| 新疆鲜食葡萄品质评价指标体系的建立 |
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| 引用本文： | 杨中,张静,汤兆星. 新疆鲜食葡萄品质评价指标体系的建立[J]. 安徽农业科学, 2011, 39(12): 7004-7007 |
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| 作者姓名： | 杨中 张静 汤兆星 |
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| 作者单位： | 新疆维吾尔自治区分析测试研究院,新疆乌鲁木齐,830011 |
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| 基金项目： | 新疆维吾尔自治区科技攻关和重点计划项目"葡萄、石榴品质分析评价和数据库建立" |
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| 摘 要： | 分析测定了26个鲜食葡萄品种的单果重、果形尺寸、糖酸比、出汁率和蛋白质、维生素C、可溶性固形物（TSS）、可滴定酸（TA）含量及风味等加工品质指标,并对其进行主成分分析和聚类分析。结果表明,鲜食葡萄多个品质指标间存在相对独立性和密切相关性;经主成分分析,5个主成分的累计贡献率达89.02%,可反映鲜食葡萄品质的绝大部分信息;聚类分析结果表明,9个主要品质指标被聚为5类,最终将品质指标简化为出汁率和可滴定酸、维生素C、可溶性固形物含量及风味5个指标。
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| 关 键 词： | 鲜食葡萄 品质 评价指标 主成分分析 聚类分析 |
Establishment of Quality Evaluation Index System for Table Grape in Xinjiang |
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| YANG Zhong et al. Establishment of Quality Evaluation Index System for Table Grape in Xinjiang[J]. Journal of Anhui Agricultural Sciences, 2011, 39(12): 7004-7007 |
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| Authors: | YANG Zhong et al |
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| Affiliation: | YANG Zhong et al (Xinjiang Analysis and Testing Academy,Urumqi,Xinjiang 830011) |
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| Abstract: | The processing quality indexes of 26 table grape varieties were analyzed and determined,such as single fruit weight,fruit shape and size,sugar-to-acid ratio,juice yield and contents of protein,vitamin C(Vc),total soluble solid(TSS),titratable acid(TA) and flavor.And the principal component analysis and cluster analysis were performed on these indexes.The results showed that there were relative independentability and close relativity among many quality indexes of table grape.The results from principle comone... |
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| Keywords: | Table grape Quality Evaluation index Principal component analysis Cluster analysis |
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