Research Article

Tristemma hirtum and Five Other Cameroonian Edible Plants with Weak or No Antibacterial Effects Modulate the Activities of Antibiotics against Gram-Negative Multidrug-Resistant Phenotypes

Table 1

Information on the studied plants.

Species (family);
voucher number
Traditional usesBioactive or potentially bioactive componentsKnown antimicrobial activities of plants

Aframomum alboviolaceum (Ridl.) K.Schum. (Zingiberaceae); 34888/HNCAgainst bacterial infections, hemorrhoid, and fever and as diuretic [16, 43, 44]Alkaloids, flavonoids, phenols, triterpenes, and anthocyanin [16]Methanol extract of rhizome against Enterobacter aerogenes, Klebsiella pneumoniae, Enterobacter cloacae [16], and Haemonchus contortus [45]

Aframomum letestuanum Gagnep.
(Zingiberaceae); 43134/HNC
Against hemorrhage, muscular pains, nausea, and vomiting [46]Not reportedNot reported

Cucurbita pepo Linn.
(Cucurbitaceae); 42512/HNC
Against stomachache, for hepatoprotection, antidiabetic, antimicrobial, and anti-inflammatory hypertension [4749].Carotenoids, saponins, tannins, quinones, coumarins, lignins, and alkaloids [28, 29]Ethanol extract of leaves against Escherichia coli, Klebsiella pneumoniae, and providencia stuartii [17]

Physalis peruviana L.
(Solanaceae); 16547/SRF-Cam
Against asthma, hepatitis, malaria, and rheumatism [46]Polyphenols and steroids [30]Ethanol extract of seeds against Lactococcus lactis [50], ethanol extract and water extract of leaves and berries against Listeria spp. [51]

Raphia hookeri Mann & Wendl.
(Arecaceae); 38372/HNC
As laxative and against malaria, measles, and infections [31, 52] Alkaloids, flavonoids, phenols, tannins, and saponins [31, 32].Effects of wine against Escherichia coli, Pseudomonas aeruginosa, Bacillus cereus, and Staphylococcus aureus [31, 35]

Tristemma hirtum P. Beauv.
(Melastomataceae); 33936/HNC
Against typhoid fever, hemorrhoids, infertility, and skin diseases [33].Alkaloids, flavonoids, polyphenols, steroids, tannins, saponins, and triterpenes [33]Not reported

HNC: Herbier National du Cameroun; SRF-Cam: Société des Réserves Forestières du Cameroun.