Zakaria Boual
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View article: A systematic review of Astragalus plants in the septentrional Algerian Sahara
A systematic review of Astragalus plants in the septentrional Algerian Sahara Open
Background The flora of the septentrional Algerian Sahara stands out for its remarkable resilience in the face of drought and salinity, offering a valuable resource with diverse applications in food, aromatics, and medicine. Among these re…
View article: In Vitro Evaluation of α-Amylase, α-Glucosidase Inhibition Activity and Protein Denaturation Inhibition of Polysaccharides from Leaves and Seeds of Zygophyllum album L.
In Vitro Evaluation of α-Amylase, α-Glucosidase Inhibition Activity and Protein Denaturation Inhibition of Polysaccharides from Leaves and Seeds of Zygophyllum album L. Open
The present study investigates anti-hyperglycemic activity and protein denaturation inhibition of polysaccharide extracts from leaves (ZF) and seeds (ZG) of Zygophyllum album L (Zygophyllaceae), a wild plant harvested in the south-east of …
View article: Exploring Growth Phase Effect on Polysaccharide Composition and Metal Binding Properties in Parachlorella hussii
Exploring Growth Phase Effect on Polysaccharide Composition and Metal Binding Properties in Parachlorella hussii Open
Microalgae-based bioremediation is increasingly recognized as a sustainable, efficient, and straightforward technology. Despite this growing interest, the potential of Parachlorella hussii for metal biosorption remains underexplored. This …
View article: Galactomannans from Chemical Insights to Multifaceted Applications: A Review
Galactomannans from Chemical Insights to Multifaceted Applications: A Review Open
Objective This study provides a comprehensive overview of galactomannans, focusing on their chemical structure, physicochemical properties, primary sources, and diverse industrial applications. Method The structural composition of galactom…
View article: Isolation, Characterization and Antidiabetic Activity of a Galactomannan from <i>Astragalus cruciatus</i> Link. Seeds
Isolation, Characterization and Antidiabetic Activity of a Galactomannan from <i>Astragalus cruciatus</i> Link. Seeds Open
Introduction: This study aims to identify novel polysaccharides present in Astragalus cruciatus Link. seeds harvested from the septentrional Algerian Sahara. Methods: The extraction method focus on isolating the mucilage fraction using mac…
View article: A sulfated exopolysaccharide derived from Chlorella sp. exhibiting in vitro anti-α-d-Glucosidase activity
A sulfated exopolysaccharide derived from Chlorella sp. exhibiting in vitro anti-α-d-Glucosidase activity Open
View article: EFFECT OF SUN DRYING ON PHYTOCHIMICAL QUALITY ANDANTIOXIDANT ACTIVITY OF FIVE FIG VARIETIES (Ficus caricaL.)FROM NORTH ALGERIA
EFFECT OF SUN DRYING ON PHYTOCHIMICAL QUALITY ANDANTIOXIDANT ACTIVITY OF FIVE FIG VARIETIES (Ficus caricaL.)FROM NORTH ALGERIA Open
The fig has been a typical fruit component of the health-promoting Mediterranean diet for a very long time.Due to its perishable and seasonal aspect, it must be kept in its dry form, which can be obtained by several drying processes, inclu…
View article: Elicitor Activity of Low-Molecular-Weight Alginates Obtained by Oxidative Degradation of Alginates Extracted from Sargassum muticum and Cystoseira myriophylloides
Elicitor Activity of Low-Molecular-Weight Alginates Obtained by Oxidative Degradation of Alginates Extracted from Sargassum muticum and Cystoseira myriophylloides Open
Alginates extracted from two Moroccan brown seaweeds and their derivatives were investigated for their ability to induce phenolic metabolism in the roots and leaves of tomato seedlings. Sodium alginates (ALSM and ALCM) were extracted from …
View article: Antidiabetic potential of mucilage fraction extracted from Astragalus gyzensis seeds
Antidiabetic potential of mucilage fraction extracted from Astragalus gyzensis seeds Open
The objective of the current work is to extract a new mucilage fraction from Astragalus gyzensis Bunge. seeds, which are collected from the El-Oued province (septentrional Algerian Sahara) and evaluated for their antidiabetic pote…
View article: Stimulation des défenses naturelles de la tomate et de l’olivier et induction de la résistance vis-à-vis de la verticilliose par les poly/oligosaccharides d’algues marines des côtes marocaines
Stimulation des défenses naturelles de la tomate et de l’olivier et induction de la résistance vis-à-vis de la verticilliose par les poly/oligosaccharides d’algues marines des côtes marocaines Open
International audience
View article: Polysaccharides from Moroccan Green and Brown Seaweed and Their Derivatives Stimulate Natural Defenses in Olive Tree Leaves
Polysaccharides from Moroccan Green and Brown Seaweed and Their Derivatives Stimulate Natural Defenses in Olive Tree Leaves Open
This study aims to assess for the first time the ability of marine polysaccharides and their derivatives to stimulate natural defenses in olive tree leaves. Alginates, ALSM, and ALCM were isolated from the brown algae Sargassum muticum and…
View article: Bioconversion of the Brown Tunisian Seaweed Halopteris scoparia: Application to Energy
Bioconversion of the Brown Tunisian Seaweed Halopteris scoparia: Application to Energy Open
The brown Tunisian seaweed Halopteris scoparia was used as a feedstock for producing renewable bioethanol, biogas, and biodiesel to demonstrate the proof of concept for the North African energy sector. A quantitative and qualitative quanti…
View article: A Novel Sulfated Glycoprotein Elicitor Extracted from the Moroccan Green Seaweed Codium decorticatum Induces Natural Defenses in Tomato
A Novel Sulfated Glycoprotein Elicitor Extracted from the Moroccan Green Seaweed Codium decorticatum Induces Natural Defenses in Tomato Open
Sulfated glycoproteins extracted for the first time from the Moroccan green seaweed Codium decorticatum were investigated for their ability to induce a natural defense metabolism in the roots and the upper leaves of tomato seedlings. The c…
View article: Pharmacological Investigations in Traditional Utilization of Alhagi maurorum Medik. in Saharan Algeria: In Vitro Study of Anti-Inflammatory and Antihyperglycemic Activities of Water-Soluble Polysaccharides Extracted from the Seeds
Pharmacological Investigations in Traditional Utilization of Alhagi maurorum Medik. in Saharan Algeria: In Vitro Study of Anti-Inflammatory and Antihyperglycemic Activities of Water-Soluble Polysaccharides Extracted from the Seeds Open
The anti-inflammatory and antihyperglycemic effects of polysaccharides extracted from Alhagi maurorum Medik. seeds, spontaneous shrub collected in Southern of Algerian Sahara were investigated. Their water extraction followed by alcoholic …
View article: Ethnobotanical utilization of Alhagi maurorum Medik. in traditional recipes of Algerian Sahara Illizi Wilaya
Ethnobotanical utilization of Alhagi maurorum Medik. in traditional recipes of Algerian Sahara Illizi Wilaya Open
View article: Polysaccharides and Derivatives from Africa to Address and Advance Sustainable Development and Economic Growth in the Next Decade
Polysaccharides and Derivatives from Africa to Address and Advance Sustainable Development and Economic Growth in the Next Decade Open
Polysaccharides are highly variable and complex biomolecules whose inventory of structures is still very incomplete, as nature still preserves unexplored biotopes. Plants, macroalgae and microalgae are an integral part of the daily life of…
View article: Beneficial Health Potential of Algerian Polysaccharides Extracted from Plantago ciliata Desf. (Septentrional Sahara) Leaves and Seeds
Beneficial Health Potential of Algerian Polysaccharides Extracted from Plantago ciliata Desf. (Septentrional Sahara) Leaves and Seeds Open
Today, an ethnobotanical approach makes sense for identifying new active bioactive chemicals from uses of indigenous plants. Two water-soluble enriched polysaccharide fractions (L-PSPN and S-PSPN) were extracted by hot water extraction fro…
View article: Induction of Natural Defenses in Tomato Seedlings by Using Alginate and Oligoalginates Derivatives Extracted from Moroccan Brown Algae
Induction of Natural Defenses in Tomato Seedlings by Using Alginate and Oligoalginates Derivatives Extracted from Moroccan Brown Algae Open
Polysaccharides extracted from marine algae have attracted much attention due to their biotechnological applications, including therapeutics, cosmetics, and mainly in agriculture and horticulture as biostimulants, biofertilizers, and stimu…
View article: Structural features and rheological behavior of a water-soluble polysaccharide extracted from the seeds of Plantago ciliata Desf.
Structural features and rheological behavior of a water-soluble polysaccharide extracted from the seeds of Plantago ciliata Desf. Open
View article: Caractérisation structurale et étude des propriétés physico-chimiques et biologiques de deux polysaccharides extraits des plantes africaines, Plantago notata et Astragalus armatus
Caractérisation structurale et étude des propriétés physico-chimiques et biologiques de deux polysaccharides extraits des plantes africaines, Plantago notata et Astragalus armatus Open
International audience
View article: De l’histoire de l’ethnobotanisme en Afrique vers la découverte de nouvelles sources de polysaccharides actifs
De l’histoire de l’ethnobotanisme en Afrique vers la découverte de nouvelles sources de polysaccharides actifs Open
International audience
View article: Bioactive polysaccharides from African terrestrial plants: the importance of ethnobotany
Bioactive polysaccharides from African terrestrial plants: the importance of ethnobotany Open
International audience
View article: Activités biologiques des extraits aqueux de Pergularia tomentosa L. (Asclepiadaceae)
Activités biologiques des extraits aqueux de Pergularia tomentosa L. (Asclepiadaceae) Open
Cherif R., A. Kemassi, Z. Boual, N. Bouziane, F. Benbrahim, A. Hadjseyd, T. Gharib, A. Ould el Hadj-Khelil, M.L. Sakeur et M.D. Ould el Hadj. 2016. Biological activity of aqueous extracts of Pergularia tomentosa L. (Asclepiadaceae). Lebane…
View article: Chemical Characterization and Prebiotic Effect of Water-Soluble Polysaccharides from Zizyphus lotus Leaves
Chemical Characterization and Prebiotic Effect of Water-Soluble Polysaccharides from Zizyphus lotus Leaves Open
In order to investigate the prebiotic potential of\noligosaccharides prepared by chemical hydrolysis of water-soluble\npolysaccharides (WSP) from Zizyphus lotus leaves, the effect of\noligosaccharides on bacterial growth was studied. The c…