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Original Articles

Phenolic compounds and antioxidant activity of tuberous root leaves

, , &
Pages 2966-2973 | Received 28 Jul 2016, Accepted 18 Nov 2016, Published online: 05 Apr 2017
 

ABSTRACT

The antioxidant potential of five tuberous root leaves was evaluated. High performance liquid chromatography (HPLC/DAD) showed the presence of phenolic compounds in leaves, and the predominant ones were chlorogenic acids in carrot (458.79 mg.L−1± 0.03): rosmarinic acid in sweet potato (222.05 mg.L−1± 0.01) and quercetin in sweet potato (292.42 mg.L−1± 0.01). Radish leaves showed a higher total in vitro antioxidant activity for all methods used in this study. The results indicated that these leaves were natural sources of antioxidants and, therefore, could be included in the health beneficial diet.

Acknowledgments

The authors would like to thank Universidade Federal de Lavras (UFLA) and Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES).

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