کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
6396286 | 1628480 | 2014 | 7 صفحه PDF | دانلود رایگان |
![عکس صفحه اول مقاله: Wheat dough rheology at low water contents and the influence of xylanases Wheat dough rheology at low water contents and the influence of xylanases](/preview/png/6396286.png)
- Wheat dough rheology was investigated from 34% to 44.8% water content.
- Farinograph, dynamic oscillation, and creep-recovery measurements were performed.
- Low water contents reduced the amount of free water but not the hydration mechanism.
- Results at low water contents are in line with extrapolated data from literature.
- Xylanases mainly released water with water reductions of 2%-5% (on water basis).
The effect of low water contents and xylanases on wheat dough rheology is reported. Farinograph, dynamic oscillation, and creep-recovery measurements were performed using water concentrations from 34 to 44.8% (total basis). A water reduction from 43.5-44.8% to 34% increased resistance upon mixing as evidenced by higher Farinograph Brabender Unit values, increased Gâ² and Gâ³-values, and decreased the maximum creep compliance by 1-2 orders of magnitude. Addition of an endoxylanase with a higher selectivity for water-unextractable arabinoxylans and an endoxylanase with a higher selectivity for water-extractable arabinoxylans both resulted in lower Gâ² and Farinograph dough consistencies and an increase in maximum creep compliance. The major influence of both xylanases was the release of water with possible water reductions of 2-5% (on water basis), though no distinct differences between the two xylanases were observed.
Journal: Food Research International - Volume 66, December 2014, Pages 478-484