Satsuma mandarin (Citrus unshiu Marc.), Hallabong [(C. Marc. × C. sinensis Osb.)×(C. reticulata Blanco)], Cheonhyehyang [((C. unshiu×C. sinensis)×C. reticulata)×(C. reticulate×C. sinensis)], and Redhyang (citrus hybrid 'Kanpei), which are citrus hybrids, mostly consumed in Korea. The flavor of peel depends on the composition content volatile essential oils. Limonene, ?-terpinene, ?-myrcene, lin...