color colour fruit mandarin mandarines orange yellow apple green Denmark double eat edible citrus food fruits juice oranges slice sour sweet Tangerine blue summer fruit four mandarine mandarins Tangerines citrus-fruit colors colours cultivated cut flavor flavoring flavour flavouring fresh halved healthy juicy mandarin-orange nutrition nutritional open peeled pips pith pithy seeds skin surface surfaces tangy taste tasty texture textures white Clementine health peel segment bulk citrus-reticulata quantities quantity ripe berry Chinese-apple citrus-sinensis clones grafted half mutation navel-orange seedless sweet-orange variety