Orange peel zest cells Science Image

Ref: p00449a



Orange peel. Coloured Scanning Electron Micrograph (SEM) of "zest" cells in the peel of an orange, Citrus sp.. In this section the zest cells have been cut across and appear as the round, concave orange structures. They are glandular, secreting the oil which gives orange peel its tangy flavour. Magnification: x40 at 10x7cm master size