if anion exchange chromatography is performed, negatively charged sample components will interact more with the stationary phase

exchangers have positively charged with negatively charged mobile counter

Anion is

Cation is bacic

Tertiary amines is strong anion exchangers

Secondary amines is weak anion exchangers

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

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