期刊
LWT-FOOD SCIENCE AND TECHNOLOGY
卷 55, 期 1, 页码 301-307出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.lwt.2013.08.019
关键词
Cookies; Water activity; Total flavonoids content; Antioxidant activity; Polyphenol oxidase
资金
- Council of Scientific and Industrial Research (CSIR), New Delhi
Refined wheat flour was replaced with whole barley flour at varying levels and the blends were evaluated for their cookie making behavior. The spread factor of cookies decreased as the proportion of barley flour increased while snap force and water activity increased significantly upto 114.7 N and 0.397 in only barley flour cookies. Increasing levels of barley flour lead to a significant decrease in L* and b* values of cookie dough. Peak viscosity (PV) and final viscosity (FV) increased significantly as the levels of barley flour increased. A significant increase in antioxidant activity (AOA), total phenolic content (TPC), metal chelating activity (MCA), reducing power (RP) and total flavonoid content (TFC) was observed as the proportion of barley flour increased. Baking lead to a significant decrease in TPC and TFC whereas AOA, MCA and RP increased. Baking lead to a significant increase in the non-enzymatic browning index of cookies. (C) 2013 Elsevier Ltd. All rights reserved.
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