汪良驹;王中华;李志强;朱云娜;

• 1:南京农业大学园艺学院
• 2:南京农业大学园艺学院
• 3:南京农业大学园艺学院
• 4:南京农业大学园艺学院 南京210095

摘要(Abstract)：

为了探索更为经济适用的果实增色技术,以13年生富士苹果为材料,在果实着色初期(9月中旬)用200～800mg/L谷氨酸(Glu)溶液处理,然后分批取样,分析结果表明,不同浓度谷氨酸处理均能明显促进果皮花青素积累,增加果实着色面积,并明显增加果实可溶性糖含量。分析果实中内源5-氨基乙酰丙酸(ALA)含量,发现Glu能够促进内源ALA含量提高,推测Glu促进苹果着色可能与其促进ALA生物合成有关。分析果实着色过程中超氧化物歧化酶(SOD)、过氧化物酶(POD)和抗坏血酸过氧化物酶(APX)等抗氧化酶活性,没有观察到这些抗氧化酶活性与果实着色之间存在着明显的相关关系。

关键词(KeyWords)： 富士苹果;L-谷氨酸;花青素;5-氨基乙酰丙酸(ALA);抗氧化酶

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金资助项目(30471181)。

作者(Author): 汪良驹;王中华;李志强;朱云娜;

Email:

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