Korean Journal of Food Science and Technology (한국식품과학회지)

Korean Society of Food Science and Technology (한국식품과학회)
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Application of Sweetness Inhibitor, Na$\pm$2-(4-Methoxyphenoxy)propanoic Acid, to Modify Sweetness and to Improve Shelf Life and Texture in Pound Cake

파운드케익의 단맛조절과 보존기간 및 조직감 향상을 위한 Na$\pm$2-(4-methoxyphenoxy)propanoate의 응용

  • Lee, Sung-Kyu (Department of Food Science and Biotechnology, Institute of Life Science and Resources, Kyung Hee University) ;
  • Baik, Moo-Yeol (Department of Food Science and Biotechnology, Institute of Life Science and Resources, Kyung Hee University) ;
  • Jang, Hyuk-Rae (Department of Hotel Culinary Art, Kimpo College) ;
  • Park, Seung-Kook (Department of Food Science and Biotechnology, Institute of Life Science and Resources, Kyung Hee University)
  • 이성규 (경희대학교 식품생명공학과) ;
  • 백무열 (경희대학교 식품생명공학과) ;
  • 장혁래 (김포대학 호텔조리과) ;
  • 박승국 (경희대학교 식품생명공학과)
  • Published : 2008.10.31
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Abstract

The purpose of this study was to demonstrate the inhibitory action and quality-improvement functions of sweetness inhibitor, Na$\pm$2-(4-Methoxyphenoxy) propanoate (Na-PMP) in pound cakes. Na-PMP was first used to evaluate the intensity of sweetness in different concentrations of sucrose and fructose solutions: Na-PMP (250 and 500 ppm) was added to the model solutions of 2.5, 5.0, 7.5, and 10% sucrose and the equi-sweetness levels of fructose with the sucrose solutions. Both concentrations of Na-PMP significantly modified the sweetness intensity for both model solutions. For practical application of Na-PMP, different levels of sucrose (10, 20, and 30%) were added to the basic recipe (a control) of pound cake preparation. Excessive sweetness due to the addition of high levels of sucrose to the basic recipe was modified by the addition of Na-PMP, which resulted in equi-sweetness as the control (p<0.05). Moreover, Na-PMP improved the texture and shelf-life of the pound cake.

본 연구에서는 표준 당 용액과 파운드 케익에서 단맛 억제제인 Na-PMP의 단맛 조절 기능을 증명하였다. 설탕은 여러 식품에서 수분 보유력, 조직감 그리고 맛과 관련된 식품의 특성과 같은 성질을 제공하는 중요한 성분 중의 하나이다. 그러나 식품에서 이러한 장점을 얻기 위하여 첨가하는 설탕의 양은 적절한 단맛의 범위를 벗어나는 과도한 양이므로 식품의 향미를 저해하는 결과를 초래하게 된다. 이러한 문제점을 해결하기 위하여 단맛 억제물질인 Na$\pm$2-(4-methoxyphenoxy)propanoate(Na-PMP)을 식품에 적용하였다. 먼저 2.5, 5.0, 7.5, 10.0%의 설탕 용액과 이 농도의 설탕 용액과 같은 단맛 강도를 갖도록 과당 용액을 제조하였다. 이 용액 각각에 250과 500 ppm의 두 가지 수준으로 Na-PMP를 혼합하여 저해 정도를 측정하였다. 이 두 가지 단맛 억제제의 농도에서 모두 단맛 강도가 유의적으로 저해되었다. 이 표준 용액에 대한 결과를 바탕으로 단맛 억제제를 파운드 케익에 적용하였다. 우선 과량의 설탕(10, 20, 30%)이 첨가된 파운드 케익에 대한 부피, 경도, 수분함량, 저장성에 대한 검사를 실시하였다. 물리적 측정 결과 설탕이 30% 더 첨가된 케익이 조직감과 저장성면에서 품질이 가장 좋았기 때문에 이 케익에 단맛 억제제를 45 ppm(1.5% of 10,000 ppm Na-PMP), 52.5 ppm(1.7% of 10,000 ppm Na-PMP,) 60 ppm(2.0% of 10,000 ppm Na-PMP)의 세가지 수준으로 첨가하여 관능검사를 실시하였다. 45 ppm의 Na-PMP를 첨가한 것이 파운드 케익의 기본 배합비와 단맛에 있어서 유의적 차이를 보이지 않았다. Na-PMP의 첨가는 설탕의 장점을 유지하면서 파운드 케익의 과량의 단맛을 효과적으로 억제하였다.

Keywords

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