Rubusoside is a natural sweetener and a solubilizing agent with antiangiogenic and antiallergic properties. Rubusoside is an excellent solubilizing agent. It can enhance the solubility of a number of pharmaceutically important compounds, such as liquiritin, teniposide, curcumin, and etoposide.
References:
[1]. Wang Z et al. Selective production of rubusoside from stevioside by using the sophorose activity of β-glucosidase from Streptomyces sp. GXT6. Appl Microbiol Biotechnol. 2015 Nov;99(22):9663-74.
[2]. Ko JA et al. Mass production of rubusoside using a novel stevioside-specific β-glucosidase from Aspergillus aculeatus. J Agric Food Chem. 2012 Jun 20;60(24):6210-6.