Table 1 Paeoniflorin and paeonol contents determined by different drying methods.

From: New insights into Paeoniaceae used as medicinal plants in China

Sample

Compound

Freeze drying

Air drying

Rate of change (%)

P. ostii root phloem

Paeoniflorin (mg/g)

18.72 ± 1.24

3.51 ± 0.54

−81.27

Paeonol (mg/g)

5.92 ± 0.34

14.57 ± 1.09

146.05

P. ostii root xylem

Paeoniflorin (mg/g)

21.27 ± 1.12

11.4 ± 0.81

−46.41

Paeonol (mg/g)

1.86 ± 0.16

6.48 ± 0.27

247.9

P. lactiflora root

Paeoniflorin (mg/g)

44.6 ± 3.31

7.74 ± 0.32

−82.65

Paeonol (mg/g)

0.00

0.00

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