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Phytoestrogens are compounds found in plants with estrogenic activity. Their chemical structure is similar to estradiol. Three main classes of phytoestrogens are: isoflavones, lignans and coumestans. The major bioactive isoflavones are genistein and daidzein. Phytoestrogens are widely present in plants regularly consumed by animals and humans: e.g. oats, barley, wheat, corn, and clover. The most significant...
The comparative studies were performed on insulin receptors of erythrocytes and liver plasma membranes in fish (tench and carp) and bird (duck). The Scatchard plots indicated the presence of two pools of binding sites both in fish and duck. These pools show inter-species differences in binding ability and the number of receptors. Specific binding of insulin and the binding affinity are higher in duck...
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