Decalepis hamiltonii

Decalepis hamiltonii is a species of plant in the family Apocynaceae. It is endemic to Peninsular India and known by the names maredu kommulu, nannari kommulu and madina kommulu in Telugu, makali beru and vagani beru in Kannada and magali kizhangu in Tamil. The root is used in Ayurvedic medicines, to make pickles and to make the drink sharbat. The major component of the essential oil of the root is the fragrant phenolic compound 2-hydroxy-4-methoxybenzaldehyde, a positional isomer of vanillin. The English name swallowroot is sometimes used for the plant and studies have shown that it has insecticidal activity and a potential use in control of stored grain pests. The active ingredient in the root was synthesized and encapsulated with beta-cyclodextrins. The roots were also subjected to supercritical carbon-dioxide based extraction at the Central Food Technological Research Institute, Mysore, India. The root contains antioxidants and extraction methods for it have been patented. The risi......read more on Wikipedia.