Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Characteristics of Fermentation and Wine Quality

시판 와인효모의 발효 특성과 포도주 품질

  • Published : 2008.04.28
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Abstract

This study investigated the effect of 12 different commercial yeast strains on the characteristics of fermentation and wine quality. All yeast strains had more rapid fermentation at higher temperatures. Wines fermented with the AR2, EC-1118, Premier Cuvee, and RC212 strains had faster sedimentation rates than wines fermented with the other strains. Wines fermented with EC-1118, Montrachet, and Primeur had low titratable acidity whereas wines fermented with D47 and VR5 had high titratable acidity. There was a correlation (r = 0.826) between tannin content and wine redness. Wines fermented with Fermivin, Montrachet, Primeur, VR5, Noble, and Merit strains produced lower levels of sulfur dioxide during fermentation. Wines fermented with D47, K1V-1116, AR2, and VR5 had high concentrations of glycerol, a compound known to add to "mouth feel". Wines fermented with the Fermivin, Montrachet, and Noble strains had lower concentrations of volatile acids than wines fermented with the other strains.

본 연구에서는 국내에서 가장 많이 생산되고 있는 캠벨 얼리 품종을 이용하여 12종의 서로 다른 시판효모의 발효특성과 포도주 품질을 비교 분석하였다. 먼저 온도에 따른 발효속도에 있어서 같은 효모라도 발효온도에 따라 발효속도가 달랐으며, 효모별 침강속도에 있어서, RC212을 비롯하여 AR2, EC-1118, Premier Cuvee 효모로 처리한 포도주가 비교적 빠르게 침강되었다. 발효 완료 후 처리 효모별 산의 함량에는 다소 차이가 있었는데, EC-1118, Montrachet, Primeur등의 처리구에서 비교적 낮았으며 D47, VR5등의 효모 처리구에서는 산 생성능이 높은 특징을 보였다. 적색도와 탄닌 함량과의 상관관계를 분석한 결과, 두 성분간 상관이 0.6%로 나타나, 탄닌 함량이 높은 포도주가 적색도도 높게 나타나는 정의 상관관계를 보였다. 아황산 함량에 있어서 Fermivin, Montrachet, Primeur, VR5, Noble, Merit 처리구에서 낮은 아황산 생성능을 보였다. 효모별 글리세롤 생성능에 있어서는 D47, K1V-1116, AR2, VR5 처리구에서 높은 함량을 보여 글리세롤 함량이 풍부한 부드러운 포도주 양조시 이들 균주를 활용할 수 있을 것으로 생각된다. 휘발산 생성에 있어서는 Noble, Fermivin, Montrachet등의 처리구에서 100 mg/L이하의 낮은 수치를 나타내어 발효과정 중 초산 생성능이 비교적 낮은 효모임을 알 수 있었다.

Keywords

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