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《Journal of Fruit Science》 2004-01
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Study on the Changes of Contents of Pigments,Total Phenolics,Sugars and Polyphenol Oxidase(PPO) Activity in the Fruit Skin of Plum Culti-vars During Fruit Development

Zhang Yuanhui 1,2 ,Guan Junfeng 2 ,Yang Jianmin 1 ,and Zhao Shutang 1,2 ( 1 College of Landscape Architecture and Tourism,Hebei Agricultural University ,Baoding,Hebei071000China;2 Institute of Genetics and Physiology,Hebei Academy of Agricultural and Fore stry Sciences,Shijiazhuang,Hebei050051China)  
plum cultivar s ,i.e.Ooisiwase,Longyuanqiuli,Fraiar,Angeleno,were used in this study.The result showed that chlorophyll,carotenoids,total phenolics and flavonoids con tents in the fruit skin decreased during fruit development ,whereas contents of sugars and anthocyanin and activity of polyphenol oxidase(PPO)increased.Exce pt relationship among sucrose,glucose contents and anthocyanin content in Ang eleno,there was marked correlation between anthocyanin and total sugar,sucrose ,fructose,glucose.There was marked relationship between sucrose and anthocyan in in cv.Ooisiwase(r=0.9688),cv.Longyuanqiuli(r=0.9481 ),cv.Fraiar(r=0.9447);between anthocyanin and fructose in cv.Ooi siwase(r=0.9438),cv.Longyuanqiuli(r=0.9763),cv.Fra iar(r=0.9358),cv.Angeleno(r=0.8925);between antho-cyan in and glucose in cv.Ooisiwase(r=0.8940),cv.Longyuanqiuli(r=0. 9022),cv.Fraiar(r=0.9424).The total phe-nolics had been sh owed to be negatively correlated with PPO activity in cv.Longyuanqiuli(r=-0 .9896)and Fraiar(r=-0.9664).
【CateGory Index】: S662.3
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