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Phenolic compounds and antioxidant activity of tuberous root leaves
Authors:Míriam Helena Alves Eugenio  Rosemary Gualberto Fonseca Alvarenga Pereira  Wilson César de Abreu  Michel Cardoso de Angelis Pereira
Affiliation:Departamento de Ciência dos Alimentos, Universidade Federal de Lavras, Lavras, Brazil
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.
Keywords:Leaves  HPLC/DAD  Antioxidants  Phenolics
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