Antibacterial activity of Mulinum spinosum extracts against slime-producing Staphylococcus aureus and methicillin-resistant Staphylococcus aureus isolated from nasal carriers.

Nasal carriers of Staphylococcus aureus are important reservoirs with risk of developing endogenous infections or transmitting infections to susceptible individuals. Methicillin-resistant S. aureus (MRSA) are associated with higher rates of treatment failure.

Anti-inflammatory properties from isolated compounds of Cyclolepis genistoides.

Context: Cyclolepis genistoides D. Don (Asteraceae) is an Argentinean endemic shrub, known by the vernacular name "palo azul" or "matorro negro". It is widely used in folk medicine as a diuretic, an antirheumatic, and an antispasmodic agent.

Mulinane-type diterpenoids from Mulinum spinosum.

In addition to the known mulinolic and mulinenic acids, two diterpenoids, mulin-11-ene-13-alpha,14-alpha-dihydroxy-20-oic and mulin-12-ene-14-one-20-oic acids, were isolated from the aerial parts of Mulinum spinosum (Cav.) Pers. (Apiaceae).

neo-Clerodane diterpenoids from Baccharis flabellata.

Three diterpenoid derivatives were isolated from the acetone extract of Baccharis flabellata. Their structures were elucidated as 2,19;15,16-diepoxy-neo-clerodan-3,13(16),14-trien-18-oic acid, 15,16-epoxy-5,10-seco-clerodan-1(10),2,4,13(16),14-pentaen-18,19-olide and 15,16-epoxy-neo-clerodan-1,3,13(16),14-tetraen-18,19-olide through spectroscopic analyses.