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Ecuador has among its foods a number of potatoes andtubers that are not only nutritious, butare also attributed properties as coadjutant in the treatment of differentillnesses. The objective of this study was to conduct a comparative study ofthe mashua tuber (Tropaeolum tuberosum spp tuberosum Ruiz u0026Pavon, Kuntze), in its three pink, yellow and black varieties, by comparing thephysicochemical characteristics and antioxidant activity. The comparative studywas carried out on tubers obtained in the province of Pichincha, Quito-Ecuador.The physicochemical parameters were determined by the identification of thesecondary metabolites present in the hydroalcoholic extracts, thequantification of phenols and flavonoids, and the characterization of theextracts by gas chromatography coupled to mass spectrometry and the antioxidantactivity by three test methods. As a result, significant differenceswere found between the three varieties studied.

Chemical Study and Determination of the Antioxidant Activity of Three Varieties &lt;i&gt;Tropaeolum tuberosum&lt;/i&gt; (Mashua)

Chemical Study and Determination of the Antioxidant Activity of Three Varieties <i>Tropaeolum tuberosum</i> (Mashua)