Algae is an extremely diverse group of organisms that make up the lower phylogenetic echelons of the plant kingdom. A precise definition of this group is elusive and they share many obvious characteristics with higher land plants, whereas their distinguishing features from other plant groups are varied and more subtle …

Essential Oil Essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants. They are usually lipophilic (literally: oil-loving) compounds that usually are not miscible with water. Also, they can be diluted in solvents like pure ethanol and polyethylene glycol. They are also known as volatile oils, ethereal …

An enormous range of plant substances are covered by the term ‘Terpenoids’ which is used to indicate that all such substances have a common origin. This Terpenoids are a diverse group of naturally occurring organic compounds mostly found in plants. They are any of a class of hydrocarbons that consist …