Herbs are vital source of drugs from the ancient time holding the scenario of the Indian system of medicine. Nigella sativa commonly known as karayal is an annual flowering plant, native to southwest Asia. Seeds and their oil have a long history of folklore usage in various systems of medicines and are used in food as well as medicine. The present paper enumerates the medicinal, pharmacological, traditional value and folk remedies of this herb, which may help the researchers to set their minds for approaching the utility, efficacy and potency of Nigella sativa.
Sharma, N. K.; Ahirwar, D.; Jhade, D.; and Gupta, S.
"Medicinal and Phamacological Potential of Nigella sativa: A Review,"
Ethnobotanical Leaflets: Vol. 2009
, Article 11.
Available at: http://opensiuc.lib.siu.edu/ebl/vol2009/iss7/11