Bitter Orange flower (Aurantii flos)

Published July 14, 1993.
List of German Commission E Monographs (Phytotherapy)

Pomeranzenblüten

Name of Drug

Aurantii flos, bitter orange flower.
Aurantii flos aetheroleum, bitter orange flower oil.

Composition of Drug

Bitter orange flower consists of the dried flowers of Citrus aurantium L. subspecies aurantium (syn. C. aurantium L. ssp. amara Engler) [Fam. Rutaceae], as well as preparations thereof in effective dosage.

Bitter orange flower oil consists of the volatile oil of C. aurantium L. subspecies aurantium (syn. C. aurantium L. ssp. amara Engler), as well as preparations thereof in effective dosage. The oil is obtained by steam distillation of the fresh, fully opened flowers.

Pharmacological Properties, Pharmacokinetics, Toxicology

Not documented.

Clinical Data 1. Uses Preparations of orange flower and orange flower oil are used as a preventive measure for gastric and nervous complaints, gout, sore throat, as a sedative, for nervous tension and sleeplessness.

In combinations, orange flower and orange flower oil are mainly used for gastrointestinal disturbances, ulcus duodeni et ventriculi, for constipation, regulation of the lipid level in the blood, lowering the blood sugar in diabetics, blood purification, functional disorders of liver and gallbladder, stimulation of the heart and circulation, diseases of the respiratory tract, colds, frost bite, as a sedative for sleep disorders, kidney and bladder diseases, general feebleness, anemia, imbalances of mineral metabolism, impurities of the skin, loss of hair, and externally for inflammations of the eye (lid, conjunctiva, and cornea), retinal hemorrhage, exhaustion accompanying colds, headaches, neuralgia and muscular pain, rheumatic discomforts, bruises, phlebitis, and decubitus.

The effectiveness for the claimed applications has not been validated.

2. Risks

None known.

Evaluation

Since the effectiveness for the claimed uses has not been demonstrated, a therapeutic application cannot be recommended.

There are no concerns about the use of the herb as a taste or flavor additive.