The effect of the addition of 2 kinds of chemically modified starches (the anti-caking agents; tapioca starch and com starch) on caking of ramen soup was observed using a low-resolution proton-pulsed nuclear magnetic resonance (NMR) technique. After storing ramen soup samples with diverse compositions of modified starch at 20-40% relative humidity for 4 weeks, changes in the spin-spin relaxation time constant (T2) were measured as a function of temperature. T2-Temperature curves for ramen soup containing modified starches showed that the caking initiation temperature (glass transition temperature) was increased by 5″ following the addition of only 0.5% modified cornstarch. The results indicate that the modified com starch used in this study would be an effective anti-caking agent for ramen soup, thus prolonging the shelf life of the product.
목차
Abstract Introduction Materials and Methods Results and Discussion Acknowledgments References
키워드
anti-caking agentramen soupcaking phenomenonlow-resolution proton-pulsed nuclear magnetic resonance (NMR)spin-spin relaxation time constant (T2)glass transition temperature (Tq)
저자
Wee, Hye-Won [ Department of Food Science and Technology, Ewha Womans University ]
Choi, Young-Jin [ Department of Food Science and Biotechnology, Seoul National University ]
Chung, Myong-Soo [ Department of Food Science and Technology, Ewha Womans University ]