LIU Yan, HE Bing, XIONG Wei, et al. Determination of Equilibrium Solubilities of Total Saponins Extract from in Different Mediums[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(20): 51-53.
LIU Yan, HE Bing, XIONG Wei, et al. Determination of Equilibrium Solubilities of Total Saponins Extract from in Different Mediums[J]. Chinese journal of experimental traditional medical formulae, 2014, 20(20): 51-53. DOI: 10.13422/j.cnki.syfjx.2014200051.
Objective: To establish a method for determination equilibrium solubilities of total saponins extract from Aralia chinensis in different mediums. Method: Taking araloside A as index
an HPLC method was performed and adopted to detect the concentration of araloside A in water
0.1 mol·L-1 HCl and different phosphate buffer with pH of 2
4
6
7
8
10 at 37 ℃
mobile phase of acetonitrile(A)-0.1% phosphoric acid solution(B) for gradient elution (0-18 min
35%-43%A;18-19 min
43%A;19-25 min
43%-35%A)
detection wavelength was set at 205 nm. Result: Equilibrium solubilities of araloside A in different mediums were 1.780
0.241
0.420
0.472
1.196
1.746
0.180
0.242 g·L-1. Conclusion: Total saponins extract from A. chinensis dissolves in water
its equilibrium solubility is influenced greatly by pH values.