Give an account of active principle and medicinal values of any two plants you have studied

Answer

Medicinal Plants :

Explanation

Medicinally useful molecules obtained from plants that are marketed as drugs are called biomedicines.
Medicinal plants which are marketed as powders or in other modified forms are known as Botanical medicines .
Keezhanelli
Botanical name: Phyllanthus amarus
Origin and Area of Cultivation : The plant is a native of Tropical American region and is naturalised in India and other tropical countries .
Active principle: Phyllanthin is the major chemical component . Medicinal importance :Phyllanthus is a well - known hepato - protective plant generally used in Tamil Nadhu for the treatment of jaundice . It has been scientifically proved that the extract of P . amarus is effective against hepatitis B virus
Adathodai Botanical name : Justicia adhatoda.
Origin and Ares of cultivation: It is native to India and Srilanka . Active principle: Vascin
Uses :
Adhatoda possess broncho dilating property. The decoctionis used in treating many bronchial disorders such as cough , cold and asthma . It is also used in treating fevers. The extractforms an ingredient of cough syrups.