Research Article

Evaluation of Marker Compounds and Biological Activity of In Vitro Regenerated and Commercial Rehmannia glutinosa (Gaertn.) DC. Roots Subjected to Steam Processing

Figure 9

Summary of biotechnology-based optimization study to produce high-quality root material of R. glutinosa conducted in Korea Institute of Oriental Medicine (KIOM). (a) Standardization study of R. glutinosa seedlings using in vitro culture method. (b) Productivity validation study of R. glutinosa in large field, (c) summary of previous study results, (d) processing study as presented in this paper.