Journal
FOOD RESEARCH INTERNATIONAL
Volume 100, Issue -, Pages 460-467Publisher
ELSEVIER
DOI: 10.1016/j.foodres.2017.07.035
Keywords
Smallanthus sonchifolius; Focal group; Yogurt; Satiety
Categories
Funding
- Brazilian Agricultural Research Corporation (EMBRAPA SEG) [03.14.13.008.00.00]
- National Council for Scientific and Technological Development (CNPq) [447191/2014-4]
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Syrup obtained from yacon roots could be well positioned as a nutritional product due to its high fructooligo-saccharides (FOS) content. Considering this, we examined the potential food applications of yacon syrup, using the focal group methodology, and its sensorial acceptability when incorporated in yogurt. The beneficial effects of the consumption of yacon syrup were studied over a 2-week period in a double-blind placebo-controlled experiment (namely Test A) and other consistent of only one day of yacon syrup consumption (namely Test B) were also evaluated. The doses of yacon syrup for both experiments were 8.74 g of FOS/day. Energy intake, hunger, satiety, fullness and prospective food consumption were assessed with analogue scales at the end of each test. The results indicate that the yogurt was the food most suggested by the focus group, and. the average of the scores given to the attributes when the yacon syrup was incorporated into a yogurt were: 7.78 for appearance; 7.72 for aroma; 7.02 for flavor and 6.96 for overall acceptability, corresponding to like very much and like moderately. Furthermore, the results indicate that yacon syrup has a positive effect on appetite and its effect was dependent on gender and period of intervention, being statistically significant (P < 0.05) in women, after 2-week period. These findings suggested that increasing FOS intake could help to increase satiety, and consequently, be helpful in the management of type 2-diabetes or control of the current high prevalence of overweight or obesity.
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