External maturity indicators, carotenoid and sugar compositions and volatile patterns in 'Cuoredolce®' and 'Rugby' mini-watermelon (Citrullus lanatus (Thunb) Matsumura & Nakai) varieties in relation of ripening degree at harvest
Keywords: Fruit weight; Fruit volume; Rind ground spot colour; Carotenoids; Sugar composition; Fermentative metabolites; E-nose;