Page 383 - Applied Pharmacognosy

STaympespolfinChgemical markers

 It is the selection of herbal sample for
examination.

 Lackofhomogeneityofherbalmaterials
mayprovidea samplingproblem .

 Thesampleshould representthewholebatch .

 Portions for analysis should be taken from
severaldifferentparts ofthebatchtoensure
homogeneityofthesample .