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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제16권 제3호
- 발행연도
- 2006.1
- 수록면
- 374 - 380 (7page)
이용수
초록· 키워드
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In this study, glucose, sucrose, and dextrin werefound to better carbon sources for the production ofpullulan by Aureobasidium pullulans HP-2001. Maximalproduction of pullulan with 20 g/l sucrose as a carbon source was54.2 g/l. The highest yield of pullulan from sucrose was 0.40,when the sugar concentration was 10 g/l. Optimal conditionsA. pullulans HP-2001 in a 7-l bioreactor were determined by studying the effectsof composition of feed solution, dilution rate, and concentrationof sucrose in the feed solution. Pullulan concentration andproductivity with 100 g/l glucose and 2.5 g/l yeast extractwere 38.1 g/l and 0.53 g/l·h for 72 h, respectively, in a batchculture of A. pullulans HP-2001. When the substituted mediumcontained 10 g/l sucrose, 2.5 g/l yeast extract, and mineralsalts, which is the same composition as the medium for theproduction of pullulan, the pullulan concentration and productivityof pullulan at the steady state increased with a dilution rate upto 0.015/h, and its concentration was 78.4 g/l with a weightaverage molecular weight (Mw) of 4.0×105. Unlike a batchculture, however, the decline of the Mw and the numberaverage molecular weight (Mn) of pullulan was not found inthe continuous culture of A. pullulans HP-2001. When theconcentration of sucrose in the feed solution was 200 g/l,steady state was maintained longer in the continuous culturefed with the feed solution containing 20g/l sucrose than whenfed with the feed solutions containing either 10 or 150 g/lsucrose.
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등록된 정보가 없습니다.
참고문헌 (23)
참고문헌 신청
Aeschliman, A / 1990 / The effect of yeast extract supplementation on the production of lactic acid from whey permeate by Lactobacillus helveticus / Appl. Microbiol. Biotechn
Aremenate, P. M / 1995 / Effect of yeast extract on growth kinetics during aerobic biodegradation of chlorobenzoic acids / Biotechnol. Bioeng. 47 : 227 ~ 283
BAE, SANGOK / 2005 / Comparison of Bacterial Cellulose Production in a Jar Fermentor BetweenAcetobacter xylinum BPR2001 and its Mutant, Acetan-Nonproducing StrainEP1 / Journa
Barnett, C / 1999 / Pullulan production by Aureobasidium pullulans growing on hydroysed potato starch waste / Carbohydr. Polym. 38 : 203 ~ 209
CHOI, DUBOK, / 2005 / Exo-Polysaccharide Production in Liquid Culture of Pleurotus ferulae / Journal of Microbiology and Biotechnology 15 (2) : 368 ~ 375
Aremenate, P. M / 1995 / Effect of yeast extract on growth kinetics during aerobic biodegradation of chlorobenzoic acids / Biotechnol. Bioeng. 47 : 227 ~ 283
BAE, SANGOK / 2005 / Comparison of Bacterial Cellulose Production in a Jar Fermentor BetweenAcetobacter xylinum BPR2001 and its Mutant, Acetan-Nonproducing StrainEP1 / Journa
Barnett, C / 1999 / Pullulan production by Aureobasidium pullulans growing on hydroysed potato starch waste / Carbohydr. Polym. 38 : 203 ~ 209
CHOI, DUBOK, / 2005 / Exo-Polysaccharide Production in Liquid Culture of Pleurotus ferulae / Journal of Microbiology and Biotechnology 15 (2) : 368 ~ 375
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