Effects of Cattail Pollen Powders on the Rheology of Dough and Processing Adaptability of White Pan Bread

부들화분을 첨가한 밀가루 반죽의 물성과 제빵 적성

  • 이병찬 (충남대학교 식품공학과) ;
  • 정용면 (호서대학교 한국음식연구소) ;
  • 황성연 (한경대학교 식품생물공학과) ;
  • 이종화 (크레시앙 베이크리) ;
  • 오만진 (충남대학교 식품공학과)
  • Published : 2009.08.30

Abstract

To explore cattail pollen powder as a functional food ingredient, we analyzed the general components of pollen powder, tested changes in the physical properties of dough containing the powder, and investigated the process ability of powder-containing dough in bread making by adding 3%, 6%, or 9% by weight of pollen powder to wheat flour. Cattail pollen powder consisted of (all w/w) 12.7-13.2% water, 15.7-17.8% crude protein, 1.3% crude fat, 7.5-7.7% free sugar, 14.7-18.6% crude fiber, 3.4-4.9% pollen, and 49.7-55.9% soluble nitrogen-free extract (NFE). Analysis of the physical properties of dough mixed with pollen powder showed that as more pollen powder was added, the absorption rate increased, but dough stability decreased. With increasing levels of cattail pollen powder, the falling number decreased, and amylase activity increased. Fermentability was highest in dough made with 3% by weight of pollen powder, and the bread product made from such dough had the greatest volume. As more cattail pollen powder was added, the moisture activity in dough tended to decrease to a greater extent than seen in control dough, and this tendency increased with time. We found that longer storage periods were associated with greater hardness and springiness, which indicated degradation in product quality. Therefore, it is suggested that bread products containing cattail pollen powder should be consumed within 3 days of preparation. In a taste survey, bread baked with 3% (w/w) cattail pollen powder scored highest in all questionnaire items.

부들화분(Cattail pollen powder)을 기능성 빵의 소재로 활용하고자 화분의 일반 성분을 분석하고 소맥분에 부들화분을 3, 6, 9% 첨가하여 반죽의 물성 변화와 제빵의 가공 적성을 검토한 결과는 다음과 같다. 부들화분의 일반성분은 수분 12.7-13.2%, 조단백질 15.7-17.8%, 조지방 1.3%, 유리당 7.5-7.7%, 조섬유 14.7-18.6%, 회분 3.4-4.9%, 가용성 무 질소물 49.7-55.9%이었다. 소맥분에 부들화분을 첨가한 반죽의 물리적 특성은 첨가 비율이 높아질수록 흡수율은 증가하였으며, 반죽의 안정도는 감소하였다. 부들화분의 첨가에 따라 첨가 비율이 증가할수록 falling number값이 감소하였고 amylase활성이 높아졌다. 빵 반죽의 발효력은 부들화분 3% 첨가구에서 가장 우수하게 나타났으며 완제품에 있어서도 가장 큰 부피를 나타내었다. 수분활성도는 부들화분의 첨가량이 높아질수록 대조구보다 약간 감소하는 경향을 보였고 저장기간의 경과에 따라 크게 감소하였다. 빵의 hardness, springiness는 저장함에 따라 모두 증가하여 품질이 저하됨을 알 수 있었으며 부들화분을 첨가한 식빵 제품의 유통기한은 3일까지 설정하는 것이 바람직하다고 판단되었다. 빵의 기호도 조사에서 부들화분을 3% 첨가한 식빵의 기호도가 대조구에 비하여 모든 항목에서 가장 우수하였다.

Keywords

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