Page 406 - Applied Pharmacognosy

Types of Chemical markers

barks, seeds, fruits, herbs and subterranean
organs.

• b- Microscopical numerical values.

• * linear measurements.

• * ratio values.
• Detection of common adulterants in powdered

crude drugs. • a- Microscopically

• b-Chemically.
• c-Chromatographically.
• II- Analytical specifications ….judging the quality