文档介绍：第卷第期湖北农业科学 V0151.
20129 Hubei Sep2012
杜仲胶在杜仲叶发育过程中的含量变化研究
1芳跆
.新乡学院生命科学与技术系,河南新乡;幽鲜Ψ洞笱蒲аг海幽闲孪
摘要:
杜仲叶结构发育与杜仲胶积累的关系。
130d
栏组织、海绵组织等叶肉细胞的分化发育。叶片内含胶细胞也在不断地形成积累;叶片各结构生长停止
,叶片含胶率总体上呈增加的趋势。由于杜仲叶片内杜仲胶分泌、积累与
叶片生命周期在曛型剑乖诮ń坡涞路菀镀郝式细撸纱.%。
关键词:杜仲;叶片发育;杜仲胶;含量
中图分类号:.;.;. A04398114(2012)18-406504
Study the Content
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Key mia ; ;猵籧
(mia Oliver):现代科学研究证实了杜
连皮、丝***、丝绵树、木绵树,是多年生落叶乔木, 仲叶及杜仲皮具有补肝肾、强筋骨、安胎、降压等功
自成科,。
(mio Oliver)1|1520m 、根、树皮、种子和果皮
质史上第三纪冰川运动残留下来的古生物树种 3 等部位中含有的胶状成分是一种白色的胶丝物质,
,
银白色的细丝出现】.这是识别杜仲的最重要特征。其化学成分是反一一聚异戊二烯;物理性质方面,
,纯胶无色,商品
[胶则带有各种颜色。纯胶在℃时结晶,~℃