Analysis of β-glucan molar mass from barley malt and brewer’s spent grain with asymmetric flow field-flow fractionation (AF4) and their association to proteins

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• 作者：Claudia Zielke^a ; ¹ ; ^{Claudia.zielke@food.lth.se} ; Cristina Teixeira^b ; ¹ ; Huihuang Ding^c ; Steve Cui^c ; Margareta Nyman^b ; Lars Nilsson^a
• 关键词：AF4 ; asymmetric flow field-flow fractionation ; a.u. ; arbitrary units ; AX ; arabinoxylan ; BSG ; brewer&rsquo ; s spent grain ; dRI ; differential refractive index ; dn/dc ; refractive index increment ; FL ; fluorescence ; HPSEC ; high performance size exclusion chromatography ; MALS ; multiangle light scattering
• 刊名：Carbohydrate Polymers
• 出版年：2017
• 出版时间：10 February 2017
• 年：2017
• 卷：157
• 期：Complete
• 页码：541-549
• 全文大小：1756 K
• 卷排序：157

文摘

Barley variety and steeping change more β-glucan molar mass than malt mashing. Adding proteolytic enzymes lowers the molar mass of large β-glucan species. Proteins might be linked to β-glucan and affect the molar mass.