Although further studies are required, low Ca consumption in this strain of rats could modulate BW inducing changes in several lipid metabolism parameters, which in turn lead to an increase in body fat.
The prevalence of obesity and its associated health problems is rising to epidemic proportions throughout the world. Soy hulls, an industrial waste from oil extraction, contain a high proportion of fiber--soluble and insoluble--and may be a potential ingredient of functional foods for the prevention of obesity. However, crude soybeans, as do all legumes, present challenges to their use because of intensive antitrypsin and antichimotrypsin activity that impairs normal growth in humans and other mammals, requiring inactivation. To evaluate possible antinutritional effects of soybean hulls, diets with 10 percent fiber from soybean hulls or cellulose were offered to weanling IIMb/Beta obese rats during their prepubertal timeframe. The fact that no significant differences were found in growth, blood parameters nor in fat depots' weight and lipid content plus the proven beneficial effects on obese adult rats suggest that soy hulls may be a useful ingredient of functional foods for the prevention and treatment of human obesity.
Introduction: Sugar-sweetened beverages (SSBs) contain significant amounts of free sugars. SSBs consumption is strongly associated with overweight/obesity, dental caries, type 2 diabetes mellitus, cardiovascular disease, and other illnesses. The aim of this work was to evaluate the content of free sugars in Argentinian SSBs.
Methods: fructose, glucose and sucrose concentrations were measured in 53 samples from carbonated and non-carbonated SSBs through colorimetric techniques; regular (n=26) and low-calorie (n=27) beverages, classified according to nutritional label, were included. The total amount of sugars was calculated and compared with the declared value.
Results: regular and low-calorie SSBs differ in their glucose, fructose and sucrose concentrations, but do not differ in their free fructose concentrations. Furthermore, SSBs display higher concentrations of fructose compared to glucose, with a fructose/glucose ratio of 1.45.
Conclusions: Regular and low-calorie SSBs differ respect of the free fructose content. This study, also, provides evidence of the variability in sugar composition in similar beverages of different brands, which can be a confounding factor for consumers. Besides the importance of the sugar content of food, it is necessary to evaluate the other components present to assess comprehensively their nutritional quality.
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