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Table 2 Identification of the absorbed constituents in rat plasma after oral administration of ANP by GC–MS

From: Comprehensive chemical profiling of volatile constituents of Angong Niuhuang Pill in vitro and in vivo based on gas chromatography coupled with mass spectrometry

No

tR (min)

Compound

Formula

CAS

Structure type

Source

M1

18.54

Camphora

C10H16O

76-22-2

Monoterpenes

B

P1

19.27

Isoborneola

C10H18O

124-76-5

Monoterpenes

B

P2

19.63

d-Borneola

C10H18O

464-43-7

Monoterpenes

B

P3

45.32

Musconea

C16H30O

541-91-3

Ketones

M

  1. Sources: B Borneolum, M Moschus
  2. aThe identification was confirmed with reference standards