Three new compounds including one flavonol glycoside, irisdichotin A (1), and two flavanonol glycosides, irisdichotins B (2) and C (3), were isolated from the rhizomes of Iris dichotoma Pall. Their structures were elucidated on the basis of spectroscopic methods.
BACKGROUND
The rhizome of Iris dichotoma Pall., a traditional Chinese herbal medicine that contains (iso) flavonoids as the main bioactive compound, has been used to treat several disorders such as inflammation, throat disorders, asthma and coughs. However, there is a lack of suitable methods for