J Herbmed Pharmacol. 2018;7(2):68-73.
doi: 10.15171/jhp.2018.12

Scopus id: 85045018665
  Abstract View: 529
  PDF Download: 307

Original Article

Phytochemical, nutraceutical and antioxidant studies of the aerial parts of Daucus carota L. (Apiaceae)

Emmanuel Ayodeji Ayeni 1 * , Ahmed Abubakar 1, Garba Ibrahim 1, Vallada Atinga 2 ORCiD, Zainab Muhammad 1

1 Department of Pharmacognosy and Drug Development, Ahmadu Bello University Zaria, Nigeria
2 Department of Pharmacognosy and Drug Development, Gombe State University, Gombe, Nigeria

Abstract

Introduction: Carrot is a rich source of anthocyanins, carotenoids, vitamins A, B and C. The aerial parts are used as livestock feed in some parts of Northern Nigeria with little or no scientific evidence of its nutritional potential. This study established the phytochemical, nutritional and antioxidant potentials of carrot aerial parts. Methods: The proximate and elemental analyses of the aerial parts were determined using Association of Official Analyst Chemist (AOAC) method and 2,2-diphenyl-1-picrylhydrazyl (DPPH) method for quantification of antioxidant properties in the crude extracts. Results: The preliminary phytochemical screening revealed presence of steroid/triterpenes, flavonoids, tannins and saponins in ethylacetate and methanol crude extracts. The proximate analysis revealed crude protein (14.59%), lipid (10.37%), fibre (9.07%), carbohydrate (51.81%), moisture (10.23%) and the ash content (12.99%). The aerial parts were rich in P (11.00 mg/L), Na (5.38 mg/L), Fe (3.19 mg/L), K (2.25 mg/L), Ca (2.02 mg/L), Mn (1.15 mg/L), Mg (1.02 mg/L), As (0.83 mg/L), Se (0.40 mg/L), Zn (0.26 mg/L), Cu (0.13 mg/L), Cd (-0.02 mg/L), Cr (0.02 mg/L), Ni (0.17 mg/L) and Pb (0.04 mg/L). The antioxidant activity showed that ethylacetate and methanol extracts had EC50 of 86.89 ug/mL and 166.79 ug/mL, respectively. Conclusion: Daucus carota aerial parts are rich in nutritional compositions and may be used as livestock feed supplements and also as vegetables for mankind. Its utilization could be incorporated in daily diets and boost food security in developing countries.
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Submitted: 07 Jun 2017
Revised: 09 Oct 2017
Accepted: 20 Mar 2018
First published online: 20 Mar 2018
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