The ripe fruit of the Citrus vulgaris (Citrus Bigaradia). Imported from the South of Europe.

Characters. - It is like the sweet orange, but darker in colour and very bitter.

Aurantii Cortex, B.P.; Aurantii Amari Cortex, U.S.P.

Bitter Orange Peel

The dried outer part of the rind of the ripe bitter orange.

Characters. - Thin strips of dark orange colour, with a fragrant odour and an aromatic bitter taste. It should be nearly free from the white part of the rind.

Composition. - The inner part of the rind is white, spongy, and useless; the outer part is yellow when fresh, but brownish green when dried, and contains a fragrant volatile oil, a bitter neutral principle hesperidin, and a small quantity of some sort of tannin.

Preparations

B.P.

Dose.

Of the fresh peel -

Tinctura Aurantii Recentis...............................................

1-2 fl. dr.

Vinum Aurantii....................................................................

Of the dried peel -

Infusum Aurantii (1/2 oz. in 1/2 pint)................................

1-2 fl. oz.

,, ,, Compositum........................................

1-2 fl. oz.

,, Gentianae Compositum........................................

1-2 fl. oz.

Spiritus Armoraciae Compositus.........................................

Syrupus Aurantii (Tinct. 1, Syrup 7) ............

1 fl. dr.

Tinctura Aurantii..............................................................

1-2 fl. dr.

,, Cinchonae Composita.........................................

1/2-2 fl. dr.

,, Gentianae ,, .........................................

1/2-2 fl. dr.

U.S.P.

Extractum Aurantii Amari Fluidum.....................................

2-4 fl. dr. (8-15 c.c.)

Tinctura „ „ ..............................

1-2 fl. dr. (4-8 c.c.)