Page 90 - Applied Pharmacognosy
P. 90

Types of Chemical markers

              drugs by HPLC (B.P)

• A test for absence of aristolochic acids I and II in herbal

  drugs has been included in the British Pharmacopoeia.

• The limit of detection of the test has been shown to be

  0.00078 mg/ml (approximately 1 ppm of aristolochic acids
  I and II).
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