Andrographolide, an antioxidant, counteracts paraquat- induced mutagenesis in mammalian cells. Tajai P, Suriyo T, Rangkadilok N, Fedeles B, Essigmann JM, Satayavivad J. Asian Pac J Cancer Prev. 2021 Feb 1;22(S1):3-8.

Release characteristic of curcumin (Zingiberaceae) from sodium alginate and polyvinyl alcohol-based hydrogel composite: antioxidant properties Thanyacharoen T, Chuysinuan P, Techasakul S, Sukhavattanakul P, Ummartyotin S Emergent Mater. 2023;6(2):535-42.

Sahakitpichan, P.; Mahidol, C.; Disadee, W.; Chimnoi, N.; Ruchirawat, S.; Kanchanapoom, T. Glucopyranosyloxybenzyl Derivatives of (R)-2-Benzylmalic Acid and (R)-Eucomic Acid, and an Aromatic Glucoside from the Pseudobulbs of Grammatophyllum speciosum. Tetrahedron 2013, 69, 1031–1037