Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
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Quality Characteristics of Bokryung-Byung Prepared with Bokryung (Poria cocos Wolf) Powder

재료 배합비를 달리한 복령병의 품질특성

  • Choi, Mi-Ae (Faculty of Herbal Food Cuisine and Nutrition, Daegu Hanny University)
  • 최미애 (대구한의대학교 한방식품 조리영양학부)
  • Received : 2012.06.08
  • Accepted : 2012.07.27
  • Published : 2012.08.30
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Abstract

In this research, to modernize traditional food and to make functional bokryung-byung, bokryung-byungwas made with Poriacocos Wolf powder added. During its storage, its moisture content ranged from 42.89 to 44.85%. The control group had the highes tmoisture content (44.85%), and it was reduced significantly as the Poriacocos Wolf powder in creased. The longer the storage period was, the lower the pH and the higher the acidity was. The total bacterial count increased from 2.70 to 3.00 Log CFU/g right after the manufacture and increased rapidly on the fourth day of the storage with more than 7.00 Log CFU/g. There was no difference between the control group and the bokryung-byung, though. The Hunter's color value after the manufacture, with the increase in the added Poriacocos Wolf powder, showed a significantly reduced brightness, but significantly increased redness and yellowness. Their chromaticity did not change, how ever, during their storageat a temperature of $20^{\circ}C$. The hardness, solidity, gumminess, and cohesiveness of the bokryung-byung increased, unlike in the control group, and its brittleness increased. In terms of the overall preference, the preference for the control group was high, but was higher when 5 % Poria cocos Wolf powder was added during the manufacture of the bokryung-byung. As a result of these correlations, it is believed that elastic and chewy dduks are preferred and bokryung-byungs could be developed as functional dduks.

멥쌀가루에 복령가루를 0, 5, 10, 15, 20% 첨가하여 제조한 복령병의 품질특성을 조사하였다. 저장기간 중 복령병의 수분함량은 42.89~44.85%로 대조구가 44.85%로 가장 높았으며, 복령가루 함량이 증가할수록 유의적으로 감소하였다. 저장기간이 경과할수록 pH는 낮아졌으며, 산도는 증가하였다. 총균수는 제조직후 2.70에서 3.00 log CFU/g이었으며, 저장 4일에는 7.00 log CFU/g 이상으로 급격히 증가하였다. 그러나 대조구와 복령병 간의 차이는 없었다. 제조직후에는 복령가루 첨가량이 증가할수록 명도는 유의적으로 감소하였으며, 적색도와 황색도는 유의적으로 증가하였다. $20^{\circ}C$에서 저장하는 동안 색도는 영향을 받지 않았다. 복령병의 경도, 강도, 검성, 응집력은 대조구에 비해 증가하였으며, 부서짐성은 증가하였다. 설기떡에 복령가루를 첨가하는 것은 기호도가 감소하였으며 그 결과 탄력성이 있고 쫄깃한 떡을 선호하는 것을 알 수 있었다. 전반적인 기호도에서는 대조구가 높게 평가되었으나, 복령병 제조시 복령가루 5% 첨가가 높은 기호도를 나타내어 기능성 떡으로 개발 가능성이 있는 것으로 판명되었다.

Keywords

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