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논문검색

A Novel Maltopentaose-Producing Amylase as a Bread Antistaling Agent

초록

영어

A maltopentaose-producing amylase (G5-amylase) from Bacillus megaterium KSM B-404 was applied to retard bread retrogradation. Retrogradation rates were determined by differential scanning calorimetry. Gel permeation chromatography determined changes in maltooligosaccharide composition and the molecular weight profiles of carbohydrate tractions. The baking process produced maltopentaose and maltotriose by the hydrolysis of starch molecules into small units. Amylose and amylopectin degradation as well as maltooligosaccharides produced by the enzyme were likely responsible for retarding starch retrogradation. Overall, addition of G5-amylase reduced the starch retrogradation rate, and was as effective as Novamyl(R), a commercial enzyme.

목차

Abstract
 Introduction
 Materials and Methods
 Results and Discussion
 Acknowledgments
 References

저자정보

  • Auh, Joong-Hyuck Center for Agricultural Biomaterials and Department of Food Science and Biotechnology, School of Agricultural Biotechnology, Seoul National University
  • Lee, Su-Yong Center for Agricultural Biomaterials and Department of Food Science and Biotechnology, School of Agricultural Biotechnology, Seoul National University
  • Yoo, Seung-Seok Department of Culinary Science, Honam University
  • Son, Hyun-Ju Division of Food Science, College of Life and Environmental Sciences, Korea University
  • Lee, Jae-Woo Department of Food Science and Nutrition Management, Gimcheon College
  • Lee, Sung-Joon Division of Food Science, College of Life and Environmental Sciences, Korea University
  • Kim, Young-Bae Division of Food Science, College of Life and Environmental Sciences, Korea University
  • Park, Kwan-Hwa Center for Agricultural Biomaterials and Department of Food Science and Biotechnology, School of Agricultural Biotechnology, Seoul National University

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