Catalpol

Catapol Production in Chinese Foxglove (Rehmannia glutinosa Libos.) Hairy Roots Transformed with Agrobacterium rhizogenes ATCC15834

Hairy root clones of Rehmannia glutinosa were established via transformation with Agrobacterium rhizogenes ATCC15834. To optimize the culturing conditions for both root growth and catalpol production, the effects of various combinations

玄参科

；蒴果卵形。根状茎为传统中药，有清热生津、凉血止血、润燥、滋阴补肾、补血调经之效。含梓醇（catalpol）、地黄素（reh-mannia）、水苏糖（stachose）等多种糖及赖氨酸等多种氨基酸。 　　毛地黄 又称洋地黄，原产欧洲，中国有栽培。多年生直立草本，除花冠外全体被灰色柔毛和腺毛；基生叶莲座状，叶片长卵形；总状花序顶生，花朝向一边，花萼5深裂；花冠近2唇形，筒长，裂片短，紫红色，内面具斑点；雄蕊2强；蒴果卵形。叶供药用，有强心之效，现制成各种强心剂。含强心苷类。（参见彩图插页