Optimization of Ingredient Mixing Ratio for Preparation of Steamed Foam Cake with Barley (Hordeum vulgare L.) Sproutling Powder

어린보릿가루 첨가 거품형 찜케이크의 재료 혼합비율의 최적화

  • Seo, Min-Ja (Dept. of Food Science and Nutrition, Dankook University) ;
  • Jung, Su-Ji (Dept. of Food Science and Nutrition, Dankook University) ;
  • Jang, Myung-Sook (Dept. of Food Science and Nutrition, Dankook University)
  • 서민자 (단국대학교 식품영양학과) ;
  • 정수지 (단국대학교 식품영양학과) ;
  • 장명숙 (단국대학교 식품영양학과)
  • Published : 2006.12.31

Abstract

This study was performed to determine the optimum ratio of each ingredient in the steamed foam cake with barley (Hordeum vulgare L.) sproutling powder. The experiment was designed according to the D-optimal design of mixture design, which showed 14 experimental points including 4 replicates for three independent variables (sugar 112${\sim}$139%, barley sproutling powder 1${\sim}$8%, and oil 5${\sim}$25%). The compositional and functional properties of test were measured, and these values were applied to the mathematical models. A canonical form and trace plot showed the influence of each ingredient on the mixture final product. The results of F-test, volume, color values (L, a, b), textural properties (hardness, gumminess, chewiness) and sensory characteristics (softness) decided a linear model, while the sensory characteristics (color, smell, taste, overall acceptance) decided a quadratic model. The volume of steamed foam cake was increased by sugar addition, and a negative effect was exerted by barley sproutling powder and oil. L and a of color values increased but the b value decreased with increasing sugar and oil content, whereas barley sproutling powder tended to decrease all color values. The addition of barley sproutling powder also had a positive effect on the textural properties (hardness, gumminess, chewiness). Sensory characteristics (color, smell, softness, taste, overall acceptance) could suffer counter results with the excessive addition of sugar, barley sproutling powder, and oil. The optimum formulations by numerical and graphical methods were similar: sugar, barley sproutling powder, and oil were 130.4%, 4.0%, and 10.7% by numerical method, compared to 130.4%, 4.0%, and 10.7% by graphical method, respectively.

Keywords

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