In Côte d’Ivoire, eggplant is one of the most cultivated and consumed vegetables. However, this vegetable is very perishable. This work was developed to evaluate the effect of different UV-C concentrations on the conservation of eggplants with a view to identifying which one would provide better conservation of eggplants grown in Côte d'Ivoire. In this study, two eggplant varieties Solanum aetiopicum anguivi L (Klongbo) and Solanum macrocarpon L (Gbokouman) were treated with three doses of UV-C (960 Kj m-2; 1920 Kj m-2 or 2880 Kj m-2) in order to determine the optimal dose: non-deleterious while preserving or enhancing the qualitative attributes of the vegetable. The proximate composition and the infection rate were determined according to standard and referenced methods. Treatment at 960 Kj m-2 had no significant effect on fruit quality attributes compared to untreated fruit, while treatment at 2880 Kj m-2 accelerated fruit color changes and loss fruit mass. The treatment at 1920 Kj m-2 allowed the fruits to better preserve their quality over time. During this treatment, the infection rate was reduced by 45 % for the “Gbokouman” variety and 40 % for the “Klongbo” variety. With this same dose of UVC, mass loss was reduced by 10.74% for the “Klongbo” variety and 33.48 % for the “Gbokouman” variety. An increase in the content of phenolic compounds as well as that of antioxidant activity was also observed. The dose of 1920 Kj m-2 is therefore the optimal dose which would allow the “Gbokouman” and “Klongbo” eggplant varieties to be preserved for a long period of marketing and conservation.