[管花肉苁蓉药材中松果菊苷次生代谢器官的研究]
[Study on secondary metabolic organ of echinacoside in herbs of Cistanche tubulosa].
作者信息
Yang Tai-Xin, Zhang Xi-Huan, Cai Jing-Zhu
机构信息
Agronomy College, Hebei University of Engineering, Handan 056021, China.
出版信息
Zhongguo Zhong Yao Za Zhi. 2007 Dec;32(24):2591-4.
OBJECTIVE
It could give some theory support of confirming the secondary metabolism organ and regulation of echinacoside in Cistanche tubulosa by searching parasitic growth of C. tubulosa ahd echinacoside variation in different organs of host and parasite.
METHOD
The echinacoside content was analyzed by HPLC. The relationship between dry matter accumulation and echinacoside accumulation of C. tubulosa as the well as root diameter of host were comparatively analyzed.
RESULT
With the increase of dry matter accumulation of C. tubulosa, echinacoside accumulation increased significantly, and both of them were in significantly positive correlated with the root diameter of host. Echinacoside content in haustorium phloem was 15.53%, higher than that of haustorium xylem, C. tubulosa plant and other organs.
CONCLUSION
Haustorium phloem was probably the secondary metabolism organ of echinacoside in C. tubulosa.
目的
通过研究管花肉苁蓉的寄生生长以及寄主和寄生物不同器官中松果菊苷的变化，为确定管花肉苁蓉次生代谢器官及松果菊苷的调控提供理论支持。
方法
采用高效液相色谱法分析松果菊苷含量。比较分析管花肉苁蓉干物质积累与松果菊苷积累以及寄主根直径之间的关系。
结果
随着管花肉苁蓉干物质积累的增加，松果菊苷积累显著增加，且二者均与寄主根直径呈显著正相关。吸器韧皮部中松果菊苷含量为15.53%，高于吸器木质部、管花肉苁蓉植株及其他器官。
结论
吸器韧皮部可能是管花肉苁蓉中松果菊苷的次生代谢器官。
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