Studies on the Hydrolysis of Seaweed using Microorganisms and Its Application II. Screening of Microfloras Involved in Hydrolysis of Seaweed Tenella, Seaweed Fusiforme and Green Laver

미생물을 이용한 해조류의 가수분해 및 이용 II. 돌가사리, 톳 및 가시파래를 가수분해시키는 미생물군의 탐색

  • 김해섭 (여수대학교 식품공학·영양학부) ;
  • 배태진 (여수대학교 식품공학·영양학부)
  • Published : 2002.09.01

Abstract

The purpose of this study is screening of microfloras involved in hydrolysis of seaweed tenella, seaweed fusiforme and green laver. This is a part of studies on the hydrolysis of seaweed using microorganisms. First, about two hundred microflora samples were obtained from mountain, rice field, dry field, sea, seaside and fish market in the vicinity of Yeosu. Thirty-three microflora samples were screened from the destruction of tissue in sea tangle and sea mustard. It was sufficient that results of the naked eye observation were obtained at eight microflora samples as a feces of bull, a decayed pine tree, a soil of dry field, the mud of the banks in a rice field, the water of a ditch in a rice field, the weed of the banks in a rice field, the water in a rice field and leaved in the air. Above all, extraction rate and contents of reducing sugar in extracts of seaweeds added a decayed pine tree(sample No. 8) and the water of a ditch in a rice field(sample No. 27) were showed high value. And the value of chemical analysis of the sample is much better in comparison with control. Accordingly the hydrolysis of seaweed using microorganisms in the inside of these microflora samples can be possible.

해조류 조직을 가수분해시켜 기호성 및 응용성이 높은 액상원료로 가공하는 기술 개발의 일환으로 우선 자연계에 존재하는 미생물로서 산, 논, 밭, 해변 및 어판장에서 약 200종류의 미생물군 시료를 수집하여 해조의 조직파괴가 인정되는 8군의 미생물 시료를 사용하여 돌가사리,톳 및 가시파래의 조직파괴와 가수분해 가능성에 대하여 검토하고,추출액 중의 전당과 환원당을 측정하여 추출율과 분해율을 비교하였다. 그 결과 돌가사리, 톳 및 가시파래의 전당 추출량과 추출율은 각각 담수에서 채취한 미생물군 시료(No.27번), 부식한 식물에서 채취한 미생물군 시료(No. 8번) 및 담수에서 채취한 미생물군 시료가 가장 높은 값을 나타내었고, 환원당의 추출량과 추출율에서는 각각 8번, 8번 및 27번 미생물군 시료가 가장 높은 값을 나타내었다. 분해율은 전당의 추출율도 상당히 높으면서 환원당의 추출이 가장 높았던 실험구들이 각각의 해조에서 가장 높은 분해율을 나타내는 결과를 얻었다. 따라서 이들 자연계에서 채취한 미생물군 시료중에 해조 조체를 파괴시키고, 또한 해조에 다량 함유되어 있는 당을 비롯한 유용성분의 추출을 용이하게 하며, 해조를 가수분해시키는 효소를 가진 미생물이 존재할 것으로 판단되었으며, 또한 이들 미생물군에서 단일 또는 복합 해조가수분해 미생물 및 효소의 생산이 가능할 것으로 기대되었다.

Keywords

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