Resumen de Konjac Glucomannan as a Carrier Material for Time�Temperature Integrator
J. Wang, Lu Deng, Yong Li, X. Xu, Yingxu Gao, N. Hilaire, Hung-Hui Chen, Z.Y. Jin, J.M. Kim, L. He
Hardness, springiness and water retention of konjac glucomannan gel (g-KGM) as a novel carrier material for time�temperature integrator (TTI) in aseptic processing were determined and compared with those of sodium alginate gel (g-SA). Hardness of both g-KGM and g-SA increased with temperature: values of g-SA were significantly higher (p < 0.05) than those of g-KGM at all temperatures. No significant difference in springiness between g-KGM and g-SA from 40°C to 90 °C and significant differences (p < 0.05) between 100 °C and 140 °C were found. Water retention property of g-KGM was lower than that of g-SA between 60 °C and 100 °C, but much higher between 100 °C and 140 °C. Heat transfer tests performed on g-KGM alone as well as on g-KGM as a carrier, embedded with TTI, a-amylase as an integrator, indicated that g-KGM was suitable for industrial ultrahigh temperature sterilization test.
Hardness, springiness and water retention of konjac glucomannan gel (g-KGM) as a novel carrier material for time�temperature integrator (TTI) in aseptic processing were determined and compared with those of sodium alginate gel (g-SA). Hardness of both g-KGM and g-SA increased with temperature: values of g-SA were significantly higher (p < 0.05) than those of g-KGM at all temperatures. No significant difference in springiness between g-KGM and g-SA from 40°C to 90 °C and significant differences (p < 0.05) between 100 °C and 140 °C were found. Water retention property of g-KGM was lower than that of g-SA between 60 °C and 100 °C, but much higher between 100 °C and 140 °C. Heat transfer tests performed on g-KGM alone as well as on g-KGM as a carrier, embedded with TTI, a-amylase as an integrator, indicated that g-KGM was suitable for industrial ultrahigh temperature sterilization test.
