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Abstract Title:

Role of dietaryα- and γ-tocopherol from Rosa mosqueta oil in the prevention of alterations induced by high-fat diet in a murine model.

Abstract Source:

Nutrition. 2018 Sep ;53:1-8. Epub 2018 Apr 3. PMID: 29625348

Abstract Author(s):

Gladys Tapia, David Silva, Nalda Romero, Paulina Pettinelli, Camila G Dossi, Manuel de Miguel, Daniel González-Mañán

Article Affiliation:

Gladys Tapia

Abstract:

OBJECTIVE: The aim of this study was to evaluate the contribution of tocopherols present in Rosa mosqueta oil (RM) in the prevention of high-fat diet (HFD)-induced alterations.

METHODS: Male C57 BL/6 J mice (n = 9/group) were fed for 12 wk and divided into four groups: control (CD; 10% kcal fat, 20% kcal protein, 70% kcal carbohydrates); HFD (60% as fat, 20% kcal protein, 20% kcal carbohydrates); HFD + RM (0.01 mL/g body weight/d); and HFD + RMwithout tocopherols (0.01 mL/g body weight/d). Parameters of obesity, liver steatosis (histology, triacylglycerols content), inflammation (adipose NLRP3 inflammasome, tumor necrosis factor-α and interleukin-1 β expression, hepatic nuclear factor-κB) and oxidative stress (hepatic Nrf2 activation, carbonylated proteins)were evaluated.

RESULTS: Liver steatosis, inflammatory, and oxidative stress parameters were significantly (P < 0.05) increased in the HFD + RMcompared with the HFD + RM, with no differences between HFD and HFD + RM.

CONCLUSION: The present study suggests thatα- and γ-tocopherols from RM may have an important role in the prevention of alterations induced by HFD.

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