Mohammed Messaoudi

University of Eloued · Chemistry Department

Objective Hammada Scoparia (Pomel) as an endemic plant from the Amaranthaceae family, holds a significant position in the Saharan region of southern Algeria's traditional medicine. The aerial parts of Hammada scoparia was used to cure inflammation and wound healing management. The aim of this study was to determine the phytochemical constituents of...

The okra plant is an important source of food and has medicinal value. However, its chemical composition has yet to be sufficiently explored so far. The present study aimed to evaluate certain morphological traits, as well as the fibre and mineral composition of the stem, fruit, pericarp of the mature dry fruit, and seed of two commonly cultivated...

Neonicotinoid insecticides are widely used globally due to their broad-spectrum effectiveness and preventive benefits, but their ecological consequences are a growing concern. These insecticides negatively affect non-target organisms, particularly pollinators like bees, birds, and bats, which are essential for..

Neonicotinoid insecticides are widely used globally due to their broad-spectrum effectiveness and preventive benefits, but their ecological consequences are a growing concern. These insecticides negatively affect non-target organisms, particularly pollinators like bees, birds, and bats, which are essential for biodiversity and food production. Adve...

The neonicotinoid group of insecticides, known for their broad-spectrum effectiveness, are extensively utilized globally due to their well-established benefits in terms of their mode of action. Consequently, their utilization is expanding extensively and, furthermore, is frequently employed as a preventive measure without taking into account the ec...

This chapter presents an analysis of the impact of neonicotinoids on the bee population. Neonicotinoids are widely used pesticides that are toxic to bees and thus pose a threat to pollinators and bee-dependent ecosystems. The importance and use of neonicotinoids were discussed and the importance of studying their impact on bees was explained. Then,...

To valorize both medicinal and aromatic Algerian flora, the present study was performed to assess the effective bio-insecticidal effect of essential oils extracted from the leaves of two aromatic and medicinal plants, Lantana camara and Urtica dioica, on the development and reproduction of Plodia interpunctella (Lepidoptera; Pyralidae) found in sto...

This study presents a sophisticated simulation-driven analysis employing first-principles density functional theory (DFT) calculations to investigate the electronic properties, optical and structural of GdVO4 doped with phosphorus (P). GdVO4 is a member of the rare-earth orthovanadate (REVO4) family, which encompasses rare-earth elements such as th...

Cystic echinococcosis is a parasitic disease caused by the development of the larval form (hydatid cyst) of Echinococcus granulosus sensu lato (s.l) in humans and herbivores. In this study, antigen 5 (Ag 5), recognized as the major and most immunogenic fraction of E. granulosus (s.l), was partially purified using ammonium sulfate precipitation at 7...

The chemical composition, antioxidant activities, and α-amylase enzyme inhibitory activity of Algerian Juniperus phoenicea L berries were quantitatively and qualitatively determined in this study. Essential oil (EO) and non-polar crude extracts from cyclohexane and ethyl acetate were prepared, and the chemical profile was determined using GC-MS tec...

The growing amount of plastic waste has significantly worsened environmental pollution, a problem made worse by population growth and non-sustainable manufacturing and consumption practices. This growing concern emphasises the need of developing materials that lessen traditional plastics' harmful impact on the environment. An effective substitute i...

To investigate the effect of the high paracetamol doses on liver damage, we developed an experimental model of hepatotoxicity induced by paracetamol. In our study, we were interested in the evaluation of the potential hepatoprotective effect of the methanolic extract of Lepidium sativum (L.sativum ME). The latter, was prepared by maceration in meth...

Peptic ulcer disease remains a prevalent gastrointestinal disorder worldwide. Current treatments often have limitations, sparking interest in alternative therapies from medicinal plants. This review examines the gastroprotective potential of 54 North African medicinal plants against peptic ulcers. An extensive literature search was conducted, focus...

This study investigated the phytochemical composition and in vitro biological activities of leaf and seed extracts of Brassica oleracea var. elongata. Phytochemical screening revealed the presence of alkaloids, flavonoids, terpenoids, phenols, tannins, saponins, and reducing sugars in both methanolic and aqueous extracts. Quantitative analysis show...

The chapter “The Importance of Traditional Resources in Ethnomedicine” focuses on the research and use of traditional plant, animal, and microbial resources in ethnomedicine in the context of modern drug discovery. Ethnomedicine refers to traditional medicine practiced by various cultures and communities, using natural resources of plants, animals,...

Oxidative stress has been widely believed to be the mechanism responsible for developing diseases such as arthritis, asthma, dementia, and aging. Solanum nigrum Linn. is a common edible medicinal herb that belongs to the family Solanaceae which has more than 180 chemical components that have so far been discovered. The main bioactive components of...

This study was conducted to identify and characterize the Bacillus strain from Goat’s milk in Algeria and to evaluate the prebiotic effect of H. scoparia aqueous extract and ZnO-NPs on the isolated Bacillus strain. Potentially probiotic bacteria were isolated and identified based on phenotypic characteristics, including the morphological, physiolog...

Quinoa, scientifically known as Chenopodium quinoa Willd., is well recognized for its exceptional nutritional composition and potential benefits for human health. This research aims to conduct a phytochemical analysis of nutraceutical properties and biologcal activities of seven different quinoa cultivars, namely, red, white, Amarilla marangani, ka...

Quinoa, scientifically known as Chenopodium quinoa Willd., is well recognized for its exceptional nutritional composition and potential benefits for human health. This research aims to conduct a phytochemical analysis of nutraceutical properties and biologcal activities of seven different quinoa cultivars, namely, red, white, Amarilla marangani, ka...

Quinoa, scientifically known as Chenopodium quinoa Willd., is well recognized for its exceptional nutritional composition and potential benefits for human health. This research aims to conduct a phytochemical analysis of nutraceutical properties and biologcal activities of seven different quinoa cultivars, namely, red, white, Amarilla marangani, ka...

In this work, 1,2,3-triazole-linked thiosemicarbazones are used to synthesize bioactive thiazole derivatives, and their antioxidant properties are assessed. Using six 1,2,3-triazole-linked thiosemicarbazone derivatives combined with chloroacetone to create the final thiazole. Both the DPPH and ABTS assays were used to assess the synthetic compounds...

The development of nanomaterials has been speedily established in recent years, yet nanoparticles synthesized by traditional methods suffer unacceptable toxicity and the sustainability of the procedure for synthesizing such nanoparticles is inadequate. Consequently, green biosynthesis, which employs biopolymers, is gaining attraction as an environm...

The current study focuses on the effect of Juniperus communis extract on the probiotic properties of lactic acid bacteria isolated from camel milk in the region of El Oued (Algeria). Chromatographic analysis by HPLC was carried out to detect the most important compounds extracted from the plant. The total phenolic and flavonoid contents were determ...

The main goal of this study was to assess the bioactive and polysaccharide compositions, along with the antioxidant and antibacterial potentials, of five seaweeds collected from the northeastern coast of Algeria. Through Fourier transform infrared spectroscopy analysis and X-ray fluo-rescence spectroscopy, the study investigated the elemental compo...

This study represents the investigation of major and trace elements in two indigenous plants, Cynodon dactylon (L.) and Phragmites australis, grown in the Ghar-daia region of Southern Algeria. Using Instrumental Neutron Activation Analysis (INAA) technique, the research aimed to ascertain the content of essential and toxic elements in the aerial pa...

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In this study, we evaluated the effect of treated and auto-recovered clinical endometritis on fertility as a uterine disease class. We collected data on breeding, diseases, and cyclicity. Regarding the co-affections, cows with auto-recovered clinical endometritis were affected in groups 1 and 2. Cows with treated clinical endometritis represented g...

This study assessed the efficacy of an Ammodaucus leucotrichus seed extract to treat rheumatoid arthritis in rat models of this disease. Rheumatoid arthritis was induced in rats using two methods: immunization with 100 µL of Complete Freund Adjuvant (CFA) and immunization with 100 µL of a 3 mg/ml solution of type II collagen (CII) from chicken cart...

In the Algerian desert, individuals often enjoy a soothing cup of herbal tea made from Ephedra alata Decne before bedtime; this aids in their relaxation. Our previous and earlier investigations demonstrated the richness of the shrub in terms of polyphenols and flavonoids and their effective medicinal properties. In the light of that fact, our inter...

This study presents an initial exploration of the phytochemical composition and biological properties of Salsola foetida, a wild plant native to southeastern Algeria. The investigation encompassed an analysis of the biochemical content, phytochemical profile, and bioactivity of the plant’s aerial parts. The biomass of S. foetida was found to compri...

The main objective of this research is to assess how gamma radiation influences the chemical composition and activities such as antioxidant, antimicrobial and anti-cancer activities of Lepidium sativum (L. sativum) seeds. Methanolic extracts were obtained through a 24 h macera-tion process from L. sativum seeds exposed to various doses of gamma irr...

Ammodaucus leucotrichus exhibits promising pharmacological activity, hinting at anti-inflammatory and anti-arthritic effects. This study investigated seed extracts from Ammodaucus leucotrichus using methanol and n-hexane, focusing on anti-inflammatory and anti-arthritic properties. The methanol extract outperformed the n-hexane extract and diclofen...

Organic micropollutants present in water prepared for consumption in trace amounts can pose a serious threat to the health of consumers. Most of these compounds are hardly biodegradable; therefore, their complete elimination from drinking water is extremely burdensome. Legal acts regulating the quality and quantity of water intended for human consu...

Detecting nuclear radiation presents a distinctive challenge, particularly with neutrons, which are neutral particles. The method of direct detection involves the utilization of a converter material, acting as an intermediary. Boron plays a pivotal role in this process, reacting with thermal neutrons to generate alpha particles and lithium, with a...

The Lamiaceae family contains bioactive medicinal compounds mostly used as ornamental plants and traditional medicine, as well as in the food, cosmetics, and pharmaceutical sectors. Common uses include treating high cholesterol, diabetes, respiratory diseases, heart disease, and food poisoning. These medicinal uses were linked to their components a...

This study presents a novel method for synthesizing 1,4-disubstituted 1,2,3-triazole derivatives through a one-pot, multi-component addition reaction using flower-like Cu 2 O microbeads as a catalyst. The flower-like Cu 2 O microbeads were synthesized using an aqueous extract of Artimisia Campestris L. This extract demonstrated the capability to re...

In the present study, the ethanol extract of leaves of Nepeta bodeana Bunge was utilized in environmentally friendly synthesis of gold nanoparticles (AuNPs) via an immediate, one-step, and cost-effective process. The biosynthesized AuNPs were characterized using a variety of techniques, including UV-visible spectroscopy, Fourier transform infrared...

Study of alpha-amylase and urease inhibitory activities of Unripe Fruit of Pistacia Atlantica aqueous extract

To valorize both medicinal and aromatic Algerian flora, the present study was performed to assess the effective bio-insecticidal effect of essential oils extracted from the leaves of two aromatic and medicinal plants; L. camara , and U. dioica grown in northeast Algeria, on the development and the reproduction of Plodia interpunctella (Lepidopterae...

Le 2ème séminaire national en génie des procédés 2023 est une continuité d’une série des événements organisés par le département de génie des procédés de l’université Kasdi-Merbah ouargla depuis 2019.

Insect venom allergies, particularly reactions to Hymenoptera stings, pose significant health risks globally, necessitating attention and advancements in diagnostic and therapeutic approaches. The administration of allergen-specific immunotherapy is crucial for the safety of individuals with venom allergies. Recently investigated honeybee venom pep...

The aim of this study is to evaluation of the elemental chemical concentration by using two technique as Instrumental Neutron Activation Analysis (INAA) and Inductively Coupled Plasma-Optical Emission Spectrometer (ICP-OES) techniques. Medicinal plants of T. Polium, M. pulegium L. M. Chamomilla growing in Algeria, these species are generally common...

Environmental pollution affects several fields such as soil, sediments, air, and water systems. These are due to the rapid and uncontrollable growth of means of transport (ships, automobiles, trucks, trains, planes, etc.), in addition to the thousands of types of chemicals used at all levels. All these automatically lead to the contamination of the...

Pollution of the environment in urban ecosystems such as land and water with pesticides, organic pollutants, heavy metals, fertilizers, and radionuclides has become a major concern due to present intensive agricultural methods and industrialization. In order to immobilize, absorb, lessen, or stabilize toxicity or decompose the substances that are r...

The energy-dispersive X-ray fluorescence (ED-XRF) technique has been used for measurements of K α , K β , and total K X-rays emission cross sections induced by photons, as well as K-shell fluorescence yields for pure elements with 22 ⩽ Z ⩽ 49. These metals have been irradiated at 59.54 KeV excitation energy from an 241 Am annular radioactive source...

Due to its promising features, cellulose, the most plentiful renewable material in nature, is used in a variety of industrial processes. In this work, we used peanut shells (Arachis hypogaea L.) for the purpose of producing microcrystalline cellulose (MCCs) and nanocrystalline cellulose (CNCs), respectively. The following process was used to separa...

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Abstract: The green approach-based nanoparticle synthesis is considered a more cost-effective and ecologically responsible method of producing nanoparticles than other standard techniques. A major accomplishment in resolving these issues is the use of nanoparticles for environmental pollution remediation. This article describes a simple method for...

In this present research, as a result of heat treatment in the open using a furnace at a temperature of 500°C, the nickel-coated carbon fibers in this work were successfully created with the nanocrystalline NiO monolayer. The thermal and optical properties (PL) of these materials were investigated using their structural, morphological, composit...

This study aimed to investigate the phytochemical composition and biological activity of Salsola tetragona Delile. (Amaranthaceae), a medicinal plant. The study evaluated the antioxidant potential of the crude extract and five fractions of S. tetragona using DPPH•, ABTS•+, CUPRAC, and metal chelating assays. The anti-inflammatory activity was deter...

Mr. Messaoudi has published more than ten papers in the field of medicinal plant, human health and environmental studies related to the Algerian and abroad. He is participant of many conferences and workshops related to neutron activation analysis method analysis. The main focus of his research is study and control of air quality in the urban sites...

The medicinal use of Salsola tetragona Delile (Amaranthaceae) aerial parts is a longstanding tradition. This study delved into the plant’s potential as an antioxidant, anti-diabetic, and anti-Alzheimer agent. The aerial portion extracted and evaluated four fractions (n-hexane, dichloromethane, ethyl acetate, n-butanol) for their antioxidant activit...

In Algeria, the data and research on the essential and toxic chemical elements in food are limited and insufficient; therefore, the present study focused on evaluating the essential and toxic elements content in different 11 brands with two types (tomato and oil) of canned tuna fish, consumed in Algeria in 2022, by inductively coupled plasma–optica...

In this study, the clay was interwoven with cellulose to change its structure. The product clay/cellulose was used to assess the efficacy of the methylene blue (MB) dye removal from aqueous solutions (CC25). The response surface methodology and Box-Behnken design were used to optimize the influence of crucial parameters (cellulose load, adsorbent d...

In Algeria, the data and research on the essential and toxic chemical elements in food are limited and insu cient, therefore the present study focused on evaluating the essential and toxic elements content in different 11 brands with two types (tomato and oil) of canned tuna sh, sold in Algeria in 2022, by inductively coupled plasma-optical emissio...

The chamomile plant, Matricaria chamomilla L., is a well-known medicinal plant species that is widely utilized in folk and traditional medicine to provide sedative as well as spasmolytic effects. In the present study and for the first time in Algeria, we examined in particular the content of essential and toxic elements in the Algerian plant M. cha...

This study reports the biochemical profile and in vitro biological activities of the aerial part of two shrubs: Halocnemum strobilaceum and Suaeda fruticosa, a halophytes species native to saline habitats. The biomass was evaluated by determining its physiological properties and approximate composition. Hydro-methanolic extracts from Halocnemum str...

This study reports the biochemical profile and in vitro biological activities of the aerial part of two shrubs:Halocnemum strobilaceumandSuaeda fruticosa, a halophytes species native to saline habitats. The biomass was evaluated by determining its physiological properties and approximate composition. Hydro-methanolic extracts fromHalocnemum strobil...

Citation: Sawicka, B.; Krochmal-Marczak, B.; Sawicki, J.; Skiba, D.; Pszczółkowski, P.; Barbaś, P.; Vambol, V.; Messaoudi, M.; Farhan, A.K. White Clover (Trifolium repens L.) Cultivation as a Means of Soil Regeneration and Pursuit of a Sustainable Food System Model. Land 2023, 12, 838. https://doi. Abstract: Background: Currently, in the face of c...

In phytoextraction, the key problem is contaminated plant biomass, but also the selection of appropriate plant species that are resistant to pollution, as well as the time needed to completely clean the soil. The aim of the research was to select an appropriate method for the reclamation of soils contaminated with polycyclic aromatic hydrocarbons (...

Silica (SiO2), a component of the earth's crust, has been in use for many nanotechnological applications. This review presents one of the newest methods for safer, affordable, and more ecologically friendly production of silica and its nanoparticles from the ashes of agricultural wastes. Production of SiO2 nanoparticles (SiO2NPs) from different agr...

SÉMINAIRE NATIONAL SUR LES SUBSTANCES BIOACTIVES 14 mars 2023

All across the world, plant-based medicines and therapeutics are receiving increasing attention. Many studies have been performed, with several modern analytical techniques applied to assess the quality of these medicinal plants. Notably, the use of chemometrics in the study of medicinal plants is natural and essential. This study developed an easy...

Citation: Khattabi, L.; Chettoum, A.; Hemida, H.; Boussebaa, W.; Atanassova, M.; Messaoudi, M. Pirimicarb Induction of Behavioral Disorders and of Neurological and Reproductive Toxicities in Male Rats: Euphoric and Preventive Effects of Ephedra alata Monjauzeana. Abstract: Carbamate pesticides are a risk to human well-being, and pirimicarb is the m...