Abstract

David-Sarogoro, Nwiisuator

The study analyzed and quantified the extractive contents of the leaves, stembarks, rootbarks and diameter classes (DCs) of woods of Anthocleista djalonensis and used Randomized Complete Block Design with seven treatments replicated three times. DCs of trees 3-10cm, 11-15cm and 16-25cm were measured with a diameter tape. The results of wood DCs showed significant difference (P≤0.05) between the extractive contents (ECs) of DCs: tannin ranged from 0.10% to 0.36%, flavonoid was fairly constant within 0.30% to 0.40%, saponin ranged from 5.43% to 8.56%, there was no cyanogenic glucoside in the species. Oxalate ranged from 1.60% to 2.64and alkaloid ranged 2.56% to 4.61% while results of ECs on DCs in leaf and rootbark indicated significant difference (P≤0.05: P-v= 0.035822 ) between the DCs of the leaf and rootbark: in 3-10cm DC in Tai, Eleme and Agric Farm, RSU had tannin 0.56% and 0.60% but decreased from 0.70% to 0.40% within 11-15cm DC in all locations but in Agric Farm, RSU, flavonoid showed was significance (P≤0.05: P-v= 0.001593): in the rootbark, flavonoid ranged from 1.89% to 2.66% in all the locations and within all the DCs while in the leaf, it ranged from 1.24% to 1.98%. Saponin showed highly significance (P0.05:P-value= 0.615367). The wood of Anthocleista djalonensis contained anti-nutritional properties which confers durability and strength which could enhance its utilization status. Consumption in moderation of Anthocleista djalonensis by human is recommended since phytate content is far lower than the standard. The high extractive contents of the species could be precursors or raw materials in the pharmaceutical and chemical industries, therefore further study into this is recommended.