Degradation of limonene by gamma radiation for improving bioethanol production
2014
Bai, H.W., Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea | Hong, S.H., Chonnam National University, Gwangju, Republic of Korea | Park, C.H., Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea | Jang, D.M., Chonnam National University, Gwangju, Republic of Korea | Kim, T.H., Department of Herbal Medical Pharmacology, Daegu Haany University, Gyeongsan, Republic of Korea | Chung, B.Y., Korea Atomic Energy Research Institute (KAERI), Jeongeup, Republic of Korea
Use of orange peel as a raw material for bioethanol production requires removal of its limonene content, which inhibits fermentation. Orange peel was pretreated using electron beam or gamma ray irradiation. Limonene content decreased in a dose-dependent manner, with approximately 60% reduction compared to the control after gamma irradiation at a dose of 800 kGy. However, electron beam irradiation did not demonstrate the same effectiveness. Therefore, gamma irradiation was deduced to be a promising pretreatment method for removing limonene from orange peel.
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