Chemical Study and Determination of the Antioxidant Activity of Three Varieties Tropaeolum tuberosum (Mashua) - American Journal of Plant Sciences

AJPS > Vol.10 No.12, December 2019

American Journal of Plant Sciences

Volume 10, Issue 12 (December 2019)

ISSN Print: 2158-2742 ISSN Online: 2158-2750

Google-based Impact Factor: 1.20 Citations h5-index & Ranking

Chemical Study and Determination of the Antioxidant Activity of Three Varieties Tropaeolum tuberosum (Mashua) ()

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DOI: 10.4236/ajps.2019.1012159 420 Downloads 1,465 Views Citations

Author(s)

Jiménez Heinert María Elena¹, Gutiérrez Gaitén Yamilet Irene², Yamilet Guaranda Iván³, Miranda Martínez Migdalia^4*

Affiliation(s)

¹Jiménez HeinertMaría Elena, Chemical Sciences Faculty, Guayaquil University, Guayaquil, Ecuador.
²Gutiérrez GaiténYamilet, Pharmacy and Food Institute, Havana University, Havana, Cuba.
³ChóezGuarandaIván, Biotechnological Research Center of Ecuador, Polytechnic School of the Coast, ESPOL, Guayaquil, Ecuador.
⁴Miranda Martínez Migdalia, Chemical and Environmental Sciences Department, Natural Sciences and Mathematics Faculty, Higher Polytechnic School of the Coast, ESPOL, Guayaquil, Ecuador.

ABSTRACT

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 Ruíz & Pavón, 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.

KEYWORDS

Antioxidant Activity, Chemical Composition, Gas Chromatography-Mass Spectrometry

Share and Cite:

María Elena, J. , Yamilet Irene, G. , Iván, Y. and Migdalia, M. (2019) Chemical Study and Determination of the Antioxidant Activity of Three Varieties Tropaeolum tuberosum (Mashua). American Journal of Plant Sciences, 10, 2279-2297. doi: 10.4236/ajps.2019.1012159.

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