한국균학회지 (The Korean Journal of Mycology)
- 제15권3호
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- Pages.175-182
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- 1987
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- 0253-651X(pISSN)
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- 2383-5249(eISSN)
생전분(生澱粉) 자화성(資化性) 미생물(微生物)의 분리(分離)와 성질(性質)에 관(關)한 연구(硏究)(II) - Aspergillus sp. SN-871이 생산하는 생전분 분해효소의 정제 및 특성 -
Studies on the screening and properties of Raw Starch Saccharifying Microorganism(II) - Purification and characterization of raw starch-digesting enzyme from Aspergillus sp. SN-871 -
- Suh, Myung-Ja (Dept. of Food & Nutrition, Home Economic College, Pusan National University) ;
- Nho, Kyoung-Hee (Dept. of Food & Nutrition, Home Economic College, Pusan National University)
- 발행 : 1987.09.30
초록
1.
A raw starch saccharifying enzyme from Aspergillus sp. SN-871 was purified by ammonium sulfate precipitation, DEAE-cellulose column chromatography, CM-Sephadex C-50 column chromatography and Sephadex G-75 gel filtration. The specific activity of purified enzyme was 18 fold and the yeild was 13.40%. The molecular weight of the purified enzyme was estimated as approximately 40,000 dalton by the method of Andrews gel filtration. The optimum pH and temperature for this enzyme were found to be 4 and