Mohd. Jusoh, Y. M. and Chin, N. L. and Yusof, Y. A. and Abdul Rahman, R. (2009) Bread crust thickness measurement using digital imaging and L a b colour system. Journal of Food Engineering, 94 (3-4). pp. 366-371. ISSN 02608774
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Official URL: http://dx.doi.org/10.1016/j.jfoodeng.2009.04.002
A simple and new method was developed for the evaluation of baking process on bread quality through the measurement of bread crust thickness. By distinguishing the crust and crumb regions of bread, the system which uses digital imaging and the L a b colour system can predict bread crust thickness from the colour measurements of bread surface browning. Standard baking tests were conducted at different levels of temperature and time combinations to produce open breads with different crust thickness. The results show that the crust thickness which ranged from 6.02 to 9.00 mm has a negative relationship with each of the L, a, and b values and a positive correlation with the total colour difference (?E) of bread crust. The data also demonstrated that crust thickness increases with the investigated baking temperatures of 185, 195, and 205 °C more significantly (p < 0.0001) than baking times of 25, 30 and 35 min (p < 0.001).
|Uncontrolled Keywords:||bread, crust thickness, digital imaging, L a b values|
|Subjects:||Q Science > QA Mathematics > QA75 Electronic computers. Computer science|
T Technology > TP Chemical technology
|Divisions:||Chemical and Natural Resources Engineering (Formerly known)|
|Deposited By:||Ms Zalinda Shuratman|
|Deposited On:||27 Jul 2011 01:18|
|Last Modified:||27 Jul 2011 01:18|
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