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다래를 이용한 발효주의 제조 및 이화학적 특성

Manufacturing and Physicochemical Properties of Wine using Hardy Kiwi Fruit (Actinidia arguta)

  • 박경록 (서울장수(주) 기술연구소) ;
  • 홍성욱 (농촌진흥청 국립축산과학원) ;
  • 김영준 (연세대학교 생명과학기술학부) ;
  • 김수재 (원주시 농업기술센터) ;
  • 정건섭 (연세대학교 생명과학기술학부)
  • 투고 : 2013.01.07
  • 심사 : 2013.07.12
  • 발행 : 2013.09.28

초록

다양한 기능성을 가지는 다래를 이용하여 발효주의 제조공정을 확립하였다. 다래과실의 수율 향상을 위하여 후숙기간을 5일로 정하고, 효소제 처리는 0.1% cytolase PCL5를 2시간 처리하였을 때 과즙 수율이 53.5%로 무처리구보다 약 2.4배나 수율이 증가하였다. 다래 발효주 제조시 강한 신맛을 감소시키기 위한 감산처리는 0.1%(w/v) $CaCO_3$를 최적농도로 선정하였다. 다래과실을 파쇄한 후, 각각 가수하여 25%(v/w) 처리구(hardy kiwi wine 25)와 50%(v/w) 처리구(hardy kiwi wine 50)를 준비하였다. 각각 처리구에 설탕을 첨가하여 $24^{\circ}brix$ (252 g/l)로 보당하였고 0.1%(w/v) $CaCO_3$, 0.1%(v/v) cytolase PCL5 효소제, 메타중아황산 칼륨(200 ppm)을 첨가한 후, 주모($1.5{\times}10^7$ cell/ml)를 접종하여 $20^{\circ}C$에서 2주 동안 발효하였다. 숙성은 $4^{\circ}C$에서 8주 동안 진행하면서 다래 발효주의 pH와 총산도는 각각 pH 3.4-3.7과 1.12-1.21%로 유지하였다. 알코올 함량과 환원당은 14.3-14.4%와 15-16 g/l로 유지하였다. 다래 발효주의 주요 유기산과 유리당은 citric acid (6.6-6.7 g/l)와 fructose (2.5-2.7 g/l)로 가장 높게 나타내었다. 주요 향기성분으로는 iso-amyl alcohol, iso-butyl alcohol, phenethyl alcohol, ethyl acetate, acetaldehyde 등이 검출되었다. 다래 발효주의 관능평가 결과, 맛과 향, 종합적인 기호도 모두 hardy kiwi wine 50에서 기호도가 가장 우수한 것으로 확인하였다.

For the development of hardy kiwi wine, we arranged for the post-maturity of hardy kiwi fruit, treated them with calcium carbonate and a pectinase enzyme complex, investigated the resulting physicochemical properties and conducted a sensory evaluation. The period determined for creating post-maturity in the hardy kiwi fruit was determined as 5 days storage at room temperature following maturity. During this time the yield of fruit juice was increased from 22.1% to 53.5% using 0.1% (v/v) cytolase PCL5 for 2 h at room temperature. 0.1% (w/v) calcium carbonate was also added during the process of aging, for the reduction of the sour taste. The fermentation trial of the hardy kiwi wine was prepared using water (25% or 50%), sugar ($24^{\circ}brix$), 0.1% (w/v) $CaCO_3$, 0.1% (v/v) cytolase PCL5, $K_2S_2O_5$ (200 ppm), and yeast ($1.5{\times}10^7$ cell/ml). Fermentation then occurred for 2 weeks at $20^{\circ}C$. The pH value, total acidity, alcohol, and reducing sugar content of the resulting hardy kiwi wines of 25% (v/w) and 50% (v/w) water, were in a range of pH 3.4-3.7, 1.12-1.21%, 14.3-14.4%, and 15-16 g/l, respectively. Citric acid and fructose constituted the major organic acids and the free sugar of the 25% and 50% hardy kiwi wine, respectively. Volatile flavor components, including 10 kinds of esters, 8 kinds of alcohols, 5 kinds of acids, 3 kinds of others and aldehydes, were determined by GC analysis. The results of sensory evaluation demonstrated that 50% hardy kiwi wine is more palatable than 25% hardy kiwi wine.

키워드

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피인용 문헌

  1. Effect of maturity stage at harvest on antioxidant capacity and total phenolics in kiwifruits (Actinidia spp.) grown in Korea vol.56, pp.6, 2013, https://doi.org/10.1007/s13580-015-1085-y
  2. 단감 증류주의 품질 및 관능 특성 vol.44, pp.10, 2015, https://doi.org/10.3746/jkfn.2015.44.10.1510
  3. 야생 효모 Saccharomyces cerevisiae Y28을 이용하여 제조한 참다래-대봉감 혼합과실주의 이화학적 특성 및 향기성분 vol.52, pp.1, 2013, https://doi.org/10.7845/kjm.2016.5072
  4. Health effects of kiwi wine on rats: an untargeted metabolic fingerprint study based on GC-MS/TOF vol.9, pp.24, 2019, https://doi.org/10.1039/c9ra02138h