Making reduced-sugar biscuits taste good
Researchers have found that reduced-sugar biscuits containing Taura’s JusFruit pieces are perceived to be just as sweet as full-sugar alternatives.
JusFruit pieces are made using Taura’s Ultra Rapid Concentration (URC) technology, which concentrates the natural sweetness of fruit. Including them in sugar-reduced recipes creates ‘sweet spots’ which increase the overall perception of sweetness.
In a consumer sensory panel, reduced-sugar biscuits containing the concentrated fruit pieces were not perceived to be less sweet than a full-sugar alternative, even though they contained 30% less sugar. Furthermore, they outscored both full-sugar and standard reduced-sugar options on overall taste and came closest to optimum sweetness.
Researchers set out to test the ability of the pieces to overcome the challenge of decreased sweetness and flavour in sugar-reduced biscuits. Twenty-six untrained panellists blind-tasted a full-sugar biscuit, a biscuit with 30% reduced added sugar, and a biscuit with 49% reduced added sugar with JusFruit pieces.
The two reduced-sugar recipes had similar sugar content due to the sugars that occur naturally in the fruit. An added benefit of the addition of JusFruit pieces was that it increased the fibre content of the biscuits by 60%.
The tasters were first asked to evaluate how sweet they thought each recipe was. The results revealed no significant difference between the full-sugar reference biscuits and the sugar-reduced biscuits with JusFruit pieces. However, the sweetness of the standard sugar-reduced biscuits was perceived to be significantly lower.
Sweetness was also evaluated on a seven-point hedonic scale, with a score of four corresponding to ‘just sweet enough’. The standard sugar-reduced biscuits scored 3.71, while the full-sugar biscuits scored 4.57, suggesting that they were considered too sweet. The biscuits with JusFruit pieces came closest to optimum sweetness with a score of 4.25. Furthermore, they outscored the other two recipes on overall taste.
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