Effect of Gamma Irradiation on the Physical Properties of Alginic Acid and λ-Carrageenan
2007
Song, E.J. (Pukyong National University, Busan, Republic of Korea) | Lee, S.Y. (Pukyong National University, Busan, Republic of Korea) | Kim, K.B.W.R. (Pukyong National University, Busan, Republic of Korea) | Park, J.G. (Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea) | Kim, J.H. (Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea) | Lee, J.W. (Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea) | Byun, M.W. (Korea Atomic Energy Research Institute, Jeongeup, Republic of Korea) | Ahn, D.H. (Pukyong National University, Busan, Republic of Korea), E-mail: [email protected]
This study was carried out to find the effect of γ-irradiation on the physical properties of alginic acid and λ-carrageenan solution. Alginic acid and λ-carrageenan aqueous solution were irradiated with Co∨60 γ-rays in dosages ranging from 3 to 100 kGy, and then the molecular weight, viscosity and color were measured. The molecular weight of alginic acid and λ-carrageenan solution were decreased as the γ-irradiation dosage increased. In addition, the viscosity of irradiated alginic acid and λ-carrageenan solution were decreased depending upon the γ-irradiation dosage, too.
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