Manh Dung Doan

Advanced search Natural Product Research Formerly Natural Product Letters Latest Articles Submit an article Journal homepage Full Article Figures & data References Supplemental Citations Metrics Reprints & Permissions Read this article /doi/full/10.1080/14786419.2024.2429124?needAccess=true Abstract Majonoside R2 (MR2), the principal saponin of Vietnamese ginseng (Panax vietnamensis Ha & Grushv.), has the unique structure of ocotillol-type dammarane and showed remarkable biological activities.

2.3. Enzyme Inhibition Assay AChE was used to carry out the inhibitory assay using Ellman’s method [23] with modifications. A 0.05 M phosphate buffer, pH 8.0, was used in this protocol. Additionally, 60 µL of the herbal extract was mixed with the same volume of 0.5 mM enzyme solution and 120 µL of phosphate buffer, and kept at 25 °C for 15 min in a flat-bottom 96-well plate.