不同品种苹果采后后熟软化过程中细胞壁多糖的降解

被引：13

作者：

金昌海 ^{[1
]}

水野雅史 ^{[2
]}

阚娟 ^{[1
]}

索标 ^{[1
]}

汪志君 ^{[1
]}

土田广信 ^{[2
]}

机构：

[1] 扬州大学食品科学与工程学院

[2] 神戸大学农学部园艺资源学大讲座

来源：

植物生理与分子生物学学报 | 2006年 / 06期

关键词：

苹果; 贮藏; 乙烯; 后熟软化; 细胞壁多糖;

D O I：

暂无

中图分类号：

S661.1 [苹果];

学科分类号：

摘要：

以2种苹果为试材,提取了不同贮藏时期果实的细胞壁物质和8种细胞壁多糖组分,并采用气相色谱法分析了细胞壁多糖组分的单糖组成。结果表明,在贮藏过程中,‘金星’苹果果肉的硬度下降明显,在贮藏第10天前后出现明显的乙烯释放量高峰,而耐贮藏性‘富士’苹果在贮藏期间只释放极少量的乙烯。‘金星’苹果的Na2CO3-1溶性果胶多糖组分的减少尤为显著。这些结果表明,苹果果实Na2CO3-1溶性果胶多糖组分侧链成分的酶降解,是引起苹果细胞壁多糖网络结构的变化,进而导致果实软化的重要原因之一。

引用

页码：617 / 626

页数：10

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