Bioactive compounds and antioxidant activities of different watermelon (Citrullus lanatus (Thunb.) Mansfeld) cultivars as affected by fruit sampling area |
| |
Authors: | Imen Tlili Chafik Hdider Marcello Salvatore Lenucci Ilahy Riadh Hager Jebari Giuseppe Dalessandro |
| |
Affiliation: | a Department of Biology, Faculty of Sciences of Bizerte, Zarzouna, 7021 Bizerte, Tunisia;b Laboratory of Biotechnology and Plant Physiology, National Agricultural Research Institute of Tunisia, Rue Hédi Karray, 2049 Ariana, Tunisia;c Dipartimento di Scienze e Tecnologie Biologiche ed Ambientali (Di.S.Te.B.A.), Università del Salento, Via Prov.le Lecce Monteroni, 73100 Lecce, Italy |
| |
Abstract: | This investigation reports the variability of antioxidant components and antioxidant activities of six watermelon cultivars (cvs) (four commercial cvs Aramis, Crimson Sweet, Dumara, Giza, and two new selections P503 and P403 produced by the National Agricultural Research Institute of Tunisia) as influenced by sampling area. All cvs were simultaneously grown in an open-field and subjected to identical horticultural practices in order to minimize the effects of environmental conditions and maximize those related to genotype. Significant differences were found between watermelon cvs for lycopene, phenolics, flavonoids, ascorbic acid (AsA), dehydroascorbic acid (DHA) and total vitamin C (AsA + DHA) contents, as well as in the antioxidant activity of their hydrophilic and lipophilic fractions. P503 cv showed the highest lycopene and flavonoid contents. Crimson Sweet and Giza cvs showed the highest HAA and LAA when TEAC was used as assay method, while the highest HAA and LAA were detected in Giza and Dumara cvs and in P503 cv, respectively, when FRAP assay was used. This study demonstrates that the amount of each specific antioxidant, as well as the HAA and LAA, were both influenced by genotype and sampling area, emphasizing the need to evaluate watermelon biodiversity in order to improve its nutritional value. |
| |
Keywords: | Citrullus lanatus (Thunb.) Mansfeld Antioxidant activity Flavonoids Lycopene Phenolics Sampling area Vitamin C Watermelon Biodiveristy and nutrition Horticulture Cultivar difference Bioavailability Food analysis Food composition |
本文献已被 ScienceDirect 等数据库收录! |
|