Studies on Chemical Constituents from Rhizoma Heterosmilacis Japonicae
Six compounds were isolated from Rhizoma Heterosmilacis Japonicae. They were identified as β-sitosterol ( Ⅰ ) 、dau-costerol ( Ⅱ ) 、3 ,3',5 ,5'-tetrahydroxy-4'-methoxystilbene ( Ⅲ ) 、naringenin (Ⅳ)、 α-L-butylsorbopyranoside ( Ⅴ ) and macrozamin ( Ⅵ). The compounds Ⅲ、 Ⅳ、 Ⅴ and Ⅵ were isolated from this genus for the first time.