| 不同龙眼品种果实成熟时糖含量及其特征研究 |
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| 引用本文： | 帅良,钱盼红,刘文浩,韩冬梅,吴振先. 不同龙眼品种果实成熟时糖含量及其特征研究[J]. 热带作物学报, 2016, 37(5): 915-921. DOI: 10.3969/j.issn.1000-2561.2016.05.011 |
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| 作者姓名： | 帅良 钱盼红 刘文浩 韩冬梅 吴振先 |
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| 作者单位： | 1. 华南农业大学园艺学院广东省果蔬保鲜重点实验室 广东广州 510642;贺州学院食品科学与工程技术研究院,广西贺州 542800;2. 华南农业大学园艺学院广东省果蔬保鲜重点实验室 广东广州 510642;3. 广东省农业科学院果树研究所农业部南亚热带果树生物学与遗传资源利用重点实验室 广东广州 510640 |
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| 基金项目： | 国家现代农业产业技术体系（荔枝龙眼）（No. CARS-33-14）。 |
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| 摘 要： | 通过测定37个龙眼品种果实成熟时假种皮中可溶性糖含量,比较不同龙眼品种的糖组分特点与差异。使用高效液相色谱法对糖组分含量进行测定,采用相关性分析和聚类分析法对数据进行分析,将37个龙眼品种进行分类。结果显示,37个龙眼品种果实假种皮在成熟时期TSS含量在16.84%~27.34%之间,假种皮中可溶性糖主要为蔗糖、葡萄糖和果糖,其中蔗糖含量明显高于含量相当的葡萄糖和果糖。相关性分析表明,龙眼果实可溶性固形物(TSS)含量与甜度和总糖含量呈极显著正相关,甜度和总糖含量亦呈极显著正相关。根据不同品种龙眼果实假种皮中蔗糖/己糖的比例可将37个龙眼品种分为蔗糖积累型、中间类型和己糖积累型。
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| 关 键 词： | 龙眼 TSS 可溶性糖 相关性分析 聚类分析 |
Sugar Contents and Composition in the Mature Fruit of Different Longan Cultivars |
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| SHUAI Liang,QIAN Panhong,LIU Wenhao,HAN Dongmei and WU Zhenxian. Sugar Contents and Composition in the Mature Fruit of Different Longan Cultivars[J]. Chinese Journal of Tropical Crops, 2016, 37(5): 915-921. DOI: 10.3969/j.issn.1000-2561.2016.05.011 |
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| Authors: | SHUAI Liang QIAN Panhong LIU Wenhao HAN Dongmei WU Zhenxian |
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| Affiliation: | 1 College of Horticulture, South China Agricultural University/Guangdong Key Lab of Postharvest Science of Fruit and Vegetable 2 Institute of Food Science and Engineering Technology, Hezhou University;College of Horticulture, South China Agricultural University/Guangdong Key Lab of Postharvest Science of Fruit and Vegetabl;College of Horticulture, South China Agricultural University/Guangdong Key Lab of Postharvest Science of Fruit and Vegetabl;Institute of Fruit Tree Research, Guangdong Academy of Agriculture Sciences/Key Laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization, Ministry of Agriculture;College of Horticulture, South China Agricultural University/Guangdong Key Lab of Postharvest Science of Fruit and Vegetabl |
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| Abstract: | The sugar composition in the mature fruit of 37 longan cultivars were analyzed by using the method of high liquid chromatography. The data were subject to correlation analysis and clustering analysis, and the different longan cultivars were categorized. The TSS content was between 16.84%~27.34%, the soluble sugars were mainly composed of sucrose, glucose and fructose. Among them, the sucrose content was the highest among the three soluble sugars. Correlation analysis showed that the TSS content was very significantly positively correlated with sweetness and with total sugar content similar to the relationship between sweetness and total sugar content in longan fruit. Based on the sucrose/hexose ratio, the tested cultivars could be divided into three different types of sugar composition: sucrose-prevalent type, intermediate type, and hexose-prevalent type. |
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| Keywords: | Longan TSS Soluble sugar Correlation analysis Clustering analysis |
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