PurposeWithin the framework of the valorization of natural resources, a characterization of the biochemical composition of the edible parts of Adansonia Digitata is applied. The antibacterial effect against bacteria is also realized and compared to some synthetic antibiotics.Design/methodology/approachThe biochemical characterization is carried out according to the norms of the French Association of Normalization, methods of Association of Official Analytical Chemists (AOAC International) and gas chromatography (GC). The antibacterial activity is tested by disk diffusion on a solid medium. Parametric tests are used to compare the differences between groups and heat maps to show the expression of the mean inhibitions according to the studied parameters. Multivariate logistic modeling is applied to study the effect of extracts and antibiotics on bacteria.FindingsBiochemical characterization showed a variable importance of proteins, fibers and total sugars, with the presence of highly desired fatty acids such as palmitic, oleic, stearic, linoleic and a-linolenic acids. This gives the tested parts important energy values, especially in the seeds very rich in fatty acids. Methanol proved to be a better extraction solvent than dichloromethane. Antibacterial activity showed that pulp and leaves extracted with methanol had quite similar inhibitory activities against Enterococcus faecalis ATCC29212 and that this effect was better than some antibiotics. Multivariate analysis showed that the leaves had a similar effect to antibiotics, and a significant effect against Staphylococcus aureus ATCC29213.Originality/valueThis important activity and the attractive nutritional value of this plant could justify its extensive use in the traditional pharmacopoeia.
The Carabidae play an increasing role in biodiversity conservation and ecological monitoring, making a faunistic update all the more necessary. Carabids, however, are poorly known considering their diversity in the world. Also known as ground beetles, they are the fourth most diverse group within the Coleoptera, but the amount of published data sets from Morocco is disproportionately small; many species and regions have yet to be well researched. In an effort to fill this gap, we studied the faunistic composition of the carabidae in the north-west of Morocco between spring 2019 and summer 2020 at three different habitat types using two types of traps. Here we present new data on some rare and poorly known Carabidae in Morocco: Pterostichus (Sterocorus) globosus ssp. globosus (Fabricius, 1792), Poecilus (Parapedius) decipiens ssp. decipiens (Waltl, 1835), Harpalus neglectus alluaudi (Antoine, 1922), Graniger cordicollis (Audinet Serville, 1821), Brachinus (Brachinus) efflans (Dejean, 1830), Brachinus (Brachinidius) angustatus (Dejean, 1831), Carabus (Macrothorax) rugosus ssp. rugosus (Fabricius, 1792) and Siagona dejeani (Rambur, 1838). Our results contribute to the knowledge of the Moroccan carabid fauna by introducing eight new localities of terrestrial insects that were poorly unknown and infrequently reported in Morocco over the past 20 years. Dataset published through Zenodo (Doi: 10.5281/zenodo.7665486)
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