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On the use of differential solubility in aqueous ethanol solutions to narrow the DP range of food-grade starch hydrolysis products.
Balto, Amy S; Lapis, Trina J; Silver, Rachel K; Ferreira, Andrew J; Beaudry, Christopher M; Lim, Juyun; Penner, Michael H.
Afiliación
  • Balto AS; Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA.
  • Lapis TJ; Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA.
  • Silver RK; Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA.
  • Ferreira AJ; Department of Chemistry, Oregon State University, Corvallis, OR, USA.
  • Beaudry CM; Department of Chemistry, Oregon State University, Corvallis, OR, USA.
  • Lim J; Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA. Electronic address: juyun.lim@oregonstate.edu.
  • Penner MH; Department of Food Science and Technology, Oregon State University, Corvallis, OR, USA. Electronic address: mike.penner@oregonstate.edu.
Food Chem ; 197(Pt A): 872-80, 2016 Apr 15.
Article en En | MEDLINE | ID: mdl-26617029
Considerable research is focused on understanding the functionality of starch hydrolysis products (SHP) consisting of glucose, maltose, maltooligosaccharides (MOS), and maltopolysaccharides (MPS). A confounding factor in this research is the high molecular dispersity of commercially available SHP. The study presented herein characterizes a flexible fractionation approach for lowering the dispersity of such products. This was accomplished by fractionating a corn syrup solids (CSS) preparation based on the differential solubility of its component saccharides in aqueous-ethanol solutions. Products obtained from selected fractionations were characterized with respect to degree of polymerization (DP; liquid chromatography), dextrose equivalency (reducing sugar assays), and prevalence of branching (NMR). Glucose and maltose were preferentially removed from CSS using high (⩾90%) ethanol extractants. Preparations with relatively narrow ranges of MOS, lower DP MPS, and higher DP MPS were obtained through repetitive 70%-ethanol extractions. Linear, as opposed to branched, MOS and MPS were preferentially extracted under all conditions tested.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligosacáridos / Almidón / Etanol / Glucosa / Maltosa Tipo de estudio: Risk_factors_studies Idioma: En Revista: Food Chem Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oligosacáridos / Almidón / Etanol / Glucosa / Maltosa Tipo de estudio: Risk_factors_studies Idioma: En Revista: Food Chem Año: 2016 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Reino Unido