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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Zelicha, Hila Kloting, Nora Kaplan, Alon Yaskolka Meir, Anat Rinott, Ehud Tsaban, Gal Chassidim, Yoash Bluher, Matthias Ceglarek, Uta Isermann, Berend Stumvoll, Michael Quayson, Rita Nana von Bergen, Martin Engelmann, Beatrice Rolle-Kampczyk, Ulrike E. Haange, Sven-Bastiaan Tuohy, Kieran M. Diotallevi, Camilla Shelef, Ilan Hu, Frank B. Stampfer, Meir J. Shai, Iris |
| Abstract | Background Mediterranean (MED) diet is a rich source of polyphenols, which benefit adiposity by several mechanisms. We explored the effect of the green-MED diet, twice fortified in dietary polyphenols and lower in red/processed meat, on visceral adipose tissue (VAT). Methods In the 18-month Dietary Intervention Randomized Controlled Trial PoLyphenols UnproceSsed (DIRECT-PLUS) weight-loss trial, 294 participants were randomized to (A) healthy dietary guidelines (HDG), (B) MED, or (C) green-MED diets, all combined with physical activity. Both isocaloric MED groups consumed 28 g/day of walnuts (+ 440 mg/day polyphenols). The green-MED group further consumed green tea (3–4 cups/day) and Wolffia globosa (duckweed strain) plant green shake (100 g frozen cubes/day) (+ 800mg/day polyphenols) and reduced red meat intake. We used magnetic resonance imaging (MRI) to quantify the abdominal adipose tissues. Results Participants (age = 51 years; 88% men; body mass index = 31.2 kg/m2; 29% VAT) had an 89.8% retention rate and 79.3% completed eligible MRIs. While both MED diets reached similar moderate weight (MED: − 2.7%, green-MED: − 3.9%) and waist circumference (MED: − 4.7%, green-MED: − 5.7%) loss, the green-MED dieters doubled the VAT loss (HDG: − 4.2%, MED: − 6.0%, green-MED: − 14.1%; p < 0.05, independent of age, sex, waist circumference, or weight loss). Higher dietary consumption of green tea, walnuts, and Wolffia globosa; lower red meat intake; higher total plasma polyphenols (mainly hippuric acid), and elevated urine urolithin A polyphenol were significantly related to greater VAT loss (p < 0.05, multivariate models). Conclusions A green-MED diet, enriched with plant-based polyphenols and lower in red/processed meat, may be a potent intervention to promote visceral adiposity regression. Trial registration ClinicalTrials.gov , NCT03020186 |
| Related Links | https://bmcmedicine.biomedcentral.com/counter/pdf/10.1186/s12916-022-02525-8.pdf |
| Ending Page | 11 |
| Page Count | 11 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17417015 |
| DOI | 10.1186/s12916-022-02525-8 |
| Journal | BMC Medicine |
| Issue Number | 1 |
| Volume Number | 20 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2022-09-30 |
| Access Restriction | Open |
| Subject Keyword | Medicine Public Health Biomedicine Mediterranean Obesity Plant-based diet Polyphenols Visceral adipose tissue Medicine/Public Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Medicine |
| Journal Impact Factor | 7.1/2023 |
| 5-Year Journal Impact Factor | 8.8/2023 |
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