Journal of Practical Agriculture & Fisheries Research (현장농수산연구지)

Korea National University of Agriculture and Fisheries (국립한국농수산대학교 교육개발센터)
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Physicochemical and Diastase Activity Properties for Domestic and Imported Honey

국내산 및 수입산 벌꿀의 물리적 특성 및 Diastase 활성 평가

  • Juae Gil (Korea Institute for Animal Products Quality Evaluation) ;
  • Wang Yeol Lee (Korea Institute for Animal Products Quality Evaluation) ;
  • Hye-kyung Kim (Department of Agriculture and Fisheries Convergence, Korea National University of Agriculture and Fisheries)
  • 길주애 (축산물품질평가원) ;
  • 이왕열 (축산물품질평가원) ;
  • 김혜경 (국립한국농수산대학교 농수산융합학부)
  • Received : 2024.08.21
  • Accepted : 2024.09.19
  • Published : 2024.09.30
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Abstract

This study investigated the electrical conductivity, pH, and diastase activity characteristics of 31 types of domestic and imported honey, which are not currently used in the Korean honey grading system, to determine the feasibility of introducing these indicators into the honey grading system. The results showed that the moisture content of domestic and imported honey is around 20%, indicating that domestic quality standards are relatively well controlled, and the pH values are distributed in the range of pH 3.91 to 6.31. The electrical conductivity of domestic and imported honey ranged from 0.09-1.51mS/cm, which showed a large difference between the samples. Although there was a large difference of electrical conductivity from the honey types, further research is needed to determine whether it is applicable to Korean honey. Finally, in the case of diastase activity, Korean honey showed relatively high DN values compared to imported honey from Vietnam, New Zealand, the United States, and China. Therefore, diastase activity is an important indicator for evaluating the quality of honey, and further research is needed to confirm its feasibility as an additional indicator for the domestic honey grading system in Korea. This study evaluated the physical properties and enzyme activity characteristics of domestic and imported honey, and is expected to provide basic information for the establishment of a honey grading system, thereby improving consumer trust in the honey grading system and enhancing the development of honey distribution in Korea.

벌꿀은 과당 및 포도당 외 다양한 생리활성 물질을 함유하고 있어 매우 선호도가 높은 식품이지만, 최근 기후변화 등으로 벌꿀 생산성 및 수입산 벌꿀에 대한 가격경쟁력이 급격히 낮아지고, 진위 여부에 대한 소비자 불신이 팽배해 있어 이에 대한 대책 마련이 시급하다. 이에 따른 대책으로 우리나라는 2023년부터 꿀 등급제를 전면 시행하고 있으며, 현재 시행되고 있는 꿀 등급제 지표를 새롭게 도입해야 하는지에 대한 연구도 지속적으로 이루어질 필요가 있다. 이에 본 연구에서는 현재 우리나라 벌꿀 등급제에서 사용하고 있지 않는 지표인 전기전도도, pH 및 효소 활성 특성을 국내산과 수입산 벌꿀 31종을 비교함으로써 해당 지표의 꿀 등급제 도입 가능성을 확인해 보고자 하였다. 그 결과, 국내산 벌꿀 및 수입산 벌꿀의 수분함량은 20% 내외로 국내 품질 규격 관리가 비교적 양호한 것으로 판단되며, pH 값은 pH 3.91-6.31 범위로 분포하여 산성을 나타내는 것으로 확인되었다. 국내산 벌꿀 및 수입산 벌꿀의 전기전도도는 0.09-1.51mS/cm로 시료간에 큰 차이를 보였지만, 벌꿀 종류에 따른 차이가 크므로 우리나라 벌꿀에 적용 가능한지에 대해서는 추가 연구가 필요할 것으로 보인다. 마지막으로 diastase 활성의 경우, 국내산 벌꿀은 베트남, 뉴질랜드, 미국, 중국 수입산 벌꿀과 수입산 벌꿀에 비해 상대적으로 높은 DN 값을 보였다. 이에 따라 diastase 활성도는 벌꿀의 품질을 평가할 수 있는 중요한 지표이니만큼 국내 꿀 등급제를 위한 추가 지표로써 도입 가능성 확인을 위한 추가 연구가 필요하다. 본 연구는 국내산 및 수입산 벌꿀에 대한 물리적 특성 및 효소 활성 특성을 평가한 논문으로 꿀 등급제 기준 마련을 위한 기초 정보를 제공함으로써 꿀 등급제를 통한 소비자의 신뢰를 향상 및 벌꿀 유통 선진화를 제고할 수 있기를 기대한다.

Keywords

Acknowledgement

본 성과물은 축산물품질평가원 학술연구용역사업(벌꿀 등급제도 발전 방향 수립) 에 의해 이루어진 것임.

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