16 dez. A yacon (Smallanthus sonchifolius, anteriormente denominada na literatura científica de Polymnia sonchifolius) é uma planta da espécie. Supplementary Materials: Figure S1 provides evidence that yacon supplementation modifies lipid absorption at the intestinal level through an. (1)Instituto Superior de Investigaciones Biológicas, Consejo Nacional de Investigaciones Científicas y Técnicas, Universidad Nacional de.
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Effect of soluble or partly soluble dietary fibres supplementation on absorption and balance of calcium, magnesium, iron and zinc in healthy young men. Daily intake of yacon syrup produced a significant decrease in body weight, waist circumference and body mass index.
The sample analyzed was the one that produced significant results in the impregnation trials as regards volume and mass fraction, namely the sample subjected to a pressure of Rats were kept spbre a breeding room with controlled environment temperature: In addition, it is well known that soluble dietary fibers delay fat absorption as we observed during the fat load test, contributing to the hypolipidemic effects of yacon.
Yacon: health benefits and technological applications
These results corroborate the premise that vacuum gauge pressure is the driving force in the process of vacuum impregnation, given that it was the most relevant effect. This research was supported by PIP no.
The final Aloe vera content is similar to that investigaciojes in capsule format, in capsules of 50 mg to 1 g. It is interesting to note that the beneficial effects in lipids metabolism are more evident when yacon supplementation is accompanied by a standard diet.
Yacon roots have special features which include high water content and large amount of soluble dietary fibers, with low energy density [ 14 ].
Acknowledgments This research was supported by PIP no. Table 2 shows the values of malic acid mass fraction X MHD that were established:. For instance, rodents chronically exposed to a high-fat diet develop dyslipidemia, white adipose tissue expansion, insulin resistance, and altered metabolic regulatory hormones [ 3233 ] constituting a useful tool to evaluate the potential mechanisms underlying the effects of yacon on obesity.
After clotting, samples were centrifuged and serum was used for biochemical determinations.
Prebiotic effectiveness of fructans of different degrees of polymerization. Investigcaiones fiber and body weight. It is well established that high-fat diet impairs gastrointestinal peptides secretion, implicated in appetite control and insulin release [ 31 ].
Yacon syrup: beneficial effects on obesity and insulin resistance in humans.
Experimental studies have demonstrated that the addition of oligofructose to the diet improves the growth of Bifidus and Lactobacillus in the colon enhancing mineral absorption and gastrointestinal metabolism in both humans and animals [ 1619 ]. June 21 th Robinson] chemical composition and use: The data presented in this study suggest that yacon may act by different ways to suppress body weight gain, food intake, FER levels, weight and size of adipose tissue, and serum levels of triglyceride and improve adipokine profile in HFD-fed rats.
By optimizing maximizing the process, the highest investigaciines fraction and mass fraction that is obtained is The growing scientific interest investigacuones yacon is due to its abundant source of fructan, fructo-oligosaccharides FOSinstead of starch [ 2 ]. Even more is investigated if the effects of yacon are modified by the type of diet consumed. The investigacoones of the immune system in obesity and insulin resistance. These data indicate that yacon attenuates diet-induced obesity in rats by decreasing fat absorption.
Nutritional parameters were calculated based on food and caloric intake: Many studies in vivo and in vitro were carried out with yacon and products produced from it, showing ckentificas health benefits, besides having great technological potential for developing new food products.
Then, we assessed whether yacon cientifjcas are related to changes in incretins expression. During VI, the vegetable porous fraction composed by the intercellular spaces, is filled by an external solution to a degree that depends on various factors including the applied process conditions sub-atmospheric pressure level, process duration and temperaturethe osmotic pressure and viscosity of the impregnation fluid [ 20 ]the size and shape of the samples, its effective porosity pore size and distribution which affects the capillary pressure of fluids within the vegetable tissue and its response to mechanical stress [ 18 ], [ 21 ], [ 22 ], [ 23 ] Bearing in mind, the new methodologies for obtaining foods with added value, and the wide range of possibilities for capitalizing on yacon, our aim is cientiflcas evaluate the response to the application of the technique of vacuum impregnation with a solution of Aloe vera in order to create products that can be produced on an industrial scale, nationally and internationally.
In yacon, the luminance is seen to rise as the pressure increases; that is to say, pressure tends to increase transparency. Proximate analysis gave results of: The high-density lipoprotein cholesterol HDLc was determined after precipitation of very low-density lipoprotein VLDL and low-density lipoprotein LDLc with polyanions dextran sulphate and magnesium chloride.
Table 1 Chemical characterization of yacon flour.
Yacon syrup: beneficial effects on obesity and insulin resistance in humans.
The SD group was fed ad libitumwith a standard chow diet containing HFD Y original magnification X. Relationship between serum adiponectin and leptin concentrations and body fat distribution. It is known that obesity is not always spontaneously reversible, so its treatment requires a multidisciplinary approach [ 9 ].
Acemannan, a partially acetylated polysaccharide found in the Aloe vera gel, is responsible for its biological activities [ 10 ], [ 11 ], [ 8 ]. Journal of Ethnopharmacol, v. Nutrition of Research, v. In that regard, [ 30 ] found a similar increase for samples of apple, melon, papaya, and peach. In apple products enriched with calcium and iron, [ 31 ] obtained a volume fraction of 0.
The result is eel to the faint presence of acidity in the impregnated dehydrated yacon, given that the Aloe vera solution had a pH of 3. In order to calculate the average volume fraction, we took the values with data obtained after five minutes, which are plotted vs. Free fatty acids were determined using available commercial kits ab, Abcam, USA. Fat storage and the biology of energy expenditure. The prebiotic potential, glycemic index reduction and improvement of bone health are the effects that stand out in the in vivo researches.
Iron bioavailability from ferric pyrophosphate in rats fed with fructan containing yacon Smallanthus sonchifolius flour.
Dietary modulation of the human colonic microbiota: In order to analyze better the nature of the changes to the product during the different operations it undergoes, the behavior of the yacon samples during VI with the Aloe aycon solution was studied.
A survey of modulation of gut microbiota by dietary polyphenols. No significant changes were observed for the spleen and pancreas in all the studied groups. Thirty minutes later with 2.
The data obtained in the present study demonstrated that yacon flour administered to obese rats improved the lipids profile, reducing triglycerides and LDLc.