Annatto carotenoids attenuate oxidative stress and inflammatory response after high-calorie meal in healthy subjects.

Miguel Roehrs, Lisiane Conte, Dariane Trivisiol da Silva, Thiago Duarte, Luana Haselein Maurer, José Antonio Mainardi de Carvalho, Rafael Noal Moresco, Sabrina Somacal, Tatiana Emanuelli

Journal: Food research international (Ottawa, Ont.) 2019;100(Pt 1):771-779

PMID: 28873749

Abstract

The aim of this study was to evaluate the effect of annatto carotenoids intake associated to a single high-calorie meal (high fat and high carbohydrate) in postprandial biochemical, inflammatory and oxidative stress markers. Twelve healthy subjects (6 men, 6 women) were included in this randomised, controlled crossover study. Baseline blood samples were collected from fasting subjects that immediately received high-calorie meal without carotenoid (placebo) or containing 1.2mg/kg bixin (BIX) or 0.06mg/kg norbixin (NBIX). Blood samples were taken 60, 120 and 240min after meal intake. NBIX intake did not affect biochemical blood markers but reduced the postprandial levels of inflammatory cytokines (IL-1, IL-6 and TNF-α) and lipid oxidation 60-120min after meal. BIX only partially prevented postprandial-induced lipid oxidation. Results indicate that the intake of NBIX may be an alternative to reduce the postprandial inflammatory and oxidative stress responses to high-calorie meals.

Copyright © 2017 Elsevier Ltd. All rights reserved.

Address: Graduate Program on Pharmacology, Centre of Health Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil; Integrated Centre for Laboratory Analysis Development (NIDAL), Department of Food Technology and Science, Centre of Rural Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil.; Integrated Centre for Laboratory Analysis Development (NIDAL), Department of Food Technology and Science, Centre of Rural Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil.; Graduate Program on Pharmacology, Centre of Health Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil.; Department of Clinical and Toxicological Analysis, Centre of Health Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil.; Graduate Program on Pharmacology, Centre of Health Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil; Integrated Centre for Laboratory Analysis Development (NIDAL), Department of Food Technology and Science, Centre of Rural Sciences, Federal University of Santa Maria, 97105-900 Santa Maria, RS, Brazil. Electronic address: [email protected].

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