한국식품과학회지 (Korean Journal of Food Science and Technology)

한국식품과학회 (Korean Society of Food Science and Technology)
권호 표지

Lactobacillus acidophilus로 발효시킨 밀가루 발효물의 특성

Characteristics of Flour Ferment Using Lactobacillus acidophilus as Starter

  • 차욱진 (건국대학교 응용생물화학과) ;
  • 이시경 (건국대학교 응용생물화학과) ;
  • 이정훈 (안산공과대학 호텔조리과) ;
  • 조남지 (혜전대학 제과제빵과)
  • Cha, Wook-Jin (Department of Applied Biology and Chemistry, Konkuk University) ;
  • Lee, Si-Kyung (Department of Applied Biology and Chemistry, Konkuk University) ;
  • Lee, Jeong-Hoon (Department of Hotel Culinary Arts, Ansan College of Technology) ;
  • Cho, Nam-Ji (Department of Baking Technology, Hyejeon College)
  • 발행 : 2004.02.28
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초록

L. acidophilus를 면 제조 시에 첨가할 목적으로 MRS broth 배지를 이용하여 $37^{\circ}C$에서 3일 동안 배양시킨 후 면의 주원료인 밀가루, 물, 소금의 혼합액에 L. acidophilus를 선택 접종시켜 72시간 배양 발효시킨 결과 발효물에 젖산이 6.821mg/g, 초산이 0.191 mg/g 생성되어 발효물에서 젖산의 함량이 높았다. 배양기간 중 발효물의 pH는 저하되며 총산도가 증가되었다. 식염첨가 발효물의 점도는 발효시간의 경과에 따라 증가되었으나, 식염을 첨가하지 않은 발효물의 점도는 감소하였다. 한편 식염을 첨가하지 않은 발효물은 변질이 되어 식염이 보존성에 미치는 효과를 알 수 있었고 형태적 관찰에서 발효물에서 L. acidophilus의 전형적인 간균 형태를 보이고 있음을 확인할 수 있었다.

Growth of Lactobacillus acidophilus in flour was investigated for production of noodle and bread. L. acidophilus grew when fermented in flour, and growth continued upon fermentation with salt for 72 hr. pH of L. acidophilus-fermented flour with salt decreased up to 72 hr, reaching 3.06. Fermented flour with salt showed no decomposition as compared to that without salt. In flour fermented by L. acidophilus, amounts of lactic and acetic acids produced increased with incubation time, and reached, after 72 hr incubation, 6,821 and 0.191 mg/g, respectively, resulting in significantly higher production of lactic acid. Viscosity of fermented flour with salt increased, whereas that without salt decreased with incubation time. Results reveal L. acidophilus-fermented flour with salt could be applied as effective agent in noodle and bread productions.

키워드

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