Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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Comparative Studies on the Fatty Acid Composition of Korean and Chinese Sesame Oils and Adulterated Sesame Oils with Commercial Edible Oils

국내산 및 중국산 참기름과 변조 참기름의 지방산 조성에 관한 연구

  • Published : 2002.02.01
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Abstract

This study was carried out to determine the composition of fatty acids from the samples such as Korean and Chinese sesame oils and adulterated sesame oils with commercial edible oils including soybean and corn oils collected in Gyeongnam area. The fatty acid composition of sesame oils extracted from commercial Korean and Chinese sesame showed similar pattern except the result that Korean sesame oils contained lower levels of palmitic acid, stearic acid and higher level of linolenic acid than Chinese sesame oils. In adulterated sesame oils with commercial soybean oil, the composition of linolenic acid was increased 0.73$\pm$0.05%, 1.25$\pm$0.04% by adding of commercial soybean oil, 3%, 9%, respectively. And that of the linoleic acid was 50.22$\pm$0.06%, 51.14$\pm$0.05% by 5%, 9% addition of commercial corn oil, respectively. From these results, sesame oils and adulterated sesame oils with commercial edible oils will be verified by the composition analysis of fatty acids.

경남 도내에서 유통 중인 국내산 참기름과 중국산 참기름 각각 30건과 콩기름 및 옥수수기름 등의 식용유지를 첨가하여 변조한 참기를 12건에 대한 지방산 함량을 GC에 의한 정량법으로 분석하여 다음과 같은 결과를 얻었다. 국내산 참기름의 주요 지방산 평균 함량은 palmitic acid 8.26$\pm$0.04%, stearic acid 4.57$\pm$0.05%, oleic acid 39.25$\pm$0.05%, linoleic acid 46.82$\pm$0.07, linolenic acid 0.52$\pm$0.02%, arachidic acid 0.58$\pm$0.03% 등으로 나타났으며, 중국산 참기름은 palmitic acid 9.24$\pm$0.03%, stearic acid 5.11$\pm$0.04%, oleic acid 38.65$\pm$0.04%, linoleic acid 46.02$\pm$0.06%, linolenic acid 0.42$\pm$0.04%, arachidic acid 0.56%$\pm$0.04% 등으로 각각 나타났다. 국내산 참기름은 포화 지방산인 palmitic acid와 stearic acid가 중국산 참기름보다 적게 함유되어 있었고 불포화 지방산인 linolenic acid는 반대로 많이 함유되어 있었다. 국내산 참기름에 콩기름을 0%, 3%, 9%씩 첨가했을 때 불포화지방산인 linolenic acid가 각각 0.52$\pm$0.02%, 0.73$\pm$0.05%, 1.25$\pm$0.04%로 현저히 증가되었으며, 옥수수기름을 0%, 5%, 9%씩 첨가했을 때는 불포화지방산인 linoleic acid의 함량이 각각 46.82$\pm$0.07%, 50.22$\pm$0.06%, 51.14$\pm$0.05%로 증가됨이 확인되었다. 참기름의 산지별 확인과 식용유지를 첨가한 변조참기름에 대해서는 각각의 지방산 함량에서 특이성을 보이고 있으나 일부지역에서 구입한 국내산과 중국산 참기름에서 유사한 결과치를 보여 앞으로 국내에서 유통되는 참깨나 참기름에 대하여 더 많은 연구가 필요할 것으로 사료된다.

Keywords

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