Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Effect of Maltodextrin and Recycled Dehydration Liquid on the Quality Characteristics of Green Pepper

Maltodextrin과 재사용 탈수액이 고추의 품질에 미치는 영향

  • Published : 2009.12.30
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Abstract

Green peppers were dried using maltodextrin and recycled dehydration liquid as dehydrating agents, and the quality of dried green pepper powders was compared with that of freeze-dried and hot air-dried samples in terms of moisture content, color, antioxidant activity, capsaicinoid level, and sensory acceptability. The moisture content of maltodextrin-treatedgreen pepper powder was higher than that of samples prepared using recycled dehydration liquid. The lightness (L) value rose with increasing concentrations of maltodextrin powder or liquid. The antioxidant activities of pepper powders prepared using the molecular press dehydration method were similar to that of alpha-tocopherol, and better than that offreeze-dried or hot air-dried samples. Capsaicinoid levels fell with increasing concentrations of maltodextrin powder and liquid. The sensory evaluation data on green pepper powders prepared using the molecular press dehydration method were better than those obtained when freeze-dried and hot air-dried samples were evaluated. These results indicate that drying of green pepper powders using maltodextrin and recycled dehydration liquid as dehydrating agents is very efficient.

탈수제(maltodextrin)와 탈수제 첨가로 분리된 탈수액을 농도별로 첨가한 분자압축탈수방법으로 건조시 킨 고추분말, 동결건조와 열풍건조 시킨 고추분말의 품질을 비교 평가하였다. 분자압축탈수 건조한 고추분말의 수분함량, 색도측정, 항산화활성 측정, capsaicinoids 함량, 관능평가를 분석한 결과 수분함량의 경우 동결건조와 열풍건조 그리고 분자압축탈수의 건조 방식이 달라차이가 나타났지만 분자압축탈수를 이용한 건조에서는 탈수제 첨가보다 재사용 탈수액 첨가가 최종수분함량이 낮게 나타났다. 색도는 분자압축탈수방법으로 이용된 탈수제와 재사용 탈수액 첨가농도가 증가할수록 명도(lightness)가 조금씩 증가하였다. 항산화활성측정은 분자압축탈수 건조한 고추분말의 시료가 합성항산화제 BHA, BHT의 보다는 낮게 나타났지만 동결건조분말과 열풍건조분말보다는 높게 나타났다. 천연 항산화제인 alpha-tocopherol과는 차이가 나타나지 않았다. Capsaicinoids 함량은 탈수제 및 재사용 탈수액 농도의 증가에 따라 낮아졌다. 관능평가에서는 색(color), 외관(external), 향기(flavor), 맛(taste) 및 전체적인 기호도(overall acceptabil를)에 대하여 동결건조분말과 열풍건조분말보다 분자압축탈수방법을 이용한 고추분말이 우수하였다. 그러므로 본 연구에서는 동결건조 및 열풍건조 처리한 고추분말보다 분자압축탈수방법을 이용한 고추가 고품질 고추분말제품을 활용하는데 우수하다고 판단된다.

Keywords

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