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- W3132520912 abstract "‘龙回红’脐橙是赣南脐橙遭受冻害后发生芽变，经多次栽培试验得到的脐橙新品种，具备优良的生物学特性，在中早熟脐橙品种中具有较大的市场价值和潜力。为深入地了解脐橙果实发育期生物活性物质和抗氧化活性的变化情况，本研究以‘龙回红’脐橙与‘纽荷尔’脐橙为试验材料，对两者果实发育后期的相关物质及抗氧化活性进行了测定，同时利用主成分分析 (principal component analysis, PCA) 对综合抗氧化能力进行了评估。结果表明：在果实发育后期，叶绿素、总酚和类黄酮物质不断被消耗减少，类胡萝卜素不断积累增加，抗坏血酸含量先增加后减少，‘龙回红’脐橙的叶绿素和类胡萝卜素含量均极显著高于‘纽荷尔’脐橙 ( p< 0.01) ，而‘纽荷尔’脐橙的抗坏血酸、总酚和类黄酮含量略高于‘龙回红’脐橙；抗氧化能力指标中， 1,1 - 二苯基 - 2 - 三硝基苯肼 (1,1 - diphenyl - 2 - picrylhydrazyl, DPPH) 自由基、超氧自由基 (O 2 - · ) 清除率、均是‘龙回红’脐橙高于‘纽荷尔’脐橙，而羟自由基 ( · OH) 清除率和铁离子还原力则是在商业成熟期前‘龙回红’脐橙的更高，两品种的膜脂过氧化程度无显性著差异， PCA 综合得分中‘ , 龙回红’脐橙始终高于‘纽荷尔’脐橙。总而言之，‘龙回红’脐橙的色素含量和抗氧化性能均要优于‘纽荷尔’脐橙。" @default.
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- W3132520912 date "2020-02-16" @default.
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- W3132520912 title "‘龙回红’和‘纽荷尔’脐橙果实发育后期生物活性物质含量及抗氧化活性的动态变化" @default.
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