Relationship between the Changes of Pericarp Microstructure and Fruit Decay of Longan Fruit during Storage

机译：龙眼果实贮藏过程中果皮微观结构变化与果实腐烂的关系

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In order to discuss the relationship between the changes of pericarp microstructure and fruit decay of longan,Scanning Electron Microscope (SEM) was used to observe the effect of different storage condition on the microstructure of pericarp,and simultaneously,the aril quality was analyzed.It was found that the contents of total sugars,reducing sugars,vitamin C,titratable acid (TA) and total soluble solids (TSS) in longan aril decreased in different degrees with the storage time prolonging. The decrease of aril nutritional ingredient stored at 4±1℃ was slower than that stored at 24±1℃.Compared to room temperature storage,the appearance of aril acidification and decay stored at 4±1℃ could be put off at least 8 days.Aril acidification and decay were highly related to microstructure. The arrangement of fruit stalk pedicel became looser and looser with the storage time prolonging.Many myceliums of pathogens were observed on the polar of pericarp stored at 24±1℃ for 4 days whereas the equator for 12 days.Many secondary substances were observed on the equator inside of mesocarp.At 4±1℃,many crystals were observed when stored for 4 days and many changes of structure were put off at least one week.Additionally,the change of pericarp microstructure stored at 4±1℃ was slower than that stored at 24±1℃.

机译：为了探讨龙眼果皮显微结构变化与果实腐烂之间的关系，采用扫描电子显微镜（SEM）观察不同贮藏条件对果皮显微结构的影响，同时分析了假种皮质量。结果表明，随着贮藏时间的延长，龙眼假种皮中总糖，还原糖，维生素C，可乐定酸（TA）和总可溶性固形物（TSS）的含量均有不同程度的降低。 4±1℃贮藏的假种皮营养成分的减少比24±1℃贮藏的减少。与室温贮藏相比，4±1℃贮藏的假种皮酸化和腐烂的出现至少可以推迟8天。假种皮酸化和腐烂与微观结构高度相关。随着贮藏时间的延长，果梗的花序越来越疏松。在24±1℃下贮藏4天的果皮极上观察到许多病原菌丝，而在赤道贮藏12天则观察到许多病原菌。中果皮内的赤道。在4±1℃下，贮藏4天观察到许多晶体，至少在一周后推迟了许多结构变化。另外，在4±1℃下贮藏的果皮微观结构的变化要慢于果皮。储存在24±1℃。

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来源
《The Third International Conference Symposium on Longan,Lychee and Other Fruit Trees in Sapindaceae Family(第三届国际龙眼，荔枝及其他无患子科果树学术研讨会）》|2008年|p.539-544|共6页
会议地点 Fuzhou(CN)
作者
S.Z.Guo; H.J.Gao; Q.K.Ma; D.L.Qiu;
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作者单位

College of Life Science,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China Centre of Testing,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China;

College of Life Science,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China;

Department of Horticulture,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China;

Department of Horticulture,Fujian Agriculture and Forestry University,Fuzhou 350002,Fujian,China;

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原文格式 PDF
正文语种 eng
中图分类
关键词
longan fruit; storage condition; pericarp microstructure; fruit decay;

机译：龙眼果实;贮藏条件;果皮显微结构;果实腐烂;

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Relationship between the Changes of Pericarp Microstructure and Fruit Decay of Longan Fruit during Storage

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