The results obtained from the different experimental systems suggest the radioprotective ability of EE-NS involving prevention of radiation-induced oxidative damage.

Nigella sativa name as black seed or Kalonji seed belongs to family of rananculacea. It is widely grown in different part of world and is an annual herb cultivated in India and Pakistan, Phytochemically; it contains fixed oil, protein, alkaloids saponin and essential oil. N. sativa has been reported to possess potent antioxidant, hepatoprotective, antiparasitic, anticancer, antidiabetic, antimicrobial, antiparasitic, analgesic and anti-inflammatory, anti-nociceptive, anti-ulcer, anti-histaminic etc. The present article reviews on morphology, cultivation, chemical constituent and therapeutic potential as well as clinical aspect and toxicity of N. sativa seed.

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