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中国精品科技期刊2020
王彦花, 王容, 张云, 吴立潮, 刘芳. 基于主成分分析的油茶果经济性状及茶油脂肪酸组成[J]. 食品工业科技, 2019, 40(1): 251-255. DOI: 10.13386/j.issn1002-0306.2019.01.045
引用本文: 王彦花, 王容, 张云, 吴立潮, 刘芳. 基于主成分分析的油茶果经济性状及茶油脂肪酸组成[J]. 食品工业科技, 2019, 40(1): 251-255. DOI: 10.13386/j.issn1002-0306.2019.01.045
WANG Yan-hua, WANG Rong, ZHANG Yun, WU Li-chao, LIU Fang. Economic Indexes of Camellia oleifera Fruit and Fatty Acid Composition of Camellia Oil based on Principal Component Analysis[J]. Science and Technology of Food Industry, 2019, 40(1): 251-255. DOI: 10.13386/j.issn1002-0306.2019.01.045
Citation: WANG Yan-hua, WANG Rong, ZHANG Yun, WU Li-chao, LIU Fang. Economic Indexes of Camellia oleifera Fruit and Fatty Acid Composition of Camellia Oil based on Principal Component Analysis[J]. Science and Technology of Food Industry, 2019, 40(1): 251-255. DOI: 10.13386/j.issn1002-0306.2019.01.045

基于主成分分析的油茶果经济性状及茶油脂肪酸组成

Economic Indexes of Camellia oleifera Fruit and Fatty Acid Composition of Camellia Oil based on Principal Component Analysis

  • 摘要: 为了给油茶种植的立地选择提供理论依据,对9个立地的油茶果经济性状及茶油脂肪酸组成等13项指标进行了测定与分析,并结合主成分的二维排序图及各立地的综合得分进行了分析及排序。结果表明:9个立地的综合得分从高到底依次为西坡下坡>西坡中坡>南坡下坡>西坡上坡>南坡上坡>南坡中坡>东坡上坡>东坡下坡>东坡中坡;油茶果经济性状及茶油脂肪酸组成整体表现为西坡优于南坡,南坡优于东坡,下坡优于中坡及上坡。说明立地因素是影响油茶果经济性状及茶油脂肪酸组成的重要因素,坡向及坡位因子对油茶品质均有一定影响,从油茶果经济性状及茶油脂肪酸组成方面考虑,油茶种植时可优先选择坡向中的西坡、南坡及坡位中的下坡。

     

    Abstract: In order to provide a theoretical basis for the selection of site for the cultivation of Camellia oleifera,13 indicators including the economic indexes of Camellia oleifera fruits and fatty acid composition of Camellia oil in 9 sites were determined and analyzed.In addition,9 sites were analyzed and ranked based on the scatter plot of PCAs and the comprehensive scores of each site.The results indicated that the overall score of the 9 sites were ranked as:west downhill > west slope > south downhill > west uphill > south uphill > south slope > east uphill > east downhill > east slope. Overall,the economic indexes of Camellia oleifera fruit and the fatty acid composition of Camellia oil showed that the west slope were better than the south slope over the east slope,and the downhill slope were better than the middle slope and the uphill slope.It could be concluded that site factors were important factors affecting the economic indexes of Camellia oleifera fruit and the fatty acid composition of Camellia oil. Slope factors had a certain influence on the quality of Camellia oleifera.From the aspects of the economical indexes of Camellia oleifera fruit and the fatty acid composition of Camellia oil,the selection of Camellia oleifera might give preference to the western slope,the southern slope and the downhill slope.

     

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