Give the pharmacological property of the following terpenes/terpenoids. Where do they naturally occur? saponins terpenoids cardiac glycosides How can terpenes/terpenoids be extracted from plants? What...

Give the pharmacological property of the following terpenes/terpenoids. Where do they naturally occur?

1. saponins


2. terpenoids


3. cardiac glycosides

How can terpenes/terpenoids be extracted from plants? What are the chemical tests used in identifying the presence of cardiac glycosides?