International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Open Access | Double Blind Reviewed

ISSN: 2319-7064


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Masters Thesis | Biomedical Sciences | Indonesia | Volume 10 Issue 1, January 2021


Intermittent Fasting with Moderate-Intensity Physical Exercise Increased Melatonin but Did Not Reduce Body Mass Index in Obese Rats

Novana O. Mantiri | Wimpie Pangkahila [22] | Alex Pangkahila [3]


Abstract: Background: Intermittent Fasting (IF) is a dietarymethod studied to positively affect circadian rhythm and metabolism by increasing melatonin hormone that may promote weight loss in obese individuals. Objective: This study aimed to measure IF with moderate-intensity exercise on increasing melatonin levels and reduce Body Mass Index (BMI). Methodology: An experimental study with pre and post-test control group design was conducted on 36 obese male Wistar rats aged 4-5 months. The subjects weredivided randomly into two groups, the study and control groups, with 18 subjects in each group. The study group underwent IF for 12 hours with moderate-intensity physical exercise, while the control group was given a standard diet with moderate-intensity physical exercise. After four weeks of intervention, melatonin levels assessedusing ELISA (enzyme-linked immunosorbent assay) ; meanwhile, BMI was measured before and after treatment. The comparative test was conducted to compare the results between groups. Results: The results showed that the mean pretest and post-test melatonin levels in the study group increased significantly (0.3530.01vs.0.4790.01; p<0.001). Melatonin levels in the study group at the end of the study also showed a significant increase compared to the control group (0.1940.03 vs.0.4790.01; p<0.001). However, the mean pretest and post-test BMI in the study group did not show any significant differences (0.3530.01 vs.0.3510.0; p=0.965). The BMI comparison between the study and control groups also did not show any significant differences (0.3510.01 vs.0.3540.01; p=0.432). Conclusion: IF with moderate-intensity exercise increased melatonin levels but did not reduce BMI in obese male Wistar rats. The duration and diet regimes of IF need to be further evaluated.


Keywords: Intermittent fasting, Obesity, Melatonin, Body mass index, Metabolism, Moderate physical activity


Edition: Volume 10 Issue 1, January 2021,


Pages: 786 - 789


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How to Cite this Article?

Novana O. Mantiri, Wimpie Pangkahila, Alex Pangkahila, "Intermittent Fasting with Moderate-Intensity Physical Exercise Increased Melatonin but Did Not Reduce Body Mass Index in Obese Rats", International Journal of Science and Research (IJSR), Volume 10 Issue 1, January 2021, pp. 786-789, https://www.ijsr.net/get_abstract.php?paper_id=SR21112182656

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