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首页> 外文期刊>Journal of Agricultural Science >Morphological and Chemical Analysis of 16 Avocado Accessions (Persea americana) From China by Principal Component Analysis and Cluster Analysis
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Morphological and Chemical Analysis of 16 Avocado Accessions (Persea americana) From China by Principal Component Analysis and Cluster Analysis

机译：应用主成分分析和聚类分析对中国16种鳄梨（Persea americana）的形态和化学分析

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The physicochemical composition of avocado fruit has been well reported, but there is little detail on Chinese native avocado varieties. The present study investigated the morphological characteristics, oil contents, and fatty acid compositions of 16 avocado accessions grown in the tropical and subtropical regions of China. Eight fatty acids were identified and quantified by GC-MS. The major fatty acids of avocado pulp were palmitic, oleic, and linoleic acids, accounting for 78-91% of the total fatty acids content. The analysis of one-way variance (ANOVA) of the data revealed morphological and chemical differences between most of avocado accessions. Moreover, 16 avocado accessions were distinguished through a PCA scores scatter plot and cluster analysis based on fatty acid profiles. The results identified some remarkable characteristics of avocado accessions from different places of collection.
机译：鳄梨果实的理化成分已得到充分报道，但关于中国本土鳄梨品种的信息很少。本研究调查了在中国热带和亚热带地区种植的16种鳄梨品种的形态特征，含油量和脂肪酸组成。通过GC-MS鉴定并定量了八种脂肪酸。鳄梨果肉的主要脂肪酸为棕榈酸，油酸和亚油酸，占总脂肪酸含量的78-91％。数据的单向方差分析（ANOVA）显示了大多数鳄梨种之间的形态和化学差异。此外，通过PCA分数散点图和基于脂肪酸谱的聚类分析区分了16种鳄梨。结果鉴定了来自不同地方的鳄梨品种的一些显着特征。

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