Botanical Name :- Hydnocarpus wightianus Blume., Family :- Achariaceae.
Synonyms :- Hydnocarpus laurifolius Sleumer.
Regional Name :- English : Chaulmugra, Hindi : Chalmogra, Chalmoogra, Jangali badam, Chaalmograa, Sanskrit : Tuvaraka, Turveraka, Tuvrak, Kushtavairi, Urdu : Chaalmagraa, Bengali : Chaulmugraa, Kannada : Garudphala, Toratti, Suranti, Malayalam : Kodi, Vrikshamroti, Marotti, Marathi : Kadukavatha, Tamil : Nirati Muthu, Telgu : Nirudu, Niridi.
Part Used :- Seed.
Description :- It is a deciduous evergreen tree up to 15 m or more in height. The plants are found in the mountains of Western Ghats from Maharashtra to Kerala and hilly regions of Assam and Tripura. It is also cultivated in Uganda, Nigeria, Sri Lanka and few other South East Asian countries up to 600 m. Seeds obtusely angular, elongate - obovate, dark brown, 8 to15 mm in width and 12 to 28 mm in length; testa longitudinally ridged and stony; cotyledons two, thin, papery; endosperm, abundant and oily; odour, indistinct; taste, acidic.
Phytoconstituents :- It contains Epegenin, hydnocarpin, hypnocarpic acid, chaulmoorgic acid and its homologues, isohydnocarpine methoxyhydnocarpin and fixed oils. It also contains oleic acid and palmitic acids.
Ayurvedic Properties :- Rasa : Tikta, Madhura, Kasaya, Guna : Snigdha, Tiksna, Virya : Usna, Vipaka : Katu, Karma : Vatahara, Kaphahara, Rasayana, Ubhayatobhagahara.
Ayurvedic Applications :- Anaha, Arsa, Grdhrasi, Gandamala, Gulma, Jvara, Kandu, Kaphavataja roga , Krmi, Kustha, Sotha, Prameha, Raktavikara, Tvak roga, Udara , Udavarta,Vrana.
Medicinal Uses :- Distension of abdomen due to obstruction to passage of urine and stools, Piles,, Sciatica, Cervical lymphadenitis, Abdominal lump, Fever, Itching, Helminthiasis, Leprosy , diseases of skin, Oedema, Metabolic disorder, Blood Disorders, Skin diseases, Urticaria, A condition like partial intestinal obstruction, Ulcer.