Superoxide dismutase activity in mesocarp tissue from divergent Cucumis melo L. genotypes.
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abstract
Muskmelons (Cucumis melo L.) are well-known as excellent sources of several vitamins, minerals and non-enzymatic antioxidant phytochemicals such as vitamin C and pro-vitamin A. Less well-studied is their potential role as sources of enzymatic antioxidants such as superoxide dismutase (SOD), which have been associated with enhanced reactive oxygen species scavenging capacity in some muskmelon fruits. In this study, we investigated the variability in SOD activities among diverse advanced breeding lines and commercial muskmelon cultivars grown in two different soil types-clay or sandy loam. Specific and total SOD activities varied significantly among the genotypes (P