4个枇杷品种果实糖组分含量及其分布研究

陈秀萍; 邓朝军; 许奇志; 蒋际谋; 胡文舜; 姜帆; 郑少泉

doi:10.19303/j.issn.1008-0384.2015.02.007

4个枇杷品种果实糖组分含量及其分布研究

The Components and Contents of Sugars and Distribution in Four Cultivars of Loquat

摘要

摘要: 采用高效液相色谱法(HPLC)测定了‘软条白沙’、‘新白1号’、‘解放钟’和‘钟津2号’等4个枇杷品种果实不同部位的糖组分含量。结果表明:枇杷成熟果实中均含果糖、葡萄糖、蔗糖和山梨醇,‘新白1号’蔗糖和果糖含量高,‘软条白沙’果糖含量最高,其次是葡萄糖,‘解放钟’果糖和蔗糖含量高,‘钟津2号’蔗糖含量最高;总糖含量高低依次是‘新白1号’>‘钟津2号’>‘解放钟’>‘软条白沙’,品种间存在极显著差异;果皮中的糖含量低于果肉,‘新白1号’和‘软条白沙’果顶中的总糖含量最高,‘解放钟’和‘钟津2号’果基中的总糖含量最高。

Abstract: The components and contents of sugars of different parts of 4loquat cultivars(Xinbai 1,Ruantiao Baisha,Jiefangzhong and Zhongjin 2)were determined by high performance liquid chromatography(HPLC).The results showed that the major components of sugars were fructose,glucose,sucrose and sorbitol.The sugar with high proportion in Xinbai 1,Ruantiao Baisha,Jiefangzhong and Zhongjin 2 was as sucrose and fructose,fructose and glucose,fructose and sucrose,sucrose,respectively.The total sugar content of Xinbai 1were the highest,which of Zhongjin 2were the second,while that of Ruantiao Baisha were the least.The total sugar content in peel was far lower than that in pulp.In pulps,the total sugar content was the highest in the fruit apex of Xinbai 1and Ruantiao Baisha,while that in the fruit base of Jiefangzhong and Zhongjin 2.

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