Journal of Life Science (생명과학회지)

Korean Society of Life Science (한국생명과학회)
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Comparison of Volatile Terpenoid Content from Thermal Processing Condition in Carrot

당근 가공시 열처리 조건에 따른 휘발성 Terpenoids 함량 비교

  • Park, Sin (Department of Agricultural Chemistry, Daegu University)
  • 박신 (대구대학교 자연자원학부 농화학전공)
  • Published : 2002.10.01
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Abstract

Changes in the content of volatile terpenoids were investigated with heat-treated carrot. As heat treatment temperature became higher, the amount of volatile terpenoids decreased significantly. According to heat-treatment period, the volatile terpenoids, a-pinene and total terpenoids, decreased drastically during the initial 30-minutes of heat treatment but the rate of decrease slowed down afterwards. When changes in the content of volatile terpenoids in carrot juice were investigated according to sterilization temperature and period, the content decreased quickly with higher sterilization temperature. According to sterilization period, the content of volatile terpenoids decreased drastically during the initial 20-minutes of sterilization but decreased gradually afterwards. The amount of total terpenoids decreased more when sterilization was done at 10$0^{\circ}C$ for 20 minutes compared to sterilization at 6$0^{\circ}C$ and 8$0^{\circ}C$ for 60 min. In order to reduce the amount of volatile terpenoids in carrot juice, sterilization at high temperature for a short period of time would be more effective compared with sterilization at low temperature for a long period of time.

당근의 열처리 조건에 따른 휘발성 terpenoids 함량의 변화를 조사하였는데, 열처리 온도가 높을수록 휘발성 terpenoids가 많이 감소하였으며, 열처리 시간에 따른 휘발성 terpenoids는 $\alpha$-pinene 및 total terpenoids의 경우 최초 30분 동안 급속히 감속하였으며, 그 후 시간이 지남에 따라 감소율이 낮아지는 경향을 보였다 당근주스의 살균 온도별, 시간별 휘발성 terpenoids의 변화를 조사한 결과, 살균온도가 높을수록 휘발성 terpenoids 함량이 빠른 속도로 감소함을 보여주고 있으며, 살균시간에 따른 휘발성 terpenoids의 함량은 최초 20분간 급속히 감소하다가 이후에는 완만하게 감소하였다. Total terpenoids의 경우 10$0^{\circ}C$에서 20분간 살균했을 시 6$0^{\circ}C$ 및 8$0^{\circ}C$에서 60분간 살균했을 시 보다 더 많이 감소하였는데, 당근주스의 휘발성terpenoids 함량을 줄이기 위해서는 고온단시간 살균이 저온장시간 살균보다 더 유리하다는 것을 알 수 있었다.

Keywords

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