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Plant Foods Hum Nutr ; 71(4): 416-421, 2016 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-27679439

RESUMO

Fructans from agave have received specific attention because of their highly branched fructan content. We have previously reported that the degree of polymerization (dp) influences their biological activity. Therefore, the aim of this study was to investigate the effect of unfractionated and fractionated fructans (higher and lower dps) from Agave tequilana in high-fat diet-induced (HFD) obese mice. Fructans with a lower dp (HFD+ScF) decreased weight gain by 30 %, body fat mass by 51 %, hyperglycemia by 25 % and liver steatosis by 40 %. Interestingly, unfractionated fructans (HFD+F) decreased glucose and triglycerides (TG), whereas fractionated fructans with a higher dp (HFD+LcF) decreased TG but not glucose; in contrast, HFD+ScF decreased glucose but not TG. Our findings suggest that both higher and lower dp agave fructans have complementary effects in metabolic disorders related to obesity. These findings may contribute to the development of improved food supplements with a specific ratio combination of fructans with different dps.


Assuntos
Agave/química , Fígado Gorduroso/prevenção & controle , Frutanos/farmacologia , Hiperglicemia/prevenção & controle , Obesidade/prevenção & controle , Animais , Glicemia/metabolismo , HDL-Colesterol/sangue , LDL-Colesterol/sangue , Dieta Hiperlipídica , Frutanos/análise , Masculino , Camundongos , Camundongos Endogâmicos C57BL , Camundongos Obesos , Obesidade/induzido quimicamente , Extratos Vegetais/análise , Extratos Vegetais/farmacologia , Polimerização , Triglicerídeos/sangue , Aumento de Peso/efeitos dos fármacos
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