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首页> 外文期刊>Journal of Food Measurement and Characterization >Ferulic, p-coumaric, diferulic and triferulic acids contents of corn tortillas prepared with extruded corn flour and enriched with sorghum (Sorghum bicolor (L.) Moench) bran
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Ferulic, p-coumaric, diferulic and triferulic acids contents of corn tortillas prepared with extruded corn flour and enriched with sorghum (Sorghum bicolor (L.) Moench) bran

机译:用挤压玉米粉制备的玉米粉体,玉米粉体的玉米粉饼和富含高粱(高粱双子(L.)烟道)麸皮

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摘要

Two ways of adding sorghum bran to tortillas were evaluated; adding to the corn flour before extrusion or after extrusion. The addition of sorghum bran increased the ferulic (FA), p-coumaric (p-CA), diferulic (di-FA) and triferulic (tri-FA) acids contents in corn flours and tortillas. Extrusion produced an increment of the free forms, and a part of the ferulic acid was degraded as a consequence of the extrusion conditions. Baking produced a reduction of bound and free forms of the phenolic acids in tortillas, however, high retention percentage of the phenolic acids was observed in flours and tortillas (83-90%). The antioxidant activity of flour and tortillas were correlated to the contents of the phenolic acids, especially with bound di-FA and tri-FA combined (r = 0.92). Adding the sorghum bran before extrusion, produced flours with increased free phenolic acids content, and increased in vitro antioxidant activity.
机译:评估了两种向玉米饼添加高粱麸皮的方法; 在挤出前或挤出后加入玉米粉。 高粱麸皮增加了玉米粉和玉米饼中的阿魏(Fa),P-香豆(P-Ca),差异(Di-Fa)和Trifrulic(Tri-Fa)酸含量。 挤出产生自由形式的增量,并且由于挤出条件而降解了一部分的阿魏酸。 烘焙生产玉米饼中酚酸的结合和自由形式的减少,然而,在面粉和粉饼(83-90%)中观察到酚酸的高保留百分比。 面粉和粉体的抗氧化活性与酚酸的内容物相关,特别是含有结合的Di-Fa和三-F组合(R = 0.92)。 在挤出之前添加高粱麸皮,产生的面粉,具有增加的游离酚酸含量,并增加体外抗氧化活性。

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