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Nutritional and antinutritional compositions of leaves of some edible medicinal plants in Rivers State, Nigeria

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Author Affiliations

  • 1Dept. of Plant Science and Biotechnology, Rivers State University, Nkpolu-Oroworuokwo, P.M.B. 5080, Port Harcourt, Rivers state, Nigeria
  • 2Dept. of Plant Science and Biotechnology, Rivers State University, Nkpolu-Oroworuokwo, P.M.B. 5080, Port Harcourt, Rivers state, Nigeria

Int. Res. J. Biological Sci., Volume 12, Issue (1), Pages 21-27, May,10 (2023)

Abstract

Vegetables are important part of the Nigerian diet and they meet the dietary and medicinal requirement of the Nigerian populace. This studywas conducted to investigate the phytochemical and proximate constituents of leaves extract of four edible medicinal plants in Rivers State using standard procedures. The four medicinal plants investigated include Xanthosoma mafaffa scott, Chysophyllum albidum G. Don, Annona muricata L. and Lagenaria breviflora. The phytochemical analysis gave the following values: tannin (0.08, 0.05, 0.25 and 1.00 mg/kg), phenol (0.93, 0.23, 1.24 and 3.10mg/kg), terpenoid (1.36, 3.01, 5.05 and 3.10%), alkaloid (3.25, 0.23, 0.67 and 1.80 mg/kg), flavonoid (1.87, 6.47, 4.04 and 13.00 mg/kg) and saponin (2.69, 12.63, 2.24 and 12.00%) respectively. The proximate result showed the content (%) of moisture as (83.35, 56.22, 60.57 and 51.84%), Ash (0.63, 3.66, 3.42 and 1.40%), fat (0.31, 3.82, 1.02 and 19.63%), Crude protein (2.04, 6.73, 5.22 and 3.90%), carbohydrate (11.99, 19.59, 14.03 and 13.99%) and Crude fibre (8.34, 9.97, 15.74 and 9.24%). The result showed that these plants could be used in diets to improve human health and pharmaceutical industries.

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