시금치에 부착시킨 Captan의 제거에 관한 연구

A Study on Elimination of Captan Residues Sticked on Spinach

  • 정인철 (경성대학교 식품공학과) ;
  • 차경숙 (부산시 보건환경연구원) ;
  • 임채원 (부산시 보건환경연구원) ;
  • 김성준 (부산시 보건환경연구원) ;
  • 문윤희 (경성대학교 식품공학과)
  • 발행 : 1995.04.01

초록

Elimination of residual captan during the storage and cooking process was investigated. The concentration of residual captan after sticking and drying fo captan on spinach was 2.938ppm. During storage of 5, 10, 15 and 20 days at 15$^{\circ}C$, the amount of residual captan decreased to 73.18, 80.80, 89.99 and 98.40% of the initial amount, respectively. When spinach was stored at 3$^{\circ}C$, the concentration of residual captan decreased to 58.20, 61.37, 72.84 and 76.31% and the storage was carried out at -17$^{\circ}C$, residual captan amount decreased to 7.18, 22.67, 34.58 and 40.91% of the initial amout, respectively according to the storage period. In the case of the residual captan of seasoned spinach, the storage of 2, 24 and 48 hours at 15$^{\circ}C$, the amout of residual captan decreased to 0.772(39.69%), 0.661(77.50%) and 0.063ppm(97.86%) of the initial amount, respectively. When spinach was stored at 3$^{\circ}C$, the amount of residual captan decreased to 2.344 (20.22%), 1.021(65.25%) and 0.329ppm(88.80%) and the storage was carried out at -17$^{\circ}C$, residual captan amount decreased to 2.428(17.36%), 1.520(48.26%) and 0.726ppm(75.29%) of the initial amount, respectively according to the storage period. In the case of the residual captan of spinach cooked with edible oil for 2, 4 and 6 minutes and then cooking oil was discarded, each decreasing rate of the captan sticked to thespinach was 96.29, 97.86 and 99.18%, respectively. The rate of removed the captan sticked to the spinach with oil was 73.32, 86.32 and 87.13%, respectively. From these results, the storage in room temperature and the addition of seasoning to the spinach could lead to decrease in the concentration of the residual captan, furthemore the cooking could inhance decreasing of residual captan.

키워드

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