Journal of the Korean Society of Food Culture (한국식생활문화학회지)

Korean Society of Food Culture (한국식생활문화학회)
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Oxidative Stability of the Pine Needle Extracted Oils and Sensory Evaluation of Savored Laver Made by Extracted Oils

솔잎추출유의 산화 안정성 및 추출유를 이용한 맛김의 관능적 평가

  • 정혜경 (호서대학교 자연과학부 식품영양학) ;
  • 최창숙 (호서대학교 자연과학부 식품영양학) ;
  • 이지현 (호서대학교 자연과학부 식품영양학) ;
  • 장문정 (국민대학교 사범대학 가정교육과) ;
  • 강명화 (호서대학교 자연과학부 식품영양학)
  • Published : 2003.04.28
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Abstract

In order to evaluate the oxidative stability and sensory evaluation for the pine needle extracted oils, we prepared the pine needle extracted oils by the autoclave method with soybean and/or olive oils. The lipid peroxidation was monitored by measuring the formation of 2-thiobarbituric acid reactive substances(TBARS). In addition, the secondary reaction products of lipid oxidation were measured by fluorescence spectroscopy. A weight changing was decreased in oils added pine needle during storage periods. The formation of TBARS was the lowest in olive pine needle oils after 14 days storage, whereas it was the highest in soybean oil. The levels of fluorescent products in extracted oils added pine needle were also decreased in organic layers. According to the sensory evaluation, the scores of fragrance, taste and overall preference in savored laver using an pine needle extracted oils were no significant differences. Overall results suggest that the pine needle extracted oils can be developed to functional oil resources.

생· 찐솔잎에 콩기름과 올리브유를 첨가하여 추출한 솔잎추출유의 저장기간에 따른 산패도를 측정하였고 솔잎추출유를 김에 발라 제조한 맛김에 대한 관능검사 결과는 다음과 같다. 1. 저장기간에 따른 중량변화 측정 결과, 콩기름은 14일째 생 찐 솔잎추출유는 21일째 생 찐 올리브유 솔잎추출유는 14일부터 중량이 서서히 증가하여 28일에 중량이 가장 크게 증가하는 것으로 나타났다. 2. TBARS 생성량도 저장기간 14일째 콩기름에 비해 콩기름에 생 찐 솔잎을 첨가할 경우 TBARS의 함량이 유의적으로 낮았고, 28일째 올리브유도 생 찐솔잎을 첨가할 경우 TBARS의 함량이 유의적으로 낮게 나타났다. 3. 지방산 산화의 2차 생성물은 aqueous layer에서 저장기간에 따라 감소하였고 특히 14일째에 다른 추출유에 비해 콩기름이 크게 감소한 것으로 나타났다. 한편 organic layer는 저장기간 14일째 콩기름에서 가장 크게 증가하였고 솔잎을 첨가할 경우 유의적으로 감소한 것으로 나타났다. 올리브유의 경우도 솔잎을 첨가한 올리브 솔잎 추출유에서 2차 생성물이 감소한 것으로 나타났다. 4. 제조된 생 찐 솔잎 추출유를 김에 발라 7점 기호척도법을 이용하여 관능검사를 실시한 결과 향, 맛 그리고 전반적인 기호도 모두 유의적인 차이가 나타나지 않아 솔잎추출유를 김에다 바를 경우 거부감을 주지 않는 것으로 조사되었다. 이상의 결과 솔잎에 콩기름과 올리브유를 첨가하여 추출한 솔잎추출유는 원유보다 산화에 대해 안정한 것으로 나타났고, 이를 이용한 맛김도 좋은 것으로 평가되어 솔잎추출유의 식품에 이용 가능성이 시사되었다.

Keywords

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