Citrus sinensis
25 seeds
 
Medicinal
Citrus species contain a wide range of active ingredients and research is still underway in finding uses for them. They are rich in vitamin C, flavonoids, acids and volatile oils. They also contain coumarins such as bergapten which sensitizes the skin to sunlight. Bergapten is sometimes added to tanning preparations since it promotes pigmentation in the skin, though it can cause dermatitis or allergic responses in some people.

Some of the plants more recent applications are as sources of anti-oxidants and chemical exfoliants in specialized cosmetics.
The fruit is appetizer and blood purifier.
 It is used to allay thirst in people with fevers and also treats catarrh.
The fruit juice is useful in the treatment of bilious affections and bilious diarrhoea.
The fruit rind is carminative and tonic.
 The fresh rind is rubbed on the face as a cure for acne.
The dried peel is used in the treatment of anorexia, colds, coughs etc.
A decoction of the leaves with salt is taken orally for digestive tract ailments, nerve disorders, fever, asthma, blood pressure, general fatigue and vomiting.
The crushed leaves or fruit juice is massaged into the skin to relieve itching.

Fruit juice or leaf decoction with sugar is taken orally for cold and loss of appetite, while crushed leaf decoction as a bath relieves headache and rheumatism.
Macerated root, leaf or fruit mesoderm is taken orally for urethritis. 
Macerated fruit mesoderm or bark decoction is taken orally for liver ailments.

Broken bones are massaged with roasted fruit.
Leaf oil exhibits carminative properties and light antispasmodic and sedative properties