Muhammad Fakhruddin Irfan Sazali, - and Maleeka Abdullah Hilmy, - and Norshafarina Shari, - and Lilik Herawati, - and Nurul Izza Nordin, - and Zulhabri Othman, - (2021) The effect of calorie restricted diet on anthropometric and biochemical parameters in Sprague Dawley rats. Nutrition & Food Science, 51 (8). pp. 1177-1193. ISSN 0034-6659

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Abstract

Purpose Calorie restricted diets are known to improve health and promote healthy aging. This happens because of controlled inflammation and metabolism in the body. This study aims to evaluate the differences in anthropometric and biochemical parameters in Sprague Dawley (SD) rats because of consumption of a calorie restricted diet. Design/methodology/approach The study divided SD rats (n = 15) into 3 groups consuming high calorie intake (HCI), medium calorie intake and low calorie intake (LCI). Anthropometric parameters were determined through measurement of abdominal circumference (AC), thoracic circumference (TC), body length and body weight (BW). Biochemical parameters analyzed in this study were fasting blood glucose level and full blood lipid profile. Nutritional status was obtained based on food consumption, energy intake (EI) and food efficiency rate. Measurements were taken for a period of four weeks. Findings Analysis on anthropometric parameters indicates a significant difference in mean BW between HCI (230.44 ± 1.47 g) and LCI (188.54 ± 1.50 g). There is a significant difference in abdominal TC ratio (p < 0.001; F = 13.599) in the LCI group (1.01 ± 0.00714) compared to the HCI group (1.04 ± 0.00858). Post hoc for nutrition parameters indicates a significant difference in mean EI between HCI (9.71 ± 0.006 kJ) and LCI (3.21 ± 0.001 kJ). There is a significant effect (p < 0.0001; F = 3042872.02) of EI on rats in all three groups. HDL levels were significantly higher (p < 0.0001; F = 1536.89) in the LCI group (68.60 ± 0.55 mg/dL) compared to the HCI group (49.40 ± 0.55 mg/dL). The Pearson’s correlation results show a strong positive correlation in EI with BW (p < 0.01; r = 0.988), AC (p < 0.01; r = 0.970) and body mass index (p < 0.01; r = 0.972). Originality/value Low calorie diet has been proven to affect anthropometric development and has shown improvements in biochemical parameters of the rats. This may result in healthy aging which could prevent later-life diseases.

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