Alkaloids are a diverse group of naturally occurring secondary compounds derived from
amino acids or the process of transamination. Some synthetic compounds with similar …

Research in the area of herbal psychopharmacology has revealed a variety of promising
medicines that may provide benefit in the treatment of general anxiety and specific anxiety …

Depression is a major mental disorder, and is currently recognized as the second-leading
cause of disability worldwide. However, the therapeutic effect of antidepressants remains …

Globally, the search for safe and potent natural-based treatment for depression is receiving
renewed interest given the numerous side-effects associated with many existing drugs. In …

Indole represents one of the most important heterocyclic ring which provides privileged
scaffolds in drug discovery. Indole derivatives and its pharmacological significance provides …

Covering: January to December 2002. Previous review: Nat. Prod. Rep., 2003, 20, 171This
review covers simple indole alkaloids and those with a nonrearranged monoterpenoid unit …

Depression is the most prevalent and devastating neuropsychiatric disorder. There are
several conventional antidepressants used for the treatment of depression. But due to their …

Much of our knowledge in neuroscience was discovered through the study of mind-altering
natural products. However, although much has been learned about human physiology and …

Alzheimer's disease (AD) is one of the major neurodegenerative diseases affecting almost
28 million people around the globe. It consistently remains one of the major health concerns …

Background Anxiety is one of the psychiatric disorders that disturbs routine life including
moods and motivation. Excessive anxiety causes mental illnesses or anxiety disorders …