红苞半蒴苣苔的组织特征和化学特征研究  

Pharmacognostical and Chemical Studies of Hemiboea rubribracteata

作　　者：白贞芳[1] 王晓琴[2] 肖培根[1,3] 刘勇[1] 

机构地区：[1]北京中医药大学中药学院,北京100102 [2]内蒙古医科大学药学院,呼和浩特010110 [3]中国医学科学院中国协和医科大学药用植物研究所,北京100094

出　　处：《中国实验方剂学杂志》2014年第2期96-98,共3页Chinese Journal of Experimental Traditional Medical Formulae

基　　金：国家自然科学基金重点项目(30530860)

摘　　要：目的:为红苞半蒴苣苔的开发利用提供生药学和化学资料及深入研究提供数据。方法:石蜡制片法、水合氯醛透化法和HPLC-UV法。结果:在茎横切面上皮层内有大量类圆形石细胞,髓部极发达;叶横切面上的叶肉组织和环状排列的外韧型维管束内有大量个大、壁厚、层纹明显的石细胞。全株粉末中石细胞大量存在,形状多样;单粒或复粒淀粉粒较多;草酸钙方晶散在。红苞半蒴苣苔中含有多种苯乙醇苷类成分,包括新化合物parabosideⅢ,parabosideⅡ。结论:红苞半蒴苣苔的组织和化学特征可作为鉴定该植物的理论依据。Objective： To provide evidences for the pharmacognostical and chemical identification and the further development of Hemiboea rubribracteata. Method： Paraffin tissue sections, powders delt by chloral hydrate before watching them and HPLC-UV. Result： Lots of stone cells existed in the cortex and the pith have large area, There are also a lot of stone cells exit in the mesophyll and parenchyma of midrib which are composed of closed collateral vascular bundles.Stone cells, starchs and solitary crystals exist in the powder of H. rubribracteata. paraboside Ⅲ and paraboside Ⅱ exist in H. rubribracteata. Conclusion： The pharmacognostic identification and chemical identification of H. rubribracteata not only can be used to identify the medicial plant but also provide evidences for the further development of it.

关 键 词：红苞半蒴苣苔 组织特征 化学特征 

分 类 号：R282[医药卫生—中药学]