Increase water solubility of Centella asiatica extract by indigenous bioenhancers could improve oral bioavailability and disposition kinetics of triterpenoid glycosides in beagle dogs. Boonyarattanasoonthorn T, Kijtawornrat A, Songvut P, Nuengchamnong N, Buranasudja V, Khemawoot P. Sci Rep. 2022 Feb 21;12(1):2909.

Worawittayanon, P., Ruadreo, J., Disadee, W., Sahakitpichan, P., Sitthimonchai, S., Thasana, N., . . . Kanchanapoom, T. (2012). Iridoid and flavone glycosides from Asystasia gangetica subsp. micrantha and Asystasia salicifolia and their antioxidant activities. Biochemical Systematics and Ecology, 40, 38-42. https://doi.org/10.1016/j.bse.2011.08.016

Ploypradith, P.; Petchmanee, T.; Sahakitpichan, P.; Litvinas, N. D.; Ruchirawat, S. Total Synthesis of Natural and Unnatural Lamellarins with Saturated and Unsaturated D-Rings. J. Org. Chem. 2006, 71, 9440–9448.