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Home > Archive>Volume 36, Issue 6, 2017 >642-648. DOI:10.3969/j.issn.1673-1689.2017.06.012
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Cluster Analysis on Antioxidant Composition of Pyracantha fortuneana（Maxim.）Li in Different Growing Regions of Guizhou
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    Abstract:

    To know the differences in antioxidant composition of Pyracantha fortuneana（Maxim.）Li from different growing regions of Guizhou Province，China，we investigated the nutritional composition and antioxidant activity of Pyracantha fortuneana（Maxim.）Li and evaluated the differences，correlation coefficient，principal component and clustering analysis by using the software IBM SPSS Statistics 20. The results indicated that the differences among the nutritional composition and antioxidant activity from different growing regions are significant. The highest contents of total ascorbic acid and protein content were detected in Pyracantha fortuneana（Maxim.）Li from Yulianghe AAE（7.35±0.08 mg/hg and BAE（10.48±0.30） mg/hg，respectively）. The total polyphenol and total flavonoids of Pyracantha fortuneana（Maxim.）Li from Huaxi were highest GAE（218.14±0.70） mg/hg and RE（159.80±0.45） mg/hg，respectively）. The total acidity of Pyracantha fortuneana（Maxim.）Li from Yanshang were highest，citric acid（7.18±0.00） g/kg. The reducing sugar of Pyracantha fortuneana（Maxim.）Li from Zhonghuoxiang were highest（4.91±0.01）%. The total reducing power of Pyracantha fortuneana（Maxim.）Li from Huaxi was the strongest，while Pyracantha fortuneana（Maxim.）Li from Yanshang possessed the highest superoxide radical scavenging activity and Pyracantha fortuneana（Maxim.）Li from Zhongxincun possessed the highest hydrogen peroxide scavenging activity. The contents of total polyphenol，total flavonoids，protein and total acidity highly correlated with total reducing power and superoxide radical scavenging activity. The Pyracantha fortuneana（Maxim.）Li of different growing regions were classified into three groups by principal component and cluster analysis. The regularity and difference of Pyracantha fortuneana（Maxim.）Li from different growing regions in Guizhou was revealed by principal component and cluster analysis.

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XIE Guofang, ZHOU Xiaoshan, WEI Kaihong, LUO Qiaolan, LIU Zhigang. Cluster Analysis on Antioxidant Composition of Pyracantha fortuneana（Maxim.）Li in Different Growing Regions of Guizhou[J]. Journal of Food Science and Biotechnology,2017,36(6):642-648.

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  • Online: October 16,2017
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