Viral infections affect three to five million patients annually. While commonly used antivirals
often show limited efficacy and serious adverse effects, herbal extracts have been in use for …

COVID-19, a disease induced by SARS-CoV-2 (Severe Acute Respiratory Syndrome
Coronavirus-2), has been the cause of a worldwide pandemic. Though extensive research …

Triterpenes are naturally occurring derivatives biosynthesized following the isoprene rule of
Ruzicka. The triterpenes have been reported to possess a wide range of therapeutic …

To date, the leading causes of mortality and morbidity worldwide include viral infections,
such as Ebola, influenza virus, acquired immunodeficiency syndrome (AIDS), severe acute …

There are a large number of new structure compounds with good pharmacological activity in
the natural plants, can be applied to the treatment of human diseases. Finding active …

The viral diseases encouraged scientific community to evaluate the natural antiviral
bioactive components rather than protease inhibitors, harmful organic molecules or nucleic …

Mammalian carboxylesterases are key serine hydrolases that catalyze the hydrolysis of a
wide variety of ester compounds in the corresponding carboxylic acids and alcohols. In …

Triterpenoids, important secondary plant metabolites made up of six isoprene units, are
found widely in higher plants and are studied for their structural variety and wide range of …

Covering 2015. Previous review: Nat. Prod. Rep., 2018, 35, 1294–1329 This review covers
the isolation and structure determination of triterpenoids reported during 2015 including …

The human immunodeficiency virus/acquired immunodeficiency syndrome (HIV/AIDS)
epidemic is one of the world's most serious health challenges. Although combination …