Sulphonic acid is Strong cation exchangers carboxylic acid is Weak cation exchangers

Herbs is more expensive and perhaps more harsh

herbs do take longer to work and they aren’t as strong

Herbs can be an effective alternative, with fewer side effects

Used for depression, bulimia, OCD, Panic disorder

ST. JOHN’S WORT Used for depression, anxiety

SCULLCAP
Used for panic disorders, anxiety, nervousness

XANAX
Used for panic disorders, anxiety, nervousness

Now herbal products can only be marketed as food supplements

Dioscorea: Yams

Papaver somniferum:
Opioids derived compounds

Plants for cancer treatment

Slow cell division
• 50 -70% success rate
• 50% survival rate

find medicinal plants by

Biological activity guided fractionation
Is the process developed to identify the lead druggable candidate from any given phytochemical matrix.

Biological activity guided fractionation has

applied when the biological activity of the plant is known by its traditional use

The objective of this approach is to isolate compounds responsible for the activity based on the fraction's biologic activity

Sequential approach is a biological activity of the subject plant is not known and random selection