Quality of gingernut type biscuits as affected by varying fat content and partial replacement of honey with molasses

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Abstract
Gingernut type biscuits were prepared with varying fat content (10, 20, and 30 % w/w flour basis) and with sugar beet molasses replacing 0, 25, and 50 % w/w of the honey in the formulation. To evaluate the effects of these modifications, dough properties, and the physical, and sensory properties, and chemical composition of the biscuits were determined. Dough properties were significantly affected by the fat content; higher fat gave softer dough with reduced adhesiveness, cohesiveness and springiness. Biscuit height and diameter were also significantly affected only by the fat content. The tested biscuit variants showed no difference with respect to hardness and fracturability. During storage, hardness, fracturability and brittleness of the biscuits significantly increased but significant differences within the biscuits variants were observed after two months of storage in terms of fracturability which was least impaired in the biscuits with 30 % fat. Higher fat content also contributed to better flavour keeping during storage. Substitution of honey with molasses resulted in products with darker colour, less yellow and more red tone. Molasses also contributed to better nutritive value of biscuits by increasing significantly the content of proteins, potassium, calcium, magnesium and iron.

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