OBJECTIVE
To establish a method for determining the content of rubrofusarin gentiobioside in Cassia obtusifolia.
METHODS
The HPLC with Diamonsil C18 (4.6 mm x 250 mm, 5 microm) column was used, acetonitrile-THF-1% acetic acid (18: 3:79) was used as a mobile phase, with flow rate of 1 mL x min(-1),