A negative association of dietary advanced glycation end products with obesity and body composition in Iranian adults

Parivash Ghorbaninejad, Kurosh Djafarian, Nadia Babaee, Samira Davarzani, Mojdeh Ebaditabar, Cain Clark, Sakineh Shab-Bidar

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Abstract

Obesity caused by excessive deposited fat is generally classified as BMI ≥ 30 kg/m2. Research regarding the association between dietary advanced glycation end products (dAGE) and obesity is limited. The aim of the present study was to investigate the association between dAGE and obesity and body composition in Iranian adults. This cross-sectional study included 265 adults aged 18-75 years from Tehran, Iran. dAGE were estimated using a validated semi-quantitative FFQ, according to the published food carboxymethyl lysine-AGE database for 549 routinely consumed food items for the Northeastern American multiethnic urban population, and were reported by dividing total energy intake. Dietary intake, sociodemographic data and physical activity status were collected using validated questionnaires, and anthropometric characteristics were measured. Body composition was assessed by bioelectrical impedance analysis, and obesity was defined based on WHO guidelines. The intake of fat and meat was significantly increased in higher tertiles, compared with the first tertile of dAGE (P < 0·001). No association between dAGE and body composition measures and obesity was observed; however, there was a significant negative association between dAGE and BMI (BMI; P = 0·01), waist circumference (P = 0·01), waist:hip ratio (P = 0·03), fat-free mass (P = 0·02) and muscle mass index (P = 0·01) in non-linear models. In conclusion, higher consumption of dAGE was associated with increased intake of fat and meat and was negatively related to changes in body composition measurements. Therefore, dAGE may connect obesity to diet by energy imbalance.

Original languageEnglish
Pages (from-to)471-480
Number of pages10
JournalBritish Journal of Nutrition
Volume125
Issue number4
Early online date27 Jul 2020
DOIs
Publication statusPublished - 28 Feb 2021

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Keywords

  • Body composition
  • Dietary advanced glycation end products
  • Obesity
  • Receptor for advanced glycation end products

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Nutrition and Dietetics

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