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采用经典恒温加速实验法预测芍药苷有效期。以芍药苷为稳定性指标,根据Ar-rhenius指数规律,求出室温(25℃)时的反应速度常数K25=6.7114×10-6 h,有效期t0.9=1.79 a。
Prediction of the validity of paeoniflorin by classical thermostatic accelerated test. Paeoniflorin was used as the stability index and the reaction rate constant K25 = 6.7114 × 10-6 h at room temperature (25 ℃) was obtained according to Ar-rhenius index law. The expiry date was t0.9 = 1.79 a.