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Articles by B.C. Ndukwu
Total Records ( 3 ) for B.C. Ndukwu
  M. Idu , B.C. Ndukwu and O.O. Osemwegie
  Ethno-floristic studies of Ethiope Council area of Delta State, Nigeria was carried out with a view to take inventory of the flora and establish the varying ways plants are used by the aborigines. A total of 145 plant species distributed into 51 angiosperm families were recorded in the area. The studies indicate that the indigenous people have developed various ways and methods for the utilization of their plant resources. Efforts were made to track and document the customary knowledge and use of these plants. The information is intended to contribute to the current global efforts at safeguarding the loss of indigenous values and knowledge of biological resources.
  M. Idu and B.C. Ndukwu
  C. Ekeke and B.C. Ndukwu
  Taxonomic value of secondary metabolites in the Euphorbia L. has been carried out. This study aimed at using hydrocarbon skeletons and flavonoids in improving the classification of the genus in Nigeria. Eleven species of this genus occurring in Niger Delta, Nigeria were identified based on field collection and herbarium specimens deposited in Forestry Herbarium Ibadan (FHI). Fresh plant specimens from these species of Euphorbia were subjected to Gas and paper chromatography. Results of this study showed that these species contained aliphatic hydrocarbons (C8, C9, C10, C11, C12, C13, C14, C15, C16, C17, C18, C19, C20, C22, C26, C28, C30, C32, C34 and C36) and flavonoid classes (biflavonyl, flavone, flavonol, anthocyanin and glycosylflavone). C8 to C11 are widespread among the species of Euphorbia studied, while C21 to C30 are restricted to E. heterophylla, E. splendes, E. hyssopifolia, E. milli, E. prostata, E. thymifolia and E. tirucalli and C31 to C40 are not found in E. hirta and E. desmondi but are widely distributed among the other species studied. The hydrocarbons and flavonoids screening showed differences among the species and could be used to classify the genus. This result confirmed that E. splendes is distinct from E. milli.
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