Research Article

Antimicrobial Activities of a Plethora of Medicinal Plant Extracts and Hydrolates against Human Pathogens and Their Potential to Reverse Antibiotic Resistance

Table 1

Selected ethnomedicinal plants (from the Bassa land, Cameroon) used in the study and their traditional usage.

s/nName of plants/familiesTraditional usage

Aframomum danielli (Zingiberaceae)Aframomum danielli seed extracts are used against inflammations and helminthic diseases, as preservatives [42].

Aframomum  kayserianum (Zingiberaceae)Used to treat various ailments and cancer [43].

Aframomum melegueta (Zingiberaceae)Aframomum melegueta seeds are used to treat various ailments amongst others measles, leprosy, helminthic diseases, dysmenorrhea, bronchopulmonary disorders, female sterility, migraines, and sexual asthenia [43, 44].

Aframomum sulcatum (Zingiberaceae)Aframomum sulcatum seeds are used to treat male infertility, fever, and worm diseases [31].

Albizia lebbeck (Mimosaceae)Used to cure blood diseases, bronchitis, asthma, snakebites, hemorrhoid, itching [45].

Aucoumea klaineana (Burseraceae)Tree bark used against cough, chest pain, abscess, dysentery; resin used in skin, hair, and nail care [46, 47].

Baillonella toxisperma (Sapotaceae)Bark used to treat syphilis, kidney pain, anaemia, female infertility, sexual impotence, intestinal worms, diabetes, back aches, and itches and as purgative [48, 49].

Canarium schweinfurthii (Burseraceae)Fruits, stems, and barks used to treat cough, veneral diseases, and exudates; used as antioxidants [50].

Cinnamomum zeylanicum (Lauraceae)Used in cancer and diabetes [51].

Clausena anisata (Rutaceae)Used against gut disturbances, oral candidiasis, and fungal infections of the skin, in epilepsy and as an anticonvulsant, in high blood pressure, as antimalarial medicine, and to treat various microbial and viral infections [52, 53].

Cupressus leylandii (Cupressaceae)Used for screening or hedging.

Cymbopogon winterianus (Poaceae)Used as antibacterial, antifungal, antiyeast, insecticidal, and insect repellent agents [54].

Echinops giganteus (Asteraceae)Used to treat cancer [55].

Eugenia caryophyllus (Myrtaceae)Used to treat a broad range of diseases including abscess, tonsillitis, tuberculosis, influenza, hepatitis, cholera, malaria, and difficult childbirth [56].

Fagara leprieuri (Rutaceae)Use as anticancer agent.

Fagara xanthoxyloides (Rutaceae)Used to treat inflammations, abdominal pains, ulcers, toothache, and fever [57].

Kigelia africana (Bignoniaceae)Bark and fruits used to treat HIV and various opportunistic diseases, diarrhoea, impotence, hemorrhoid, malaria, diabetes, and genital itches [27, 28].

Mitracarpus scaber (Rubiaceae)Used to treat headache, amenorrhoea, leprosy, and skin and liver diseases [24].

Myrianthus arboreus (Moraceae)Used to treat jaundice, dysentery, diarrhoea, vomiting, fever, heart disorders, and dysmenorrhoea [58].

Nauclea pobeguinii (Rubiaceae)Used to treat malaria and to prevent miscarriages.

Pamplemousse pepin (Rutaceae)Used as natural antibiotics and antifungal agents.

Pentadiplandra brazzeana (Pentadiplandraceae)Used as antiseptic in treatment of wounds, analgesic in treatment of dental caries and rheumatism, and as aphrodisiac [59].

Piper capense (Piperaceae)P. capense is used to treat veneral diseases, paralysis, infertility, and heart and kidney diseases and as sexual stimulant amongst others [60].

Piper guineense (Piperaceae)P. guineense leaves are aperitifs, carminative, and eupeptic and are also used to treat cough, bronchitis, intestinal disorders, and rheumatism [61].

Piper nigrum (Piperaceae)Piper nigrum is used for pain relief, chills, flu, fever, muscle ache and skin disorders, asthma, obesity, and diarrhoea [62].

Scleria striatinus (Cyperaceae)Use against eye infections.

Tetrapleura tetraptera (Fabaceae)Used to treat epilepsy, convulsions, malaria, fever, and fibromyoma [63].

Xylopia aethiopica (Annonaceae)Used to treat bronchitis, dysentery, inflammations, cough, and postnatal pains [23].