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pp.899-905
In order to develop bacterial cellulose (BC) with antimicrobial activity against pathogenic microorganisms, silver and chitosan were incorporated into BC, respectively. Experiment results showed that antimicrobial activity against pathogenic microorganisms was improved with increasing silver concentration. Chitosan also showed a direct proportion between its concentration and antimicrobial activity. These results suggest that antimicrobial effects of BC using silver and chitosan are well proven to be effective. We also tested the stainability of BC with natural colorant for the application of food industry. Stainability of BC was enhanced with increasing natural colorant concentration. Decolorization of BC stained was observed by dipping it into distilled water with one hour-intervals. As a result, there was no significant difference. Combination of natural colorant-stainability and antibiosis of BC is expected to be useful in making colored antibiotic BC in various industrial application areas, considering its antimicrobial activity, high stainability and low decolorization tendency.
1. 서 론
2. 재료 및 방법
2.1. 균주 및 배양조건
2.2. 은 및 키토산을 이용하여 조제된 세균 섬유소의 항균능조사
2.3. 천연 식용색소를 이용한 세균 섬유소 염색성 조사
2.4. 세균 섬유소의 정제
3. 결과 및 고찰
3.1. 은을 이용하여 생성된 세균 섬유소의 항균효과
3.2. 키토산을 이용하여 생성된 세균 섬유소의 항균효과
3.3. 천연 식용색소 용액에 침지한 세균 섬유소의 염색성
3.5. 세균 섬유소의 투명도 및 마스크 팩 이용
4. 결 론
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