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Abstract Seven tetracyclic spiro-alkaloids, i.e. glucoerysodine (1), erysodine (2), epi-erythratidine (3), erysovine (4… Expand BACKGROUND
The cotton aphid (Aphis gossypii Glover) is one of the most invasive pests of cotton. Many botanical phytochemicals… Expand The screening for insecticidal principles from several Chinese medicinal herbs showed that the stem bark of Erythrina variegata… Expand Phytochemical study on the EtOAc extract of the seed of Erythrina addisoniae (Leguminosae) resulted in the isolation of a new… Expand A sensitive, reverse-phase HPLC-MS method for the analysis of the alkaloids of Erythrina has been developed. The method is based… Expand 1 Isolation and Structure Determination 1.1 Erythrina Alkaloids A novel Erythrina alkaloid, erymelanthine (1 a), has recently… Expand The petroleum ether extractive of the bark of Erythrina variegata var. orientalis was fractionated and shown to be composed of… Expand