Antimicrobial activity of the methanolic extracts and compounds from Vismia laurentii De Wild (Guttiferae)

<i>In vitro</i> evaluation of the antibacterial activity of some medicinal plant extracts against <i>Xanthomonas campestris pv. musacearum</i>

“…From this it can be presumed that phenolic compounds act at two different points (cell membrane and cell wall), affecting the growth and metabolism of bacteria (Taguri et al, 2006;Stefanovic et al, 2012). Similar results have also been reported in other studies (Rajeshwar et al, 2005;Kuete et al, 2007). Extract of V. amygdalina …”

Non-toxic melanin production inhibitors from Garcinia livingstonei (Clusiaceae)

“…The activity of morelloflavone (1) as an antiinflammatory (Gil et al, 1997;Castardo et al, 2008) and antioxidant (Sanz et al, 1994;Deachathai et al, 2005;Hutadilok-Towatana et al, 2007) are well-documented; it has also been found to be a potent tyrosinase inhibitor (Masuda et al, 2005), anti-HIV-1 (Lin et al, 1997), and anti-bacterial (Verdi et al, 2004) agent, and to have antimalarial (Ngouamegne et al, 2008) and analgesic (Luzzi et al, 1997) properties. Isojacareubin (5) is known for its activity as an anticoagulant (Wu et al, 1998), and 6-deoxyisojacareubin (6) for its antifungal (Morel et al, 2002) and antibacterial (Kuete et al, 2007) properties, while sargaol (4) shows marked activity as an antioxidant (Nahas et al, 2007).…”

Chemistry and biology of genusVismia

“…A total of nine active compounds, viz., kaempferol (3), 6-deoxyisojacareubin (6), geranyloxy-6-methyl-1,8-dihydroxyanthraquinone (9), bivismiaquinone (10), vismiaquinone C (67), friedelin (119), vismiaquinone (121), 1,8-dihydroxy-6-methoxy-3-methyl-anthraquinone (122), O 1 -demethyl-3′,4′-deoxypsopermin-3′,4′-diol (123), and 124 were isolated from V. laurentii by Kuete et al (2007).…”

“…V. latifolia is used in traditional medicine as a tonic and febrifugal agent (Kerharo, 1974). Methanol extracts of V. baccifera, V. jefensis, and V. macrophylla have shown good potency against human breast, CNS, and lung cancer cell lines (Hussein et al, 2003 V. laurentii (Kuete et al, 2007) 1,8-dihydroxy-6-methoxy-3-methyl-anthraquinone (122) V. laurentii (Kuete et al, 2007) O 1 -Demthyl-3′,4′-deoxypsopermin-3′,4′-diol (123) V. laurentii (Kuete et al, 2007) Kaempferol (124) V. laurentii (Kuete et al, 2007) Tirucalla-7,24-dien-3-one (125) V. laurentii Noungoue et al, 2009 3-Geranyloxyemodin (126) V. laurentii Noungoue et al, 2009 Epifriedelinol (127) V. laurentii Noungoue et al, 2009 Stigmasta-7,22-dien-3-ol (128) V. laurentii Noungoue et al, 2009 Laurentiquinone A (129) V. laurentii Noungoue et al, 2008 Laurentiquinone B (130) V. laurentii Noungoue et al, 2008 Laurentiquinone C (131) V. laurentii Noungoue et al, 2008 …”