Food Science and Preservation (한국식품저장유통학회지)

The Korean Society of Food Preservation (한국식품저장유통학회)
권호 표지

Quality and Sensory Characteristics of White Bread added with Various Ginseng Products

인삼제품의 첨가에 따른 제빵적성 및 관능평가

  • Song, Mi-Ran (Geumsan Agricultural Development & Technology Center) ;
  • Lee, Ka-Soon (Geumsan Ginseng & Medicinal Crop Experiment. Station, CNARES) ;
  • Lee, Byeong-Chan (Department of Food Science and Technology, Chungnam National University) ;
  • Oh, Man-Jin (Department of Food Science and Technology, Chungnam National University)
  • 송미란 (금산농업기술센터) ;
  • 이가순 (충남농업기술원금산인삼약초시험장) ;
  • 이병찬 (충남대학교 식품공학과) ;
  • 오만진 (충남대학교 식품공학과)
  • Published : 2007.08.28
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Abstract

This study investigated the effect of ginseng products on the baking properties of white breads. Flour was substituted by ginseng products (ginseng at levels 2, 4, 6, and 8%, all w/w, of flour levels). Both ginseng powder (GP) and red ginseng powder (RGP) were used. Similarly, red ginseng extract (RGE) was substituted at levels of 1, 2, 3, and 4% (all w/w) of flour. The physical properties of each dough were assessed using farinograms, extensograms, and amylograms. Water absorption increased as the proportions of ginseng products rose. The dough surface areas and R/E (resistance/extensibility) values decreased, as did peak viscosities, at the proportions of ginseng products increased. The pH values during fermentation decreased as the proportions of ginseng products increased. The fermentation power of dough with GP was lower than that of control, and higher than that of dough with RGP or RGE, but the addition of ginseng products beyond certain levels weakened the gas retention power: The specific loaf volumes of breads with 2% GP were the highest at 5.41 mL/g. In breads with RGE, the specificloaf volume increased from 5.52 mL/g to 5.82 mL/g as RGE levels rose from 0% to 4%. Hardness increased with rising GP and RGP levels in breads with GP and RGP, but decreased with RGE levels in breads with RGE. The moisture contents of breads during storage tended to be higher than control in breads with ginseng products. Lightness increased with addition of GP and decreased upon addition of RGP or RGE, while redness and yellowness increased after addition of any ginseng products. In sensory evaluation tests, the sensory scores for texture, color, mouth feel, and overall acceptability, were high, when any ginseng product (GP, RGP or RGE) was present at 2%. Of these breads, the bread with 2% RGE attained the highest sensory score.

백삼분말, 홍삼분말 및 홍삼추출농축액 등의 인삼제품을 첨가하여 기능성 식빵 제조에 이용하고자 인삼제품의 첨가량을 달리하여 반죽에 대한 물성을 측정하고 식빵을 제조하여 품질특성을 조사하였다. Farinograph, extensograph 및 amylograph에 의한 분석결과, 인삼제품의 첨가량이 증가할수록 높은 수분흡수력이 나타났고 반죽의 안정도가 무첨가구에 비하여 불안정하여 반죽시간이 단축되었으며 R/E값 및 점도가 감소하였다. 또한 발효시간의 경과에 따라 pH는 하강하였으며 발효팽창력은 무첨가구보다 우수하였으나 일정량이상의 첨가는 가스보유력을 약화시켰다. 인삼분말제품 첨가에 따른 비용적은 백삼분말 2% 첨가 시 5.41 mL/g으로 가장 높았고 홍삼추출농축액첨가제품은 첨가량이 증가할수록 높아져서 4% 첨가 시 5.82 mL/g을 나타냈다. 인삼제품을 첨가한 식빵의 저장 중 경도를 측정한 결과 백삼 및 홍삼분말첨가 시는 무첨가구에 비하여 초기경도가 높았으며 저장일수가 증가할수록 증가하였고 홍삼추출농축액을 첨가한 제품은 초기경도가 무첨가구보다 낮았으며 저장일수가 증가함에 따라 경도의 증가폭이 작았다. 색도 측정결과 인삼제품첨가량이 증가할수록 적색도와 황색도가 증가하였으며 관능검사결과 전체적인 기호도면에서 홍삼추출농축액 2% 첨가한 제품에서 가장 좋은 기호도를 나타내었다.

Keywords

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