Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Changes in 3-Butenyl Isothiocyanate and Total Glucosinolates of Seeds and Young Seedlings during Growth of Korean Chinese Cabbages

배추 종자 및 어린 싹의 성장 시기에 따른 3-butenyl isothiocyanate 및 total glucosinolates 함량 변화

  • 김연경 (덕성여자대학교 식품영양학과) ;
  • 김건희 (덕성여자대학교 식품영양학과)
  • Published : 2003.09.01
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Abstract

The main objective of this study was to investigate the pattern of glucosinolates, in terms of 3-butenyl isothiocyanate, and total glucosinolates, in different parts of young seedlings and seeds in Korean Chinese cabbages. For determination of glucosinolates, 55 days and Winter pride cultivars of Korean Chinese cabbages seeds and different parts of 1, 3, 5, and 7-day-old seedlings were used for analytical sample preparation provided with an anion exchanges column, and measured by GC and UV-visible Spectrophotometer. The concentration of 3-butenyl ITC was higher in the cotyledon and the hypocotyl parts of 55 days cultivar seedling than those of Winter Pride cultivar. In the cotyledon parts of Winter pride cultivar seedling, 3-butenyl ITC amount was increase to 3-day-old seedling and then reduced. The cotyledon of 55 days cultivar contained the highest concentration of total glucosinolates while those were increased in the hypocotyl and decreased in the root. The level of total glucosinolates was increased to 5-day-old seedling and then decreased in the cotyledon and the hypocotyl parts of seedling in Winter pride cultivar. There was no significant difference of total glucosinolates in the root part. In the seeds, 55 days cultivar concentration was higher than Winter pride cultivar both of 3-butenyl ITC and total glucosinolates. In our study, the levels of 3-butenyl ITC and total glucosinolates depended on cultivars, growth stages, and parts in Korean Chinese cabbage.

배추의 품종별 종자 및 성장 시기에 따른 3-butenyl isothiocyanate 및 total glucosinolates를 분석하기 위하여 동풍배추(Winter Pride) 및 55일 배추(55 Days) 품종의 종자, 발아 1일, 3일, 5일, 7일 된 어린 배추를 떡잎(cotyledon), 배축(hypocotyl), 뿌리(root) 부분으로 나누고 anion-exchange column(Dowex 1${\times}$2-100)을 통과시키고 아세톤 침전법을 사용하여 제조한 crude myrosinase로 반응시켜 함량 변화를 조사하였다. 종자에서는 55일 배추의 3-butenyl isothiocyanate의 함량이 동풍 배추 종자보다 다소 높았다. 55일 배추의 3-butenyl isothiocyanate 함량은 3-day-old seedlings의 떡잎과 배축에서 가장 높았으며 동풍 배추의 떡잎에서는 3-day-old seedlings까지 함량이 증가한 후 감소하였으며 배축은 3-day-old seedlings까지 함량이 증가하였다. Total glucosinolates를 분석한 결과 종자에서는 동풍 배추보다 35일 배추의 함량이 다소 높게 조사되었으며 55일 배추의 떡잎은 3-day-old seedlings에서 가장 높은 함량을 보였다. 배축 부분은 7-day-old seedlings까지 증가하였으며 뿌리 부분의 glucosinolates는 성장 기간동안 점차 감소하는 경향을 나타내었다. 동풍 배추의 떡잎과 배축 부분은 -day-old seedlings까지 증가하다가 감소하였다.

Keywords

References

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