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> 한국미생물생명공학회(구 한국산업미생물학회) > 한국미생물·생명공학회지 > 46권 1호

Properties of Gul Jeotgal (Oyster Jeotgal) Prepared with Different Types of Salt and Bacillus subtilis JS2 as Starter

Properties of Gul Jeotgal (Oyster Jeotgal) Prepared with Different Types of Salt and Bacillus subtilis JS2 as Starter

( Jeong A Kim ) , ( Zhuang Yao ) , ( Hyun-jin Kim ) , ( Jeong Hwan Kim )

- 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)

- 발행년도 : 2018

- 간행물 : 한국미생물·생명공학회지, 46권 1호

- 페이지 : pp.1-8 ( 총 8 페이지 )


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논문제목
초록(외국어)
Gul (oyster) jeotgals (GJs) were prepared using different types of salt (23%, w/v): purified salt, solar salt aged for 3 years, and bamboo salt crystalized 3 times. One set of GJs was fermented with Bacillus subtilis JS2 (106 CFU/g), while the other GJ set was fermented without starter. During fermentation for 24 weeks at 15℃, the starter GJs showed 10-fold higher bacilli counts than the no-starter GJs, where the maximum bacilli count was 8 × 103 CFU/g. All 28 bacilli strains isolated from the 6-week GJs were identified as B. subtilis by using a RAPD-PCR, indicating that some of the B. subtilis JS2 cells remained viable. Lactic acid bacteria (LAB) and yeasts were present at low levels, 101 -102 CFU/g. LAB with protease activities isolated from 10- week samples were identified as Enterococcus species. The isolates obtained at 16 weeks were all Staphylococcus species. The GJs with bamboo salt showed higher pH and lower titratable acidity (TA) values than the other GJs due to the strong alkalinity of bamboo salt. The amino-type nitrogen in the GJs increased slowly during the fermentation. At 24 weeks, the GJs with purified salt showed the highest amino-type nitrogen (412-430 mg%), followed by the GJs with solar salt (397-406 mg%) and GJs with bamboo salt (264- 276 mg%). Meanwhile, the GJs with bamboo salt showed the highest ammonia-type N (63-67 mg%), followed by the GJs with purified salt (49 mg%) and solar salt (48 mg%).

논문정보
  • - 주제 : 자연과학분야 > 생물
  • - 발행기관 : 한국미생물생명공학회(구 한국산업미생물학회)
  • - 간행물 : 한국미생물·생명공학회지, 46권 1호
  • - 발행년도 : 2018
  • - 페이지 : pp.1-8 ( 총 8 페이지 )
  • - UCI(KEPA) : I410-ECN-0102-2018-400-004251922
저널정보
  • - 주제 : 자연과학분야 > 생물
  • - 성격 : 학술지
  • - 간기 : 계간
  • - 국내 등재 : KCI 등재
  • - 해외 등재 : - / SCOPUS
  • - ISSN : 1598-642x
  • - 수록범위 : 2002–2020
  • - 수록 논문수 : 1112