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© 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.

Abstract

Onions are rich in bioactive compounds and have been found to prevent various chronic diseases, including obesity. We performed a systematic review and meta-analysis to investigate the antiobesity effect of onions. Studies were identified in PubMed/MEDLINE, Embase, Web of Science, and CENTRAL focusing on clinical trials evaluating the antiobesity effects of onion in obese subjects. The risk of bias in the studies was evaluated using Cochrane's Risk of Bias tool. The effect of onions was analyzed using data from the selected studies, and the results were indicated by weighted mean difference with 95% CI. The I2 static test was used to examine heterogeneity between the studies. A total of 38 studies were reviewed, of which five clinical trials meeting the criteria were selected. As investigational products, onion peels were used in four studies and onions were used in one study. Following systematic review, it was determined that the risk of bias was generally low, and body weight, BMI, waist circumference, and triglyceride levels were significantly reduced in the onion groups compared to the placebo. In conclusion, onion intake had an antiobesity effect by reducing body weight and body fat, and this effect was particularly pronounced with onion peel.

Details

Title
Antiobesity effects of onion (Allium cepa) in subjects with obesity: Systematic review and meta-analysis
Author
Min-Yu, Chung 1 ; Jin-Taek Hwang 2   VIAFID ORCID Logo  ; Park, Soo-Hyun 2   VIAFID ORCID Logo 

 Department of Food and Nutrition, Gangseo University, Seoul, Korea 
 Food Functionality Research Division, Korea Food Research Institute, Wanju, Korea 
Pages
4409-4418
Section
REVIEWS
Publication year
2023
Publication date
Aug 2023
Publisher
John Wiley & Sons, Inc.
e-ISSN
20487177
Source type
Scholarly Journal
Language of publication
English
ProQuest document ID
2849096196
Copyright
© 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.