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  • Title: Effects of wheat-bran arabinoxylan as partial flour replacer on bread properties.
    Author: Koegelenberg D, Chimphango AFA.
    Journal: Food Chem; 2017 Apr 15; 221():1606-1613. PubMed ID: 27979135.
    Abstract:
    Effects on physical properties of white bread of adding crude (E1) and partially purified (E2) arabinoxylans (AX) from wheat bran to partially replace flour during baking, were investigated to identify optimal dosage. The E1 and E2 had molecular weights of 620,000 and 470,000Da with arabinose to xylose ratio of 0.7 and 0.6, respectively. However, ferulic acid of 1.5mg/100g, was detectable only in E1. The AXs were added to 100g white bread formulae at dosages of 0.8-1.2% with flour removal of 2-3%(w/w). The dough increased water absorption by 2% in the specified dosage range. An optimum dosage of 0.8% with 2.5% flour removal maintained similar weight, volume, height and firmness as standard white bread. At this dosage, AX addition in white bread holds both increased health and economic benefits because of combined roles as soluble dietary fibre and flour replacer.
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