Reduction of 4-methylimidazole in caramel coloring by γ-irradiation

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KIM J.K.; KIM M.K.; Lee K.G.

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Journal: International Journal of Radiation Research Year:2017 | Volume:15 | Issue:1 Page(s): 107-111

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Title

Reduction of 4-methylimidazole in caramel coloring by γ-irradiation

Author(s)

KIM J.K. | KIM M.K. | Lee K.G. | Issue Writer Certificate

Keywords

4-methylimidazole

ɣ-irradiation

Caramel coloring

Abstract

4-methylimidazole (4-MEI) is a simple nitrogen-containing heterocyclic compound, and recently classified as group 2B by Interna onal Agency for Research on Cancer (IARC). Caramel coloring is widely applied food coloring in many food products including coffee, carbonated beverages, beer and wine. In present study, γ-irradia on was applied to Caramel Color III to reduce the level of 4-MEI without color changes. Caramel coloring III was ɣ-irradiated with 1, 3, 5, 10, 30, 50 and 100 kGy. Non-irradiated Caramel coloring was served as a control. The level of 4-MEI and color were analyzed on all Caramel coloring. The concentra on of 4-MEI in the non-irradiated Caramel coloring was 714. 9 mg/kg. The level of 4-MEI in Caramel coloring was significantly reduced from 3 kGy ɣ-irradiated Caramel coloring (p<0. 05). A7er 100 kGy irradia on, the amount of 4-MEI in caramel color was at 658 mg/kg, which equates 7. 9% reduc on from non-irradiated sample. No color change was observed on irradiated and non-irradiated Caramel coloring (p>0. 05). Therefore, γ-irradia on could be used as an alterna ve processing method to improve the quality of Caramel coloring by reducing 4-MEI content without its color change.

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APA: Copy

KIM, J.K., KIM, M.K., & Lee, K.G.. (2017). Reduction of 4-methylimidazole in caramel coloring by γ-irradiation. INTERNATIONAL JOURNAL OF RADIATION RESEARCH, 15(1), 107-111. SID. https://sid.ir/paper/286782/en

Vancouver: Copy

KIM J.K., KIM M.K., Lee K.G.. Reduction of 4-methylimidazole in caramel coloring by γ-irradiation. INTERNATIONAL JOURNAL OF RADIATION RESEARCH[Internet]. 2017;15(1):107-111. Available from: https://sid.ir/paper/286782/en

IEEE: Copy

J.K. KIM, M.K. KIM, and K.G. Lee, “Reduction of 4-methylimidazole in caramel coloring by γ-irradiation,” INTERNATIONAL JOURNAL OF RADIATION RESEARCH, vol. 15, no. 1, pp. 107–111, 2017, [Online]. Available: https://sid.ir/paper/286782/en

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