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Proximate and phytochemicals are chemical components that are derived from plants through metabolic activities, Polyalthia longifolia is a very important plant. The phytochemical analysis results obtained for the bark for alkaloid, saponins, flavonoid, total phenol, hydrogen cyanide and terpenoid are as follows; 8.13, 9.31, 9.41. 42.7, 0.01 and 4.47 and for the leaves. 4.84, 3.21, 7.14, 2.96, 1.73 and 4.11 respectively. the proximate results carried out on its bark using standard procedures shows it contains (%) carbohydrate 51.7, moisture content 12.8, ash content 10.52, crude fibre 15.31 and crude protein 7.22 and the proximate results for leaves 4.48, 3.21, 7.14, 2.96 and 4.11 respectively for carbohydrate, moisture content, ash content, crude fibre and crude protein. This result shows that the plant is a good source of saponin, alkaloid, phenols, and terpenoids which contribute to the nutritive and medicinal potency of the plant. The concentration of hydrogen cyanide in the plant leaves and bark is not significant and therefore will have no lethal effect and can easily be detoxified but comparatively the leaves contain more cyanide than the bark which could be related to the moisture content, the total penol in the bark is also significantly higher than the leaves which show its effectiveness as an anti microbial agent. The high percentage of carbohydrate shows that the plant can be a good source of energy for both humans and animals. This plant has several benefits like anti-cancer, anti-oxidants and anti-haemohorrds and can be used to reduce fibroid, it is applicable industrially as food preservatives, cosmetics and sweetners,
Lawson et al. (Fri,) studied this question.