The Journal of the Korea Contents Association (한국콘텐츠학회논문지)

The Korea Contents Association (한국콘텐츠학회)
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Difference of Catechins Extracted Level when Fermented Sun-dried Salt and Green Tea

천일염과 녹차를 발효시켰을 때 Catechin류의 추출량 변화

  • 윤현 (조선대학교 일반대학원 보건학과/한려대학교 임상병리학과) ;
  • 오혜종 (조선대학교 일반대학원 보건학과/한려대학교 임상병리학과) ;
  • 최성우 (조선대학교 일반대학원 보건학과)
  • Received : 2012.08.08
  • Accepted : 2012.10.15
  • Published : 2012.11.28
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Abstract

In an experiment in which fermentation was done by adding fungal species that have antibiosis but do not have cellulase, the extraction amount of EGC, EC, EGCG, and ECG increased in all samples that fermented by adding sun-dried salt compared to those that fermented only with green tea after fermenting green tea by mixing it with sun-dried salt. In the analysis conducted according to the days of fermentation, the high extraction amounts of EGC(epigallocatechin), ECG(epicatechin gallate), EC(epicatechin), and EGCG(epigallocatechin gallate) were detected on the second and third day. Furthermore, when fermentation was done by adding ferment bacillus, all types of catechin(EGC, EC, EGCG, ECG) extraction increased in Paenibacillus spp but in Bacillus amyloliquefaciens, EGC and EC decreased while EGCG and ECG increased; whereas in Bacillus pumilus and Bacillus subtilis all types of catechin(EGC, EC, EGCG, ECG) decreased. The results of the above experiment reveal that the largest amount of catechin was extracted from the result which conducted fermentation for three days together with sun-dried salt and Paenibacillus spp in the green tea.

녹차를 천일염과 혼합하여 발효시킨 후 항균활성을 가지고 있고 셀룰라제가 없는 균종을 첨가하여 발효시킨 실험에서 녹차만을 발효시켰을 경우보다 천일염을 첨가하여 발효시킨 모든 시료에서 카테킨류인 EGC, EC, EGCG, ECG의 추출량이 증가하였고, 발효 일에 따른 분석에서는 EGC(epigallocatechin), ECG(epicatechin gallate), EC(epicatechin), EGCG(epigallocatechin gallate)모두에서 2일째와 3일째 높은 추출량이 검출되었다. 또한 발효균을 첨가하여 발효시켰을 경우 Paenibacillus spp에서는 모든 카테킨류(EGC, EC, EGCG, ECG)의 추출량이 증가하였고, Bacillus amyloliquefaciens에서는 EGC와 EC는 감소하고 EGCG와 ECG는 증가하였으며, Bacillus pumilus, Bacillus subtilis는 모든 카테킨류(EGC, EC, EGCG, ECG)에서 감소하였다. 위와 같은 실험의 결과에서 녹차에 천일염과 Paenibacillus spp를 함께 3일 동안 발효시킨 결과에서 가장 많은 카테킨류가 추출되었다.

Keywords

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