How to Extract Lawsone from Henna?

Extracting the lawsone from the Henna leaves can be carried out by the mass transfer of dyestuff from solid to liquid phase (solvent) [3]. This method of extraction is commonly called as solid-liquid extraction (leaching).

How do you make henna extract?

The oil-based extract was prepared by mixing 50 gm of dried leaves powder of Lawsonia inermis with 500 mL of n-hexane for 24 hours. The solvent was then removed with a negative pressure to make 3 gm of oily henna extract.

What is henna leaf extract?

Description: Extract obtained from the henna plant (Lawsonia inermis), a shrub also called henna tree or mignonette tree. The plant is the source of the dye henna used to dye skin, hair and fingernails.