Three new triterpenoidal monodesmosides (1-3) and three new triterpenoidal bisdesmosides (4-6), together with two known saponins (7 and 8), were isolated from the fresh fruits of Ternstroemia japonica. The structures of 1-6 (ternstroemiasides A-F) were elucidated on the basis of spectral analysis and chemical degradation.
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Shin et al. (2003) studied this question.