December 2023

Antimicrobial activities of the extract of shea tree (Vitellaria paradoxa Gaertn. F.) leaf and bark on some selected clinical pathogens

The use of plants and plant products in the treatment of various ailments has been with humanity since the dawn of time and the potentials of these plants are so enormous that the continuous search for their hidden treasures is more crucial because of the rise in antibiotic resistance. This study was designed to determine the antimicrobial activities of the shea tree (Vitellaria paradoxa) extracts against some selected...

Author(s): Lawrence Adelani Adetunde , Oliver Awo and Abdul-Wahab Mbelayim Imoro

December 2023

Phytochemical compounds present in COVI-MXG herbal preparation inhibits RNA-Dependent RNA polymerase from SARS-CoV-2: A molecular docking study

Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) has been identified as the agent responsible for COVID-19 pandemic. Currently, no therapeutic agents have proven effective in combating the virus. Managing the infection is mainly palliative in nature, involving infection prevention strategies and supportive therapy anchored on drugs that practitioners have had previous usage experience. Previously exploited...

Author(s): Olanike Catherine Poyi, Kakjing D. Falang and Jacob A. Kolawole  

December 2023

Effects of different nitrogen forms and concentration combinations on American ginseng seedling growth

This study investigated the impact of various nitrogen forms on American ginseng (Panax quinquefolius) seedling growth. Thirteen treatments of inorganic and organic nitrogen combinations were tested in the first year and growth indicators were measured. In the second year, treatments with significant growth promotion effects were further verified. The results showed improved growth of American ginseng seedlings when the...

Author(s): Nan Zou, Chongwei Li, Guozhong Chen, Wanxin Huang, Ping Zhu, Yuping Hou and Xinfu Bai  

December 2023

Qualitative, quantitative composition and evaluation of the antioxidant activity of polar extracts of stem bark of Hexalobus crispiflorus A. Rich (Annonaceae family): Central African species

Hexalobus crispiflorus A. Rich., synonym Hexalobus grandiflorus Benth, is a plant in the Central African pharmacopoeia, widely used in the treatment of skin diseases and diabetes. The present study is a contribution to the qualitative and quantitative analysis and evaluation of the antioxidant activity of this plant. Preliminary phytochemical tests carried out on the different crude extracts of H. crispiflorus revealed...

Author(s): Ngaïssona Paul, Worowounga Xavier, Issa-Madongo Mathurin, Komokoïna-Yamadjiyo Arthur Stanislas, Namkona Frédéric Armel, Koane Jean Noël, and Syssa-Magalé Jean-Laurent