Evaluation of different hydrocolloids to improve dough rheological properties and bread quality of potato–wheat flour
- Liu, Xingli
- Mu, Taihua
- Yamul, Diego Karim
- Sun, Hongnan
- Zhang, Miao
- Chen, Jingwang
- Fauconnier, Marie Laure
- Perez, Vanina Andrea
DOIAbstract
The aim of study was to investigate the effect of hydroxylpropylmethylcellulose (HPMC), arabic gum (AG), konjac glucomannan (KG) and apple pectin (AP) at 2% (w/w, potato–wheat flour basis) on the potato–wheat dough (the mass ratio was 1:1) rheological, fermentation and bread making properties. The tan δ of potato–wheat dough was significantly increased upon addition of adding HPMC which was close to wheat dough (0.531). Moreover, dough height during fermentation process was significantly improved on addition of hydrocolloids, with the order of HPMC (23.1 mm) > AP (19.3 mm) > AG (18.6 mm) > KG (13.6 mm). Protein bands of potato–wheat dough were pale in the presence of hydrocolloids, suggesting the formation of higher molecular weight aggrega...
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