mendhi :

Phytochemistry:

Study showed main plant constituents to be carbohydrates, glycosides, tannins, phenolic compounds, gums and mucilage.
- Distillation yields a perfume.
- Leaves yield a dye, henna; its coloring properties derive from lawsone, primarily found in the leaves.
- Leaves contain 2% resin.
- Flowers contain an essential oil.
- Volatile oil of the flowers smells oftrimethyl-amine, similar to the tea rose or mignonette.
- Seeds contain 10.5% fixed oil.
- Various parts of the plants have yielded a number of secondary metabolites – lawsone, xanthones, isoplumbagin and triterpenoids; from the flower oil, (Z)-2-hexenol, linalool, B-ionone.
- Study of essential oil from leaf and fruits yielded major components of 1,8-cineole and α-pinene and p-cymene.