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. 2017 Oct 16;43(1):105–115. doi: 10.1016/j.jgr.2017.09.003

Table 2.

Langmuir and Freundlich adsorption parameters of the four target saponins on D-101 resin at 2°C

Compounds Langmuir equation R2 Freundlich equation 1/n R2
GY-XVII Qe = 29.x6Ce/(Ce + 0.0888) 0.9997 Qe = 25.3Ce0.1122 0.1122 0.9821
NG-Fe Qe = 114.9Ce/(Ce + 0.4942) 0.9989 Qe = 83.1Ce0.1076 0.1076 0.9935
G-Rd2 Qe = 57.5Ce/(Ce + 0.2414) 0.9986 Qe = 42.3Ce0.1609 0.1609 0.9584
NG-Fd Qe = 128.2Ce/(Ce + 0.4487) 0.9991 Qe = 94.0Ce0.1026 0.1026 0.9969

G, ginsenoside; GY, gypenoside; NG, notoginsenoside.