Erectile dysfunction is the persistent inability of a man to achieve or maintain an erection of the penis sufficient for satisfactory intercourse. Its socio-cultural involvement is important, since one of the purposes of marriage is procreation. In the past, the woman was indexed as the cause of the couple's infertility or lack of procreation. Nowadays, this disorder is quite common among men. The objective of this work is to contribute to the study of medicinal plants used by traditional herbalists for the treatment of erectile dysfunction in the Municipality of Ngaba in Kinshasa in the Democratic Republic of Congo. Surveys conducted with herbalists have identified 22 plant species belonging to 19 families. The most used organs are the root and the stem. The seeds are the least used. Chewing is the predominant mode of preparation. It is followed by the decoction and the grounded material. Maceration is the least prescribed. These results have made it possible to inventory the medicinal plants involved in the treatment of erectile dysfunction.
In Africa, ancestors are known to possess phytotherapy knowledge. This knowledge is transmitted from one generation to another through oral tradition. Based on experience, this knowledge is unaware of the chemical composition of the plants used. The study is to justify its scientific basis in the treatment of Buruli ulcer. Ethnobotanical data are collected from older men, traditional healers, herbalists, practitioners and patients who have suffered from Buruli ulcer. The species mentioned in the recipes were screened for the detection of major chemical groups. Aloe tenuifolia, Annona senegalensis, Brillantaisia owariensis, Vernonia amygdalina and Strychnos icaja are involved in the management of Buruli ulcer. Chemical screening has revealed the presence, to varying degrees, of the following secondary metabolites: tannins, alkaloids, saponosides, free quinones, anthocyanins, bound quinones, terpenoids, polyphenols, steroids, coumarins and reducing sugars. The presence of these metabolites provides a scientific basis for Ntandu endogenous knowledge. These findings give credence to the ethnomedical use of in the treatment of Buruli ulcer in Ntandu people.
The present research aims to test the antibacterial activities of a sample of 13 plant species used in traditional medicine against infectious and parasitic diseases in Kinshasa and its surroundings. Ten herbal drugs were tested in the laboratory on Escherichia coli, Pseudomonas aeruginosa, Salmonella typhi, and Staphylococcus aureus. With the exception of Pseudomonas aeruginosa, three of the four bacterial strains tested are sensitive to the herbal recipes in this study: Escherichia coli, Salmonella typhi, and Staphylococcus aureus. These results give credibility to the traditional knowledge of local ethnic groups for the antibacterial properties of traditional prescriptions used in traditional medicine.
More than 80% of the population in Africa by the World Health Organization (WHO) leans on endogenous knowledge to solve their primary health care problems. In this study, we examined the relevance of Costus afer Ker Gawl, a plant called ginger lily, spiral ginger or bush cane. It is believed to be used in traditional medicine practice (TMP) to treat and manage many conditions including diabetes mellitus, stomach ailments, arthritis, inflammation. These alleged traditional incited large researchers to conduct studies on the plant to amass scientific evidence. However, these results are sparse, and thus, an inventory through the present search using online search engines such as Google Scholar, PubMed, Science Direct, Web of Science, Scopus and Chemical Abstracts for the period from 1990 to 2021; provides a bibliographic actualization on the plant, taking into account its traditional uses, phytochemical and nutritional constituents, pharmacological activities and toxicological effects. The online search included the use of the keywords, "Costus afer Ker-Gawl" or "Costus afer". It should be noted that the stem and leaves of the plant contain consistent amounts of micronutrients and macronutrients. The leaves, stem, rhizomes of C. afer contain several steroidal sapogenins, aferosides, dioscin and paryphyllin C and a flavonoid glycoside, kaempferol-3-O- \(\alpha\)-L-rhamnopyranoside. Experimental studies on various parts of the plant have shown biological activities such as anti-hyperglycemic, hepatocellular protection, cardioprotection, nephroprotection, CNS depressant, analgesic, antiarthritis, antibacterial and antioxidant. This wide range of biological properties of Costus afer Ker Gawl would be largely attributed to the essential oil compounds such as Sabinene, \(\beta\) -pinene and \(\beta\) -caryophyllene which are among the major compounds of this plant. Based on these obvious data, it is concluded that the plant could be used as an alternative and complementary therapy for many diseases related to oxidative stress so will guide us future research on the use of Costus afer Ker Gawl as an anti-inflammatory.
Snakebite envenomation is a neglected tropical disease causing enormous suffering, disability and premature death on all continents. This study aims to inventory the plants involved in the management of snakebite cases in rural areas. A survey was conducted in the Bonginda groupement, Bonginda Territory, Equateur Province in DR Congo during the period from January 2019 to December 2020. Data was collected by the standardized interview method with a focus on individual interview technique. To this end, a questionnaire was administered to traditional healers reputed in the treatment of snakebites. It shows that 17 species grouped into 14 families are used to treat cases of ophidian envenomation in Bonginda. The Fabaceae and Rubiaceae families each have 3 species. The others are monospecific. Among the organs used, leaves predominate with a score of 44.4%. They are followed by the roots (18.5%). Regarding the mode of preparation, the decoction prevails with 27.3%. It is followed by grinding (13.6%). As for the route of administration, local application (28.6%) is ahead of the oral route (23.8%) and purgation (14.3%). Constituents based on medicinal plants are recognized as local heritage.
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