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Food & Nutrition

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Arab Journal of <strong>Food</strong> & <strong>Nutrition</strong><br />

72. Experiments towards the Development of Natural Liquid Bread<br />

Improvers (2004)<br />

Amal A.Mousa\ University of Jordan<br />

Supervisor: Dr. Ali K. Al-saed<br />

Co- Supervisor: Dr. Mohammad A. Humied<br />

This study aimed at developing new types of natural liquid bread improvers to<br />

replace the currently available imported commercial ones.<br />

The effect of several single natural compounds that include concentrated acidic<br />

whey (0.5%), date paste (1%), carob paste (0.25%), chickpea flour (1%), and sprouted<br />

chickpeas (0.5%) as well as ascorbic acid (100 ppm) on the rheological properties of<br />

wheat flour dough was studied using Farinograph.<br />

The concentrated acidic whey, date paste, carob paste and sprouted chickpeas<br />

showed a significant improvement (p≤0.05) for Farinograph parameters; on the other<br />

hand, chickpea flour and ascorbic acid had a negative influence on these parameters.<br />

During this study three formulas were developed. These formulas were:<br />

A. sprouted chickpea+concentrated acidic whey+date paste<br />

B. sprouted chickpea+concentrated acidic whey<br />

C. sprouted chickpea+concentrated acidic whey+ascorbic acid<br />

The effect of these formulas on the physical properties of wheat flour dough, as<br />

well as the sensory properties of the produced bread was evaluated and compared with<br />

the effect of widely used commercial improver.<br />

The addition of the formulas to the patent flour did not cause significant<br />

improvement (p≤0.05) to the Farinogragh parameters. On the other hand, the<br />

Alveograph test showed that formula A and formula C improved the flour strength as<br />

indicated by the increase in baking force, and configuration ratio va1ues.<br />

Total gas production was significantly (p≤0.05) improved by the addition of the<br />

formulas, formula A achieved the highest value.<br />

Addition of formula A and C caused significant improvement (p≤0.05) in total<br />

scores of sensory properties of Hamburger buns.<br />

90<br />

Volume 89 11, No. 25, 2011

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