids and pigments in the rumen of the sheep has been studied during starvation and following the… Expand 1. The photosensitizing effect of leaf-protein concentrate (LPC) prepared from lucerne ( Medicago sativa ) was demonstrated when… Expand extractability of phylloerythrin from bile was tested by adding fresh ox bile to equal volumes of buffer solutions and shaking… Expand