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Effect of Hydrocolloids on the Quality of Rice Dumpling Skins

Hydrocolloids가 쌀만두피 특성에 미치는 영향

  • Received : 2013.02.15
  • Accepted : 2013.04.03
  • Published : 2013.06.30

Abstract

This study investigated the formation of rice dumpling skins with various food additives to improve their texture. Rice (Millyang260 and Hanarum) was obtained from the Rural Development Administration. Rice was milled through an air classifying mill (ACM), and hydroxypropyl methylcellulose (HPMC), xanthan gum, guar gum, carrageenan, or propylene glycol alginate (PGA) was used as food additives. The effects of hydrocolloids on textural were evaluated and rice dumpling skin prepared with additives showed significantly higher values than the control for cooking properties and texture. The presence of hydrocolloids in rice dumpling skin appeared to decrease its weight and volume after cooking. Textural properties of rice dumpling skin with hydrocolloids were similar to the control regardless of cooking condition.

쌀품종에 따른 hydrocolloids를 첨가하여 쌀만두피를 제조 시 쌀가루의 입도, 쌀만두피의 조리특성 및 조직감을 측정한 결과, air classifying mill(ACM)을 이용하여 건식분쇄한 쌀가루의 입도 분포는 중력분과 유사하였고, 평균입자크기를 중심으로 조밀한 입자 분포를 나타내었다. 조리특성에서 hydrocolloids를 첨가한 경우, 밀양260호의 무게증가율은 낮아졌으나 한아름은 증가하는 경향을 나타냈다. 만두피의 조리 후 조직감은 쌀 품종별로 차이가 나타남을 관찰할 수 있었으며, hydrocolloids를 첨가함에 따라 경도가 낮고 탄성은 증가함을 알 수 있었다. Hydrocolloids를 첨가한 경우 첨가하지 않은 군에 비해 가공 특성 및 조리 후 특성 모두 우수함을 알 수 있었으며, 쌀 품종 및 첨가물의 종류에 따라 다른 특성을 관찰할 수 있어 쌀 품종별 이화학적 특성과 hydrocolloids와의 관계를 보다 더 많은 연구를 진행해보아야 할 것으로 생각되어진다.

Keywords

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