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http://dx.doi.org/10.7318/KJFC.2006.21.6.653

Quality Characteristics of Cuttlefish Inky Tofu Prepared with Various Coagulants  

Park, Eo-Jin (Dept. of Hotel, Food service and culinary art, Catholic Sanji College)
An, Sang-Hee (Dept. of Food Sceince and Technology, Catholic University)
Publication Information
Journal of the Korean Society of Food Culture / v.21, no.6, 2006 , pp. 653-660 More about this Journal
Abstract
Some quality characteristics of tofu prepared with cuttlefish ink were investigated to study the effects of various of coagulants. Each concentration of coagulant was determined as 0.2% of GDL, 0.3# of $MgCl_2$, 1%^ of $CaCl_2$, 1.5% of $CaSO_4$ and 0.6% D-gluconic acid calcium by pre-experiment. Also, the optimum concentration of added cuttlefish ink was chosen as 3%(diluted in twenty times). The yield of inky tofu prepared with GDL as coagulant was the highest. According to prepared with $MgCl_2$ was the highest. The result of microstructure was examined by SEM, the particles of inky tofu coagulated with GDL and D-gluconic acid calcium were small and uniformity. In overall acceptability of sensory properties, inky tofu coagulated with GDL was the highest in score. In the color of inky tofu, L value and a value were the highest coagulated with GDL, but that coagulated with $CaCl_2$ had the highest b value. In the texture properties of inky tofu, hardness, gumminess and brittleness were the highest coagulated with D-gluconic acid calcium. A positive correlation was observed between the pH of tofu whey and acidity. Sensory properties of roasted nutty flavor, hardness, cohesiveness and springiness were positively correlated with the acceptability.
Keywords
tofu; cuttlefish ink; coagulant; quality characteristics;
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Times Cited By KSCI : 1  (Citation Analysis)
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