Chemical composition of Siegesbeckia orientalis: A valuable, but less known ethnomedicinal plant

Linus Nwaogu, Chidi Igwe, Cosmas Ujowundu, Kingsley Obasi, Ujunwu Okeke

Abstract


The chemical (phytochemical, vitamin, elemental and proximate) compositions of the leaves of Sigesbeckia orientalis was determined using standard methods. The results of the phytochemical composition in mg/100g indicated that saponins appeared to be highest followed by alkaloids, flavonoids, tannins, oxalates, cynogenic glycosides and phytate. The leaf contains appreciable concentration in mg/100g of vitamins A and C. The leaves contain vital concentration in mg/100mg of minerals which include calcium, magnesium, phosphorus, iron and zinc. It also contain trace amount of potassium, sodium, manganese and cobalt. The moisture content of the leaf was 75.50±1.00 %, ash 4.77 ± 0.03%, proteins 10.73 ± 0.03%, fiber 6.38 ± 0.11%, fats 2.27±0.07% and carbohydrate 0.35±0.02% respectively.  The study revealed that Sigesbeckia orientalis leaf is a good source of vital vitamins and minerals. It also contains important phytochemicals which have been reported to have various biochemical and physiological effects that confer its medicinal benefits to users.

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