3-Farnesyl-2-hydroxybenzoic acid is a new anti-Helicobacter pylori compound from Piper multiplinervium

A Review of Botanical Characteristics, Traditional Usage, Chemical Components, Pharmacological Activities, and Safety of Pereskia bleo (Kunth) DC

“…The antifungal activity of the water and methanol extract of P. bleo leaves against Cladosporium cucumerinum , a plant pathogenic fungus, has been reported [43], but they were not active against Candida albicans , a common human pathogen [42, 43]. …”

Medicinal plant extracts with efflux inhibitory activity against Gram-negative bacteria

“…Unfortunately, most of the plant-derived compounds have little or no activity with antibiotics against Gram-negative bacteria and it was suggested that, as many plant pathogens are Gram-negative bacteria, plants may not produce molecules effective against these organisms [5]. None the less, there are many medicinal plants that have traditional usage in various parts of the world in the treatment of infections caused by Gram-negative bacteria [12,13].…”

Prenylhydroxybenzoic acid compounds with pungent activity from Piper arieianum (CDC) leaves

“…Additionally, species of this family are used in ethnomedicine (Rüegg et al, 2006;Braga et al, 2007), as well as in agriculture for insect control (Dyer and Palmer, 2004). Piper arieianum is a small shrub growing in Central and South America, and arieianal and piperoic acid (Green et al, 1999) have been reported from its leaves, whereas pungent compounds such as isobutylamides and piperidinic amides have not been reported.…”