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Studies on Storage Characteristics of Tofu with Herb  

Jeon, Mi-Kyung (Department of Food Science and Nutrition Kyungpook National University)
Kim, Mee-Ra (Department of Food Science and Nutrition Kyungpook National University)
Publication Information
Korean journal of food and cookery science / v.22, no.3, 2006 , pp. 307-313 More about this Journal
Abstract
Tofu was prepared with various herbs (green tea, rosemary, lavender and thyme) and the tofu quality was investigated during storage. In the measurement of tofu color, the L and b values increased during storage period. Especially, the b value was very high at 8 days after storage. The pH value of tofu increased until 6 days of storage, but then decreased. The turbidity gradually increased until 6 days of storage and rapidly increased at 8 days of storage. The microorganism count of herb tofu was lower an that of control tofu during storage. Especially green tea tofu showed the lowest psychrotrophic microorganism count as $1.3{\times}10^8\;CFU/g$. In addition, lavender tofu showed the lowest aerobic mesophilic microorganism count $(2.0{\times}10^7\;CFU/g)$ at 8 days of storage. In texture analysis, hardness and chewiness of herb tofu increased with increasing storage period. Springiness increased to 2 or 4 days of storage but decreased after 6 or 8 days. Therefore, herb tofu is expected to have good quality physiologically as well as microbiologically.
Keywords
tofu; green tea; rosemary; lavender; thyme; storage; quality;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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