Character: It is shallow yellow to yellow green liquid, with pungent perfume and the smell of camphor and ketone.
Specific Gravity: 0.953-0.990
Optical Rotation:+2¡ã~+29¡ã
Content: upon 50% flavone
The package: Aluminum bottle packing, 2.5kg/bottle, 5kg/bottle, 10kg/bottle.