investigation on synergist effects of humectants with emulsifiers on technological, image processing and sensory properties of semi bulk bread

نویسندگان

مهدی قیافه داودی

بخش تحقیقات فنی ومهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان خراسان رضوی، سازمان تحقیقات، آموزش و ترویج کشاورزی، مشهد، ایران بهاره صحرائیان

دانشجوی دکتری علوم و صنایع غذایی، دانشگاه فردوسی مشهد فریبا نقی‏ پور

دانشجوی دکتری علوم و صنایع غذایی، دانشگاه فردوسی مشهد مهدی کریمی

بخش تحقیقات فنی ومهندسی کشاورزی، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان خراسان رضوی، سازمان تحقیقات، آموزش و ترویج کشاورزی، مشهد، ایران زهرا شیخ الاسلامی زهرا شیخ الاسلامی

چکیده

application of additives is one of the proper solutions in quality enhancement in bakery products such as gluten matrix promotion, softness and unity of the texture and delay in staling which are effectives on shelf life and marketability of the bread. so the aim of this study was to investigate the synergistic effect of datem, ssl and e471 as an emulsifier in level of 0.2% and 0.5% humectants such as polypropylene, glycerin and polysorbat 60 in compare to the control (without additives) on quantitative and qualitative properties of semi bulk barbary bread. image processing and image j software were used for evaluation porosity and color values of samples. the results showed that the addition of a combination of emulsifiers and humectants improved the specific volume, porosity, overall acceptability  score and  color values of samples in compare to the control. while the firmness of bread was reduced significantly (p

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