Botanical Name :- Asteracantha longifolia Nees., Family :- Acanthaceae.
Regional Name :- Hindi : Talmakhana, Sanskrit : Iksura, Iksuraka, Kokilaksi, Culli Urdu : Talmakhana, Gujrati : Talmakhana Kannada : Kolavankae, Nirmulli, Kolavalike, Malayalam : Nirchulli, Vayalchulli, Marathi : Talimakhana Oriya : Koillekha, Tamil : Nirmulle, Telugu : Nirugobbi, Nite, Gobbi.
Part Used :- Seed.
Description :- Talmkhana is a spiny, stout, annual herb, growing to a height of 3-5 feet. It is found in waterlogged places throughout the country. Seeds are Ovate, flat or compressed, truncate at the base, 2-3 mm long and 1-2 mm wide, white, hairy but appearing smooth, when soaked in water immediately get coated with mucilage, light yellowish-brown; taste, slightly bitter and odour not distinct.
Phytoconstituents :- Seed contains yellow semi-drying oil, enzymes like Diastase, Lipase, Protease and an Alkaloid. It also contains linoleic acid (11%), palmitic acid (8%) and stearic acid (0.6%), Asterol I-IV, Asteracanthine and asteracanthinine (alkaloids), Lupeol at 0.044%, β-sitosterol (0.031%).
Ayurvedic Properties :- Rasa : Madhura, Guna : Picchila, Snigdha, Virya : Sita, Vipaka : Madhura, Karma : Balya, Kaphahara, Santarpana, Vrsya, Ruchya.
Ayurvedic Applications :- Sotha, Vatarakta, Pittasmari.
Medicinal Uses :- It is used in the treatment of general debility, jaundice, Diarrhoea, Constipation, Gonorrhea, Dysentery, Anuria, distention of abdomen, swelling, hepatomegaly and bloating of the abdomen, difficulty in urination and impotency.