Cibodas Botanic Gardens (CBG) has a collection of Sapindaceae, a family known as a saponin-rich plant. Saponin is a versatile phytochemical that is commonly utilized as a surfactant, pharmaceutical, food and cosmetic additive, fodder, and pesticide. To the best of our knowledge, information regarding the saponin content and utilization of several Indonesian Sapindaceae at CBG is still limited. On the other hand, CBG as an ex-situ conservation institution has the great opportunity to be a frontline in researching its valuable collections. This research aims to detect the saponin content from ten species of Sapindaceae at CBG and provide recommendations for their sustainable utilization. The methods include a collection of samples from various parts of the plants, simplicia preparation, and foam test. Our results found that the leaves, pericarp, and mix of leaves-rachis-petiole of Sapindus rarak, leaves of