The 7S and 11S fractions of soy protein were isolated from soy flour and recombined with soy protein concentrate at various levels to modify their ratio in different formulations. The role of each fraction on the extrusion performance and texturization behavior of soy proteins was evaluated using twin-screw extrusion. Both 11S and 7S fractions were found to have significant influence on the degree of texturization of soy protein. In particular, the 11S protein appeared to favor expansion and water holding capacity of the finished product, while an 11S/7S ratio of 1.5 in the feed formulation resulted in a product with the best textural characteristics under the selected extrusion conditions investigated.
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Gifu Univ, United Grad Sch Agr Sci, Gifu 5011193, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Han, Xujun
Nagano, Hiroko
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Gifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Gifu Univ, Fac Educ, Gifu 5011193, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Nagano, Hiroko
Phromraksa, Panthitra
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Khao CP Co Ltd, Ayutthaya 13260, ThailandGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Phromraksa, Panthitra
Tsuji, Michik
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Gifu Univ, Grad Sch Med, Gifu 5011193, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Tsuji, Michik
Shimoyamada, Makoto
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Gifu Univ, Grad Sch Med, Gifu 5011193, Japan
Miyagi Univ, Sch Food Agr & Environm Sci, Sendai, Miyagi 9820215, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Shimoyamada, Makoto
Kasuya, Shiro
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Gifu Univ, Fac Reg Sci, Gifu 5011193, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Kasuya, Shiro
Suzuki, Tohru
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Gifu Univ, United Grad Sch Agr Sci, Gifu 5011193, JapanGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan
Suzuki, Tohru
Khamboonruang, Chirasak
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Chiang Mai Univ, Chiang Mai 50200, ThailandGifu Univ, United Grad Sch Agr Sci, Gifu 5011193, Japan