الفهرس 
Cover Page Title in EnglishOnly 14 pages are availabe for public view
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Abstract
It is increasingly obvious that the regular consumption of fruits and vegetables may provide some protection against degenerative diseases and is noteworthy that the use of medicinal plants or their crude extracts in the prevention and/or treatment of several chronic diseases in various ethnic societies worldwide enjoyed a positive and welcomed come-back to nature.
Our study was carried out on Albino rats of both sexes to evaluate the chemoprotective and toxic effects of Nigella sativa L. seeds and turmeric powder which are considered to be of the most important medicinal plants as they are extremely safe and have no adverse reactions. Both plants were prescribed for prevention and/or treatment of many conditions including cough, bronchial asthma, rheumatic pain, poor vision, diabetes and cancer, and to strengthen the immune system, increase milk production as well as using them for numerous medical problems ranging from constipation to skin diseases.
Rats were subjected to receive the Nigella ativa seeds as fresh finely crushed at dose levels of 2 and 5% and turmeric powder at a concentration of 10 and 20% daily in their diets along 4 weeks.
Weekly along the experimental duration, serum samples were taken for some biochemical constituent analysis especially those related to liver and kidney functions, also the liver, kidneys, lungs and bran