Decalepis hamiltonii Wight & Arn. is the sole species of plant in the genus Decalepis. It is endemic to Peninsular India and known by its names of Maredu Kommulu, Nannari kommulu and Madina Kommulu in Telugu

Telugu language

Telugu is a Central Dravidian language primarily spoken in the state of Andhra Pradesh, India, where it is an official language. It is also spoken in the neighbouring states of Chattisgarh, Karnataka, Maharashtra, Orissa and Tamil Nadu...

 Makali ber in Kannada and Magali kizhangu in Tamil

Tamil language

Tamil is a Dravidian language spoken predominantly by Tamil people of the Indian subcontinent. It has official status in the Indian state of Tamil Nadu and in the Indian union territory of Pondicherry. Tamil is also an official language of Sri Lanka and Singapore...

 is a plant whose root is used in ayurvedic medicines and for use in pickles. It belongs to the family Asclepiadaceae

Asclepiadaceae

According to APG II, the Asclepiadaceae is a former plant family now treated as a subfamily in the Apocynaceae...

.

The English name of 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 antioxidant

Antioxidant

An antioxidant is a molecule capable of inhibiting the oxidation of other molecules. Oxidation is a chemical reaction that transfers electrons or hydrogen from a substance to an oxidizing agent. Oxidation reactions can produce free radicals. In turn, these radicals can start chain reactions. When...

s and extraction methods for it have been patented.