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KMID : 1161420180210121266
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Journal of Medicinal Food
2018 Volume.21 No. 12 p.1266 ~ p.1275
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Effects of Rudgea viburnoides (Cham.) Benth. (Rubiaceae) Leaves on Metabolic and Inflammatory Dysfunction Induced by High Refined Carbohydrate-Containing Diet in Mice
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Almeida Juliana M. A.
Ferreira Adaliene V. M.
Oliveira Verena B.
Oliveira Marina C.
Teixeira Mauro M.
Brandao Maria G. L.
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Abstract
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Obesity is characterized by a chronic low-grade inflammation, which has been shown to be involved in the development of comorbidities such as insulin resistance, glucose intolerance, and liver damage. Phytochemicals found in plants may modulate inflammation and improve health problems associated with the excess of adiposity. Teas prepared with many plants are used in Brazil for losing weight. In this study, we evaluated the potential of Rudgea viburnoides (Cham.) Benth. on metabolic and inflammatory disarrangement induced by high refined carbohydrate (HC)-containing diet in mice. BALB/c mice were fed with chow or HC diet for 8 weeks. After this period, the HC diet was supplemented for 4 weeks with three different doses, 40, 80, and 160?mg/kg, of crude extract of R. viburnoides. Ethanol extract at the lowest dose (40?mg/kg) reduced adipocyte size, and improved glucose tolerance and insulin sensitivity. A lower concentration of proinflammatory mediators such as tumor necrosis factor-α, interleukin-6, and CCL2 in the liver and adipose tissue, and reduced levels of cholesterol and resistin in the serum were also observed. High concentrations of chlorogenic and caffeic acids, and the flavonoids, rutin and quercetin, were confirmed by high-performance liquid chromatography/diode array detector. Therefore, these data confirm the potential of R. viburnoides leaves as nutraceutical agents for the treatment of metabolic and inflammatory changes associated with obesity.
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KEYWORD
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bioactive compounds, inflammation, metabolism, obesity, R. viburnoides
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