Effect of black cumin (Nigella sativa) and high fat supplemented diet on lipid profile, C-reactive protein and cardiac histopathology in rabbits


Published: Jul 11, 2024
Keywords:
Nigella sativa C-reactive protein levels high fat diet lipid profil
S Fatima
I Naureen
M Naeem
Sadaf
R Ullah
Abstract

Present study determined effects of Nigella sativa on risk factors associated with cardiovascular disease. A typical marker for predicting cardiovascular risk is lipid profile. An independent predictor of future coronary heart disease has recently been found to be the inflammatory marker C-reactive protein. People who consume a high fat diet have been shown to have higher amounts of the CRP (C-reactive protein) levels and lipid profile. Current was purposefully designed to evaluate the effects of Nigella sativa and high fat diet and their co-administration in 7 months old rabbits (Oryctolagus cuniculus) for 30 days. Effects of Nigella sativa and high fat diet were analyzed on the structure of heart, lipid profile and C-reactive protein in rabbits. For this purpose, rabbits (n=15) were kept in animal house under standard laboratory condition. 15 rabbits were divided into three groups, one control and two experimental groups. Control group was treated with standard diet. Experimental group 1 was treated with high fat diet and experimental group 2 was treated with 5% Nigella sativa and high fat diet. Body weight showed significant (P>0.05) increase in group 1 fed high fat diet and significant (P>0.05) decrease in body weight was observed in group2 (5% Nigella sativa). Cholesterol, triglycerides, LDL, VLDL and C-reactive protein showed significant (P>0.05) increased in group1 (fed high fat diet) and in contrast significant decreased level of HDL was found in group1 (fed high fat diet). Group 2 (5% Nigella sativa) showed significant (P>0.05) decrease in C-reactive protein levels, cholesterol, triglycerides, LDL, VLDL compared to the high fat diet group. Histomorphological study of heart showcd moderate congestion, loss of sarcoplasm and fragmentation in many cardiac muscle fibers in group 1(fed high fat diet) however group 2 (5% Nigella sativa) heart tissues showed no morphometric changes in the heart structure which indicate that 5% Nigella sativa might rescue or protect the heart structure from damage. It was concluded from present study that 5% Nigella sativa had anti-atherogenic cardioprotective properties. Using this plant with fat-rich diets simultaneously may reduce their adverse health effects.

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