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KMID : 0379119730010020015
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Korean Journal of Mycology
1973 Volume.1 No. 2 p.15 ~ p.23
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Studies on the Manufacture of Concentrated Feed by the Use of Farm Product Waste Materials
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박성오/Park, Sung Oh
김삼순/김기주/이지열/Kim, Sam Soon/Kim, Ki Joo/Lee, Ji Yul
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Abstract
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Mold producing. cellulase were isolated from rotten woods, and identified as the three species: Aspergillus niger van Tieghem, Aspergillus schiemanni Thom and Trichoderma viride Pers. In. this paper, culture conditions in the media and characteristics of these strains were investigated. Using these strains, we have conducted a research concerning the utilization of farm product waste materia´s.
1. Optimum conditions for the cellulase formation were as follows.
KM 10-1; pH 5.2-5.5, 35℃, incubation time 6 days.
OL 11-1; pH 5.5, 30-35℃, incubation time 6 days.
SH 9-2; pH-5.5, 30℃, incubation-time 6 days.
2. Their cellulase activities in their optimum condition were as follows:
KM 10-1; CMC-LP 78.5%
CMC-SP 4.0 glucose ㎎/gm of the cuitures/min.
OL 11-1; CMC-LP 89.9%, CMC-SP 4.9 glucose ㎎/gm of the cultures/min.
SH 9-2; CMC-LP 77.4%, CMC-SP 3.9 glucose ㎎/gm of the cultures/min.
3. Hydrolysis of animal feed containing a large quantity (23-30%) cellulose by means of the crude enzyme in the selected strains resolved 30% of the cellulose contained in the animal feed
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