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KMID : 0525619980030010060
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1998 Volume.3 No. 1 p.60 ~ p.66
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Production of Microcrystalline Chitin by Physicochemical Method
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김성배/Kim SB
윤규현/김영수/Yoon KH/Kim YS
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Abstract
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Microcrystalline chitin(MCC) was produced by a physicochemical method from chitin which was isolated from crab shell waste. The molecular weights of chitin were 230,000 ~ 320,000 depending [m the method of protein removal. MCC was produced by using dilute hydrochloric acid with ultrasound and hydrogen peroxide. The major parameters for this process were found to be acid concentration, swelling time and temperature, and irradiation time and frequency of ultrasound. The effaces of these parameters on MCC molecular weight were investigated. The molecular weight of MCC produced at a typical condition was amend 30,000 which was approximately 1/8 of that of chitin. Ultrasound irradiation in this process was found to be an essential step to make MCC gelatinize and microcrystallize.
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KEYWORD
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