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Metabolic effects of goat milk yogurt supplemented with yacon flour in rats on high-fat diet
Journal of Functional Foods ( IF 5.6 ) Pub Date : 2018-09-19 , DOI: 10.1016/j.jff.2018.08.042
Emanuel Fabersani , María Virginia Grande , María Victoria Coll Aráoz , Martin L. Zannier , Sara S. Sánchez , Alfredo Grau , Ruben Oliszewski , Stella M. Honoré

This study aimed to evaluate the effects of addition of yacon flour on the quality parameters of goat milk yogurt and investigate the metabolic effects of its regular consumption on high fat diet-fed Wistar rats (30 days). The formulation containing 7% (w/v) yacon flour had higher nutritional values, acceptable sensory attributes and higher count (107 cfu/g) of viable probiotic microorganisms, with shelf life of at least 30 days. 7% yacon flour addition improved goat yogurt sugar profile, reducing lactose (0.94%) and increasing prebiotic fructooligosacharides (4.55%) content in the final product. Supplementation of goat yogurt + yacon to a high fat diet resulted in lower body weight, body mass index, fasting glucose levels, HOMA-IR and atherogenic indices of rats, improving the effects of goat yogurt or yacon flour alone (P < 0.05). Our results showed conclusive evidence indicating that goat yogurt + yacon is an excellent functional food that avoids the metabolic impact of high fat feeding.



中文翻译:

羊奶粉加Yacon面粉对大鼠高脂饮食的代谢影响

这项研究旨在评估添加Yacon面粉对山羊奶酸奶质量参数的影响,并研究其定期食用对高脂饮食喂养的Wistar大鼠(30天)的代谢影响。含有7%(w / v)Yacon面粉的配方具有更高的营养价值,可接受的感官属性和更高的计数(10 7cfu / g)的可行益生菌微生物,保质期至少为30天。添加7%的Yacon面粉改善了山羊酸奶的糖度,减少了乳糖(0.94%)并增加了最终产品中益生元果糖的含量(4.55%)。在高脂饮食中补充山羊酸奶+ yacon可降低大鼠的体重,体重指数,空腹血糖水平,HOMA-IR和动脉粥样硬化指数,从而改善单独使用山羊酸奶或yacon面粉的效果(P <0.05)。我们的结果显示出确凿的证据,表明山羊酸奶+ yacon是一种出色的功能食品,可避免高脂喂养对代谢的影响。

更新日期:2018-09-19
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