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KMID : 0903519950380060496
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1995 Volume.38 No. 6 p.496 ~ p.501
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Production of Single Cell Protein on Rice Straw and Their Utilities
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Abstract
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Experiments were carried out to find out the optimal condition of SCP produced by Cellulomonas sp. KL-6 and to evaluate nutritional value for the protein of this organism Intracellular- and extracellular proteins produced by this strain were estimated to be nearly maximum, 266 ㎍/㎖ and 37 ㎍/㎖, in the medium containing 0.001% of thiamin after 5 days cultivation. When used rice straw as carbon source for the cell growth of this organism after crusing them by cutting mill, and treating them with 1.0% of NaOH and 10.0% of NH₄OH at 80℃ for 30 minutes and neutralizing continuatively them with 85% of H₃PO₄, SCP production rates were very increased to 1.63 g/ℓ (NaOH) and 1.47 g/ℓ (NH₄OH), respectively than 0.5 g/ℓ produced in untreated rice straw. We compared their amino acids patterns with that of FAO provisional patterns. Amino acids content of strain KL-6 was excellents. However. when intended these cell mass to use in practical animal feeding test it would be advisable that destruction or lysis of cell wall should be done.
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