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마이크로 웨이브로 처리한 산양삼 첨가가 전통 약주의 품질에 미치는 영향

Effect of Microwave Treated-Wild Ginseng on the Quality of Korean Traditional Yakju

  • 이대형 (경기도 농업기술원 작물개발과) ;
  • 강희윤 (경기도 농업기술원 작물개발과) ;
  • 이용선 (경기도 농업기술원 작물개발과) ;
  • 조창휘 (경기도 농업기술원 작물개발과) ;
  • 김순재 (경기도 농업기술원 작물개발과)
  • Lee, Dae-Hyoung (Gyeonggi-do Agricultural Research and Extension Services) ;
  • Kang, Heui-Yun (Gyeonggi-do Agricultural Research and Extension Services) ;
  • Lee, Yong-Seon (Gyeonggi-do Agricultural Research and Extension Services) ;
  • Cho, Chang-Hui (Gyeonggi-do Agricultural Research and Extension Services) ;
  • Kim, Soon-Jae (Gyeonggi-do Agricultural Research and Extension Services)
  • 투고 : 2011.04.28
  • 심사 : 2011.08.23
  • 발행 : 2011.12.31

초록

산양삼을 이용한 새로운 고부가가치의 전통 약주를 개발하기 위해 증자 멥쌀에 140%의 물을 혼합하고, 증자쌀 대비 3%의 개량누룩(Rhizopus sp.)과 1.5%의 건조 효모(Saccharomyces cerevisiae)를 첨가하여 2일간 $20^{\circ}C$에서 발효시켜서 밑술을 제조하였다. 여기에 밑술 대비 200%의 쌀을 첨가한 120%의 물을 혼합하고 정제효소를 0.08% 첨가 한 다음 발효 3일후 산양삼을 첨가하여 $20^{\circ}C$에서 발효시켰다. 산양삼 첨가량에 따른 에탄올 생성량을 조사한 결과 산양삼 1.2%를 첨가했을 때 18.5%의 에탄올이 생성되었고 산양삼의 첨가량이 증가할수록 에탄올 생성량에는 큰 차이가 없었다. 증자 발효와 무증자 발효방법에 따른 알코올 함량은 각각 18.0와 18.5%로 증자 발효와 무증자 발효간에 에탄올 생성능에 차이는 없었다. 산양삼 처리 방법에 따른 전통 약주중의 사포닌 함량 변화를 조사한 결과 마이크로웨이브를 처리한 산양삼을 첨가하여 제조한 산양삼약주의 경우 791 ppm의 사포닌을 함유하고 있었지만 생 산양삼을 첨가한 시료는 460.69 ppm, 증자한 산양삼 첨가의 경우에는 753.02 ppm의 사포닌이 함유되어 있었다. 마이크로웨이브 처리 시간에 따른 산양삼 첨가 약주의 사포닌 함량을 측정할 결과 90초와 120초와는 큰 차이가 나지 않았으며 120초가 넘게 마이크로웨이브를 처리했을 경우 산양삼의 외부 조직이 탄화되어 관능적으로 향이 나빠졌으며 맛에서도 좋지 않았다. 최종적으로 산양삼 1.2%를 첨가했을 때 에탄올 생성량과 기호도가 가장 우수하였고 산양삼을 마이크로웨이브로 90초 처리하여 첨가한 전통 약주가 가장 높은 사포닌 함량을 보였다.

To increase the quality of Korean traditional yakju, we prepared seed cultures by fermentation at $20^{\circ}C$ for 2 days after addition of 140% water, 3% nuruk and 1.5% yeast into cooked rice. After the 200% cooked rice, 120% water and 0.08% commercial saccharifying enzyme were added to seed cultures and fermented for 2 days at $20^{\circ}C$, wild ginseng was added and then further fermented for 5 days. Physicochemical properties of traditional yakju were investigated. Ethanol was produced (18.5%) by the addition of 1.2% wild ginseng. However, ethanol content was not increased by addition of microwave treated-wild ginseng and rice (either cooked rice or raw). The traditional yakju obtained by fermentation at $20^{\circ}C$ for 5 days, after 90 sec of microwave treated-wild ginseng was added into main fermentation broth, showed good total acceptability and also contained 791 ppm saponin.

키워드

참고문헌

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피인용 문헌

  1. Quality Characteristics and Ginsenosides Composition of Ginseng-Yakju According to the Particle Size of Ginseng Powder vol.18, pp.4, 2013, https://doi.org/10.3746/pnf.2013.18.4.234