The Fermentation Properties of Red Wine using Active Dry Yeast Strains

활성건조효모를 이용한 포도주의 발효 특성

  • 문영자 (우송정보대학 식품영양과) ;
  • 이명순 (해태엔컴퍼니 연구소) ;
  • 성창근 (충남대학교 농과대학 식품공학과)
  • Published : 2004.12.01

Abstract

In wine making, to perform yeast culture effectively, which is the most important factor, 5 strains of representative active dry yeasts were selected : Montrachet, Pasteur Champagne, Epernay II, Prise do Mousse, Lalvin W15. The results about fermentation properties were as follows. After 1 day of fermentation, the ethanol contents of Lalvin W15 wine and Montrachet wine were 5.4% and 4.0%. After 2 days of fermentation, the ethanol content of Lalvin W15 wine was 9.2%, which is the highest degree among all experimental groups. As for the content of sugar solution, the wine fermented by Lalvin W15 was the highest one. In acidic solution, fermentation activity of Prise de Mousse, Lalvin W15, Montrachet were highest degrees and Red wine fermentation activity of Prise de Mousse has shown the highest degree in its fermentation activity, if only initial SO$_2$ amounts were 200 ppm. In regard to the foaming tendency during fermentation, the size of foams in Montrachet was big and the amount of foams was a lot. The change in Brix during the fermentation became evident after two days. The Brix of Montrachet wine and Lalvin W15 wine was 3.0, a high initial fermentation speed. After 10 days of fermentation, total acidity of Lalvin W15 wine was 0.99g/100m1, the highest degree. After 3 days of fermentation, the ethanol content of Lalvin W15 wine was 7.4%, the highest degree. But after 9 days of fermentation Epernay II showed the higher ethanol concentration to 13.8%.

포도주 양조에 있어서 효모배양을 효과적으로 하기 위하여 대표적인 활성건조효모 5종을 선정하여 포도주발효특성을 연구한 결과는 다음과 같다. 1 . 적포도 농축과즙 발효시험 : 1) 발효 1일 후에 Lalvin W15와 Montrachet 균주로 발효시킨 포도액의 에탄올 함량이 가장 높았으며, 발효2일 후에는 Lalvin W15 균주로 발효시킨 포도액이 가장 높았다. 2) 발효 시험한 결과, 당분이 과다할 경우 Lalvin W15, Prise de Mousse, Montrachet 균주의 발효능력이 우수하였고, 산이 과다할 경우와 아황산 함량이 과다할 경우에도 Prise de Mousse, Lalvin W15, Montrachet 균주들의 발효능력이 뛰어났다. 3) 발효 중 거품의 경향은Montrachet 균주는 거품이 크고 양도 많았지만 Lalvin W15와 Prise de Mousse 균주는 거품이 아주 작고 양도 많지 않아 알코올 발효에 유리할 것으로 사료된다. 2. 적포도 Campbell Early 발효시험 : 1)발효 중 Brix의 변화로 발효2일 후의 초기발효속도는 Montrachet와 Lalvin W15 균주로 발효시킨 포도액의 Brix가 빨랐다. 2) 총산은 발효 10일 후에 Lalvin W15 균주로 발효중인 포도액이 가장 높았다. 3) 에탄올 함량은 발효 3일 후에 Lalvin W15 균주로 발효 중인 포도액이 가장 높았으나, 발효 9일 후에는 Epernay II 균주로 발효 시킨 포도액이 가장 높았다.

Keywords

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