Changes of Carotenoids of the Pumpkin Powder during Storage

저장중 호박분말의 카로테노이드 색소 변화

  • Published : 1997.02.01

Abstract

As a fundamental research for the development of pumpkin products, the changes of carotenoids were investigated in hot air dried pumpkin powder packed in PE/nylon film during storage at 2$0^{\circ}C$ under the dark and bright conditions. Total amounts of carotenoids in the dehydrated pumpkin powder were reduced by 65~70 percentage without effect of light after one month. The carotenoids of pumpkin powder were separated to five spots without effect of light by TLC, but difference of color was not significant throughout the storage period. By the analysis of HPLC, leutin, under bright condition, was increased from 15 days of storage but under dark condition it was not changed for one month. Meanwhile, p-carotene, under bright condition, was decreased from 15 days of storage but under drak condition it was decreased from 25 days. The contents of lycopene and $\alpha$ -carotene did not show any significant change throughout the storage period. In color analysis, yellowness value was de- creased in bright as well as dark condition from 10 day storage.

열풍건조한 호박분말을 2$0^{\circ}C$에서 1개월 저장하였을 때 저장 초기 총 카로테노이드 함량이 14.46mg%이던 것이 저장 1개월후 빛의 유무에 관계없이 약 65~70% 감소하였으며, TLC 분리에서 빛의 영 향에 관계없이 5개 의 반점으로 분리되었으나 저장시일의 경과에 따른 카로테노이드 색소의 차이를 구별하기는 어려웠다. HPLC에서 lutein의 경우 빛을 조사한 분말은 저장 15후 부터 함량이 다소 증가하였고, 빛을 차단한 분말은 1개월간 함량 변화가 일어나지 않았으며, lycopene은 모두 저 장 말기까지 거의 변화가 일어나지 않았다. $\beta$-Carotene 의 경우 빛을 조사한 처리구가 15일경부터 그 함량이 감소한 반면 빛을 차단한 분말은 저장말기에 가서야 감소하였으며, $\alpha$-carotene은 저장 전 기간을 통해 두 처리구 모두 변화를 나타내지 않았다. 색도조사에서 황색 도인 b값은 두처리구 모두 저장 10일 이후부터 감소하 였으나 빛 차단구의 경우가 그 감소폭이 적은 것으로 나타났다.

Keywords

References

  1. 채소원예학 강호윤;박승종;신언표
  2. Nutrition Reports International v.29 Carotenoids and vitamin A value of fresh and canned squashes Lee, C. Y.;Smith, N. L.;Robinson, R. W.
  3. Food Technol. v.62 Chemistry, uses and properties of carotenoids in foods Bunnel,R.H.
  4. Advances in Food Research v.15 Carotenoids, properties and utilization in foods Borenstein, B;Bunnel,R.H.
  5. 和色と生理. 訂正版 安田 齊
  6. Kagaku-no Ryoiki v.36 Chemistry of flower pigments : a review Takeda, K
  7. Am. J. Clin. Nutr. v.41 Increased green and yellow vegetable intake and lowered cancer deaths in an elderly population Cilditz, G. A.;Branch, L. G.
  8. Pure. Appl. Chem. v.57 Carotenoids and cancer prevention expremental and epidemiological studies Mathews, R. M.
  9. Food Res. v.25 The carotenoids of apricots Curl, A. L.
  10. Nippon Shokuhin Kogyo Gakkaish v.18 Studies on citrus carot-enoids Umeda, K.;Kawashima, K
  11. Chromatographia v.17 Separation of citrus carotenoids by reversed phase HPLC Noga, G.;Lenz, F
  12. 한국식품개발연구원 연구보고서, E1117-0208 호박의 활용도 개발연구 석호문;박용곤;허우덕;하재호