Abstract
밀원을 달리한 다양한 꿀의 특성을 조사하기 위하여 아카시아꿀 7개, 잡화꿀 9개, 밤꿀 5개, 토종꿀 5개의 시료를 이용하여, 회분 함량, 무기물 조성과 HMF(hydroxy methyl furfural)함량 및 꿀 단백질의 SDS-PAGE에 의한 단백질 분자량을 조사한 결과는 다음과 같다. 회분 함량은 아카시아꿀이 0.046-0.119%이었으며, 밤꿀은 0.565-1.318%, 잡화꿀 0.06-0.582%, 토종꿀 0.237-0.893% 이었다. 무기물 분석에서 K함량은 밤꿀>토종꿀>잡화꿀>아카시아꿀 순으로 높았으며, Ca함량은 아카시아꿀과 잡화꿀에서 가장 높았다. 아카시아꿀의 Na/K ratio는 0.92-1.97, 밤꿀은 0.02-1.59, 잡화꿀은 0.02-5.30, 토종꿀은 0.22-0.51이었다. 또한 HMF 함량은 밀원의 종류에 관계없이 다양하게 나타나, 아카시아꿀이 9.60-12.85 mg/kg, 밤꿀은 10.15-25.75 mg/kg, 토종꿀은 9.7-33.5 mg/kg, 잡화꿀은 6.25-21.5 mg/kg 이었으며, 토종꿀에서 가장 높았다. SDS-PAGE에 의한 단백질 band의 분자량 분석에서 양봉꿀의 특이적인 59 kDa 단백질이 모든 시료에서 나타났다. 밤꿀과 토종꿀에서 양봉꿀의 특이성을 나타내는 59.0 kDa의 단백질 band 이외에 31.9-33.5 kDa 단백질의 존재가 확인되었다. 72 kDa의 단백질 band도 몇 종의 밤꿀(71.8, 71.9 kDa)에서 확인되었다. This study was conducted to analyze ash content, mineral composition, hydroxy methyl furfural (HMF) content, stable carbon isotope ratio, and SDS-polyacrylamide gel electrophoresis patterns to investigate the quality characteristics of various honeys harvested from different sources and to identify differences useful for distinguishing honey sources. Ash content was 0.046-0.012% in acacia honey, 0.565-1.318% in chestnut honey, 0.06-0.582% in polyfloral honey, and 0.237-0.893% in native bee honey. Potassium content was high in order of chestnut honey>native bee honey>polyfloral honey>acacia honey. The Na/K ratio was 0.92-1.97 in acacia honey, 0.02-1.59 in chestnut honey, 0.02-5.30 in polyfloral honey, and 0.22-0.51 in native bee honey. The HMF content was 9.60-12.85, 10.15-25.75, 9.7-33.5, and 6.25-21.5 mg/kg in acacia, chestnut, native bee, and polyfloral honeys, respectively. HMF content was the highest in native bee honey. A 59 kDa protein band was revealed in all samples by SDS-PAGE analysis. Protein bands of 32.1, 31.9, and 33.5 kDa were revealed in some chestnut honeys, and protein bands of 32.3 and 32.5 kDa were shown in native bee honeys. A protein band of 72 kDa was also confirmed in some chestnut honeys.
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More From: Korean Journal for Food Science of Animal Resources
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