ABSTRACT
SAPONINS: hovenosides A, B, C, D, G and I. TRITERPENOIDS: hovenalactone, hovenic acid. (A) Yakai et al., Phytochemistry, 12, 2985 (1973) (Sap) Kawai et al., ibid., 13, 2829 (1974) (T) Kimura et al., J. Chem. Soc., Perkin I, 1923 (1981)
H. tomentilla. PEPTIDE ALKALOID: hovenine A.
