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Table 6 Pharmacokinetic parameters of VOC-P188 solid dispersion and VOC-β-CD inclusion by oral administration. Values represent the means ± standard error (n = 6)

From: Pharmacokinetics of five phthalides in volatile oil of Ligusticum sinense Oliv.cv. Chaxiong, and comparison study on physicochemistry and pharmacokinetics after being formulated into solid dispersion and inclusion compound

components

Group

Cmax

(μg/l)

Tmax

(h)

t1/2α

(h)

t1/2β

(h)

MRT0-t

(h)

AUC0-t

(μg/l*h)

F2(%)

SA

VOC

630.64 ± 309.58

0.19 ± 0.10

1.31 ± 1.58

3.79 ± 1.40

4.19 ± 0.49

1260.98 ± 273.94

/

VOC-P188

700.75 ± 348.70

0.20 ± 0.16

1.50 ± 1.59

7.24 ± 2.57

6.45 ± 0.96**

2363.17 ± 350.93**

185.82

VOC-β-CD

398.92 ± 68.35#

0.50 ± 0.26*#

2.34 ± 1.24

2.98 ± 0.57

6.22 ± 1.51*

1825.75 ± 532.32#

138.69

NBP

VOC

25.94 ± 8.30

0.47 ± 0.07

0.26 ± 0.10

0.65 ± 0.74

2.70 ± 0.47

36.11 ± 7.58

/

VOC-P188

23.48 ± 1.59

0.32 ± 0.20

2.82 ± 1.55**

3.13 ± 1.01*

4.07 ± 0.46**

72.70 ± 9.80**

197.67

VOC-β-CD

22.42 ± 5.56

0.83 ± 0.26**##

3.95 ± 1.96**

4.39 ± 1.82**

5.28 ± 1.04**##

76.06 ± 24.65**

198.39

NOL

VOC

222.78 ± 71.31

0.18 ± 0.12

0.46 ± 0.67

3.10 ± 2.18

3.42 ± 0.57

442.24 ± 45.19

/

VOC-P188

243.68 ± 130.94

0.42 ± 0.45

4.21 ± 4.29*

8.84 ± 1.84**

7.61 ± 0.57**

1138.94 ± 63.85**

258.18

VOC-β-CD

134.07 ± 24.28#

0.67 ± 0.26*

3.21 ± 2.44

9.77 ± 2.71**

8.17 ± 0.55**

944.58 ± 84.96**##

218.01

ZL

VOC

213.68 ± 76.01

0.22 ± 0.09

0.82 ± 0.51

5.48 ± 2.61

3.94 ± 0.54

503.96 ± 53.33

/

VOC-P188

319.61 ± 285.56

0.49 ± 0.42

4.40 ± 4.10*

8.91 ± 5.25

5.95 ± 0.49**

801.47 ± 199.45**

163.35

VOC-β-CD

145.01 ± 24.76

0.40 ± 0.17

4.72 ± 1.92*

5.96 ± 2.90

7.31 ± 0.33**##

883.20 ± 210.53**

224.54

BP

VOC

43.70 ± 10.89

0.50 ± 0.28

1.38 ± 1.02

3.74 ± 3.26

3.46 ± 1.08

99.09 ± 23.33

/

VOC-P188

40.26 ± 8.37

0.42 ± 0.33

2.72 ± 3.66

8.64 ± 2.44*

7.42 ± 0.60**

249.21 ± 24.50**

251.50

VOC-β-CD

38.80 ± 15.96

0.35 ± 0.19

7.02 ± 5.42*

19.57 ± 5.63**##

8.45 ± 0.77**

298.49 ± 31.68**##

363.55

  1. * p < 0.05, vs VOC; **p < 0.01, vs VOC; #p < 0.05, vs VOC-P188; ##p < 0.01, vs VOC-P188