Abstract: The respective effects of post-harvest citrus oil induction and vibration stress treatment on oleocellosis in Jincheng orange peel were studied based on collapse index and color index. Oleocellosis in Jincheng orange peel showed a gradual increase as the concentration of citrus oil increased. The most serious oleocellosis in citrus peel could arise from 100% citrus oil treatment. In addition, mechanical vibration stress also could induce oleocellosis in Jincheng orange peel. Mechanical vibration stress at 500 r/min revealed the most obvious effect on oleocellosis formation. Moreover, Jincheng oranges treated with citrus oil or mechanical vibration stress were also used to explore the effect of storage temperature on oleocellosis in their peels. As a result, Jincheng oranges stored at 20 or 5 ℃had the severest change in oleocellosis. However, Jincheng oranges had the slightest change in oleocellosis during 5 ℃ storage. Therefore, these results can provide a theoretical reference for exploring the mechanisms and control strategies of oleocellosis.

Key words: citrus, oleocellosis, vibration stress, citrus oil