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Revista U.D.C.A Actualidad & Divulgación Científica
Print version ISSN 0123-4226
Abstract
LEON-CRISTANCHO, Angie P.; ROA-HIGUERA, Karol A.; MENESES-MARENTES, Nixon and TARAZONA-DIAZ, Martha. Quantification of potencial bioactive compounds in Citrullus lanatus, Luffa cylindrica and Sicana odorifera. rev.udcaactual.divulg.cient. [online]. 2022, vol.25, n.2, e2123. Epub Dec 13, 2022. ISSN 0123-4226. https://doi.org/10.31910/rudca.v25.n2.2022.2123.
Vanessa watermelon, luffa and cassabanana are cucurbits that have compounds with bioactive potential, that is, compounds that have beneficial effects on health. In Colombia, these fruits are underutilized due to their low popularity; making known the information on their nutritional compounds encourages their use and consumption. The objective of this study was to perform the physicochemical characterization and evaluate the effect of freeze-drying and ultrasound-assisted extraction on the vitamin C content, total polyphenols and antioxidant capacity of the parts of each fruit. The wastes generated between rinds and seeds are 28.3 % (watermelon), 68.76 % (luffa) and 25.39 % (cassabanana), these in turn presented higher total polyphenol contents and antioxidant capacity than in the pulp. The freeze-drying treatment improved the extraction % in antioxidant capacity, vitamin C and total polyphenols compared to fresh samples. On the other hand, both rind and pulp of luffa are a good source of compounds with antioxidant capacity, while watermelon and cassabanana reached a good sensory acceptance, which is attributed to the soluble solids content and the high-water content, which makes them sweet and refreshing fruits.
Keywords : Antioxidant; Bioactive compound; Cucurbitaceae; Lyophilization; Total polyphenols.