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KMID : 0380619800120020133
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Korean Journal of Food Science and Technology
1980 Volume.12 No. 2 p.133 ~ p.139
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Production of Biological Activator by Microorganisms
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Jang Yeon-Soo
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Abstract
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The extraction mechanism and extraction conditions of cellular lipid of freeze-dried cells of Rhodotorula rubra YUFE 1526, which was reported as coenzyme Q producing microorganism, were studied.
1. Methyl alcohol was the most appropriate solvent for extraction of cellular lipids and the resulting total lipid was 19.17 weight %.
2. When 1 % (w/v) of freeze-dried cell was extracted by methyl alcohol, the extraction yield was 90.49 % at 50℃ for 2 hr.
3. The diffusivity varied with extraction temperature and the empirical equation was derived as follows : 2.2 e^(0-02907T)× 10^(-9) ㎟/min.
4. The diffusivity of cellular lipid of Rhodotorula rubra YUFE 1526 was 9.4×10^(-9) ㎟/min.
5. The extraction model was well fitted on the extraction of cellular lipid.
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KEYWORD
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