COMMON NAME: Indigo
OTHER NAME: Nili, Indian Indigo.
BOTANICAL NAME: Indigofera tinctoria Linn.
PLANT FAMILY: Fabaceae
OVERVIEW: People have used indigo alone or in combination with henna to dye their hair black since thousands of years.
INTRODUCTION: Indigofera tinctoria bears the common name True indigo. The plant was one of the original sources of indigo dye. Indigofera is a shrub up to 1 meter high. It has light green pinnate leaves and sheaf of pink or violet flowers.
PHYTOCONSTITUENTS: Indigotin. Indigofera tinctoria plants contain the glucosides indicant. After soaking the plants in water, enzymic hydrolysis transforms indicant into indoxyl and glucose. Indigotin (often also called indigo or indigo-blue) formation results from the grouping of two molecules of indoxyl in the presence of oxygen.
PARTS USED: Dried Leaf .
PRECAUTIONS: None known.
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