Site-Specific release of active molecules with antimicrobial activity spurred the interest in the
development of innovative polymeric nanocarriers. In the preparation of polymeric devices …

In Qatar, three main species of Pulicaria (from Asteraceae) such as Pulicaria undulata (L.)
CA Mey, Pulicaria gnaphalodes (Vent.) Boiss. and Pulicaria sicula (L.) Moris are reported …

Five new triterpenoids, including four ursane types (1–4) and one oleanane type (5),
together with 15 known ursane types pentacyclic triterpenoids (6–20) were isolated from the …

The use of herbal remedies is more current in illnesses with chronic diseases. One of these
important applications is the usage of many plant-derived compounds as cytotoxic agents for …

Natural products play a remarkable role not only in the synthesis, design, and discovery of
new drugs but also as the most prominent source of drugs and bioactive substances. Adding …

A bioassay-guided study of Pulicaria gnaphalodes from the Asteraceae (Compositae) family
led to the isolation of luteolin (1), quercetin (2), 4–methoxy benzoic acid (3), and quercetin-3 …

Influenza A virus, the main flu agent, affects billions of people worldwide. Conventional
treatments still present limitations related to drug-resistance and severe side effects. As a …

SARS-CoV-2 has high human-human transmission rate. The aerosols and saliva droplets
are the main contamination source. Thus, it is crucial to point out that dental practitioners …

Polyphenols are ubiquitous plant metabolites that demonstrate biological activities essential
to plant–environment interactions. They are of interest to plant food consumers, as well as to …

Three new ursane-type triterpenes (1–3) and twenty-one known triterpenoids (4–24) were
isolated from the methanolic extract of the whole plants of Potentilla chinensis. Their …