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Difference of shapes and properties and microscopic frameworks between wild and cultivated Radix Saposhnikovia
Author(s): FENG Xuefeng, FU Guifang, GE Xiaoguang, YANG Jingyu, XUE Hui
Pages: 2862-
2866
Year: 2009
Issue:
22
Journal: China Journal of Chinese Materia Medica
Keyword: 防风; 栽培品; 野生品; 药材性状; 显微特征; 差异;
Abstract: 目的:中药防风栽培品与野生品药材性状显微组织差异比较。方法:药材性状比对,根横切面、粉末显微特征测量和比对。结果:药材性状方面:防风野生品根呈长圆锥形或长圆柱形,少分枝;根头部有明显密集的环纹;断面有多数棕色油点;气味特异。防风栽培品根常有分枝;根头部横环纹较少,断面棕色油点较少;气微。显微组织方面:防风野生品根横切面韧皮部有多数类圆形油管,1022环列;木质部导管呈放射状排列,但年轮状不明显。防风栽培品根横切面韧皮部油管1011轮;木质部导管可见大小相间呈年轮状。结论:防风栽培品与野生品在药材性状和显微组织上存在一定差异,外观性状的差异和根横切面韧皮部油管环数的多少,可以作为两者的鉴别特征;14年的栽培防风可以根据木质部导管的年轮判别生长年限。
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