Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs43141-021-00122-5/MediaObjects/43141_2021_122_Fig3_HTML.png)
RP-HPLC elution profile of neoandrographolide (standard, panel a). RP-HPLC elution profile of neoandrographolide isolated from mother plant (panel b). RP-HPLC elution profile of neoandrographolide isolated from in vitro regenerated plants (panel c)