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不同马铃薯品种淀粉及蒸食品质的差异
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摘要
以东北地区栽培的6个马铃薯品种"尤金""东农310""东农308""东农312""延薯4号"和"夏坡蒂"为试验材料,测定不同马铃薯品种的总淀粉含量和直连淀粉含量,观察块茎扫描电镜图像,并进行蒸食感官性评定,明确各品种的淀粉特性及蒸食品质差异,为选育高产且口感上佳的马铃薯品种提供理论依据。结果表明,"东农308"和"东农310"的淀粉含量显著高于其他品种;"尤金"的直链淀粉含量最高。"夏坡蒂"的淀粉粒径最大,"尤金"的淀粉粒径最小;"东农310"单位面积内的淀粉颗粒最多。各品种块茎蒸食感官性评价结果显示,品种间在风味、咀嚼性、硬度、黏性和油润度等方面均有差异,块茎淀粉含量与结构对蒸食后的品质有重要影响。
引文
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