Research Article

Stability of Alkaloids during Drying Process and Their Effect on Anticoagulating Activity of Uncariae Ramulus Cum Uncis

Table 1

The relationships between peak areas and drying time and its correlation coefficient (R2) of three alkaloids during drying process.

AlkaloidsFitting equation (rising phase)R2Fitting equation (descending phase)R2

Rhynchophylline0.9370.810
Isorhynchophylline0.9680.894
Corynoxeine0.9630.908
The sum of peak areas0.9540.907