Results 21 to 30 of about 65,496 (162)

Extraction et évaluation de l'activité antioxydante et antimicrobienne de l'huile essentielle du PistaciaLentiscus [PDF]

open access: yes, 2021
34 f. : ill. ; 30 cm + (CD Rom)Cette étude vise à extraire, à caractériser l'huile essentielle du PistaciaLentiscus et à évaluer son activité biologique. La plante a été récoltée au Sud-est de la wilaya de Tizi-Ouzou en Algérie. L'extraction de
Zerkef, Miryam, Fenzi, Sabrina
core  

Composition chimique de l’huile essentielle de Satureja calamintha (L.) Scheele du Maroc [PDF]

open access: yes, 2015
Ce travail vise l’étude de la composition chimique de l’huile essentielle de Satureja calamintha (L.) Scheele du Maroc. Les constituants chimiques principaux de cette huile essentielle sont borneol (34.52%), αcampholenic aldehyde (14.26%), cedren-13-ol ...
Bouyazza, L, Farah, H, Ech-Chahad, A
core   +1 more source

Maize Fungal Growth Control with Scopoletin of Cassava Roots Produced in Benin

open access: yesInternational Journal of Microbiology, Volume 2017, Issue 1, 2017., 2017
The chemical contamination of food is among the main public health issues in developing countries. With a view to find new natural bioactive products against fungi responsible for chemical contamination of staple food such as maize, the antifungal activity tests of scopoletin extracted from different components of the cassava root produced in Benin ...
Rafiatou Ba   +11 more
wiley   +1 more source

Antimicrobial Activity and Chemical Composition of “Kpètè‐Kpètè”: A Starter of Benin Traditional Beer Tchoukoutou

open access: yesBioMed Research International, Volume 2017, Issue 1, 2017., 2017
The aim of this study was to investigate the antibacterial effect of the crude starter “kpètè-kpètè” and lactic acid bacteria used during the production of “tchoukoutou.” To achieve this, a total of 11 lactic acid bacteria and 40 starter samples were collected from four communes.
Christine N’tcha   +5 more
wiley   +1 more source

Variation de la concentration de l?huile essentielle et de ses constituants majoritaires lors de l?extraction ? la vapeur d?eau [PDF]

open access: yes, 2021
M?moire de Projet de Fin d??tudes : G?nie Chimique : Alger, ?cole Nationale Polytechnique : 2021Notre travail a pour objectif de recueillir ? partir de travaux ant?rieurs des donn?es concernant la composition chimique, le rendement et la cin?tique d ...
Bensaid, Nouara, Zarrougui, Nesrine
core  

Phytochemical Analysis and Biological Activities of Cola nitida Bark

open access: yesBiochemistry Research International, Volume 2015, Issue 1, 2015., 2015
Kola nut is chewed in many West African cultures and is used ceremonially. The aim of this study is to investigate some biological effects of Cola nitida’s bark after phytochemical screening. The bark was collected, dried, and then powdered for the phytochemical screening and extractions. Ethanol and ethyl acetate extracts of C.
Durand Dah-Nouvlessounon   +11 more
wiley   +1 more source

Évaluation de l’activité acaricide de l’huile essentielle extraite de la plante entière d’Aeollanthus pubescens sur la tique brune du chien, Rhipicephalus sanguineus

open access: yesRevue Marocaine des Sciences Agronomiques et Vétérinaires
L'infestation par les tiques Rhipicephalus sanguineus chez les chiens cause de nombreuses maladies, affectant leur bien-être. Les acaricides synthétiques, bien que couramment utilisés, sont de moins en moins efficaces à cause de la résistance croissante
Philippe SESSOU   +5 more
doaj   +1 more source

Beninese Medicinal Plants as a Source of Antimycobacterial Agents: Bioguided Fractionation and In Vitro Activity of Alkaloids Isolated from Holarrhena floribunda Used in Traditional Treatment of Buruli Ulcer

open access: yesBioMed Research International, Volume 2015, Issue 1, 2015., 2015
Buruli ulcer (BU) imposes a serious economic burden on affected households and on health systems that are involved in diagnosing the disease and treating patients. Research is needed to find cost‐effective therapies for this costly disease. Plants have always been an important source of new pharmacologically active molecules. Consequently we decided to
Achille Yemoa   +9 more
wiley   +1 more source

Phytochemical Screening of Pentadesma butyracea Sabine (Clusiaceae) Acclimated in Benin by GC/MS

open access: yesInternational Scholarly Research Notices, Volume 2013, Issue 1, 2013., 2013
The results brought back at the end of this work concerned various chemical constituents of P. butyracea materials collected in seven forest galleries in northern of Benin. The phytochemical analysis showed mucilage, coumarins, gallic tannins, flavones, sterols, and saponins, in its leaves.
J. P. A. Noudogbessi   +12 more
wiley   +1 more source

L’impact de la COVID‐19 sur l’expérience client en magasin

open access: yesCanadian Journal of Administrative Sciences / Revue Canadienne des Sciences de l'Administration, Volume 43, Issue 1, March 2026.
ABSTRACT Customer experience, a key concept in marketing, consists of five dimensions (sensory, emotional, cognitive, behavioural and social) that can allow consumers to have a unique and pleasant experience. However, the COVID‐19 pandemic has significantly altered these dimensions and thus transformed the consumer's in‐store experience.
Samantha Langis, Isabelle Brun
wiley   +1 more source

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