Very high in vitamins A, B and C. In Chinese medicine, Li Shih-shen says
"The fruits of all the citrus are considered to be cooling. If eaten in
excess they are thought to increase 'phlegm', and this is probably not
advantageous to the health". Orange used to treat coughs, colds, anorexia and
malignant breast sores. Oil is both cold expressed and distilled from the
fresh peel. The distilled oil is known to be photo toxic but there is no
evidence that the cold pressed oil is. Like all citrus oils, orange oxidizes
quickly, so large amounts should be kept cool and dark for long storage.
