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NTIS 바로가기한국식품과학회지 = Korean journal of food science and technology, v.47 no.4, 2015년, pp.438 - 445
이은지 (계명대학교 식품가공학과) , 이삼빈 (계명대학교 식품가공학과)
The production of GABA was optimized by co-cultivation of immobilized Lactobacillus plantarum K154 (ILK) with Ceriporia lacerata cultures. The mycelial culture of C. lacerata was performed in a defined medium containing 3% glucose, 3% soybean flour, and 0.15%
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핵심어 | 질문 | 논문에서 추출한 답변 |
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미생물의 고정화 기술 중 균체고정화는 어떤 장점을 가지고 있는가? | 미생물의 고정화 과정은 수용성 고분자 알긴 산소듐(sodium alginate) 분산액을 염화칼슘 용액에 소량씩 적하 하면 알긴산칼슘(Ca-alginate) 비드가 형성된다(16). 미생물 균체고정화 기술은 이러한 고정화 균체를 이용한 발효기술은 장기간 균체를 사용할 수 있으며, 연속 발효가 가능하여 생산성을 높일수 있고, 오염을 방지할 수 있는 장점이 있다(17). Tipayang과 Kozaki(18)은 Lactobacillus sp. | |
감마아미노뷰티르산은 어떻게 사용되고 있는가? | 감마아미노뷰티르산(γ-aminobutyric acid)은 신경전달 억제물질로서 일본에서는 건강 식품소재로 되면서, GABA를 첨가한 식품이나 음료가 개발되어 판매되고 있다. 최근에는 미생물의 발효를 통한 GABA의 생산이 연구되고 있으며(6), 김치에서 분리한 Lactobacillus brevis, L. | |
버섯 균사체를 포함한 액체 배양물은 어떤 대사산물을 얻을 수 있는가? | 담자균류에 속하는 백색 부후균으로 알려진 Ceriporia lacerata는 참나무나 적송에 부생하며, 목재 내 리그닌을 선택적으로 분해시켜 부후가 진행되면서 백색으로 변하는 형태학적 특징을 가지고 있다(2). 버섯 균사체를 포함한 액체 배양물은 배지의 영양성분 조성과 배양조건에 따라 항균, 항당뇨, 항암 및 산화방지(3) 활성을 가지는 다양한 대사산물을 얻을 수 있었다(4). 최근, Ceriporia lacerata 버섯의 액체배양물이 덱사메타손(dexamethasone) 스트레스에 의한 인슐린 분비 INS-1세포의 보호효과에 대한 연구결과를 보고된 바 있다(5). |
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