Iridoid glucosides in the genus Sutera (Scrophulariaceae) as chemotaxonomic markers in tribe Limoselleae Author Gousiadou, Chryssoula ∗ & Department of Chemistry, The Technical University of Denmark, Build. 207, DK- 2800 Lyngby, Denmark Author Kokubun, Tetsuo Author Albach, Dirk C. Author Gotfredsen, Charlotte H. Author Jensen, Søren Rosendal text Phytochemistry 2019 2019-02-28 158 149 155 http://dx.doi.org/10.1016/j.phytochem.2018.10.021 journal article 10.1016/j.phytochem.2018.10.021 1873-3700 10481450 3.6. Melanospermum transvaalense Dry whole plants ( 11 g ) were blended with hot EtOH (100 ml), left to stand for 11 days, and treated as above to give after concentration 1.90 g residue. Chromatography gave: sugars ( 140 mg ), aucubin ( 2 , 10 mg ), impure geniposidic acid ( 7 , 20 mg ), impure mussaenosidic acid ( 6 , 10 mg ), bartsioside ( 1 , 25 mg ), plantarenaloside ( 5 , 380 mg ) and verbascoside ( 15 , 40 mg ).