Faculté des Sciences de la Nature et de la Vie: Recent submissions

Now showing items 1-20 of 568

AP-04: Aspergillus niveus Protease as coagulant agent. Extraction and characterization of milk clotting activity

BENCHIHEUB, Meriem; BELAHMADI, Mohamed Seddik Oussama; BRAMKI, Amina; BENKAHOUL, Malika; KACEM CHAOUCHE, Noureddine (université frères mentouri constantine1, 2023-10-05)

Subject description: In the cheese industry, aspartyl proteases are used as a coagulating agent and rennet was the first to be used. It is an enzyme extracted from the stomach of young ruminants. Indeed, it is relatively ...
AP-03: Valorization of tomato wastes in a solid stat fermentation for protease production by new Algerian fungal isolates

BELMESSIKH, Aicha; BENKAHOUL, Malika (université frères mentouri constantine1, 2023-10-05)

Agro-industrial wastes are of increasing interest due to their potential applications as cheap substrates for production of bioactive compounds. To obtain valuable new products, new microbial strains have been screened ...
AP-02: Enhancing Mechanical and Thermal Performance of PLA Biopolymer through Innovative PBS Blendin

BELOUFA, Abdelmounaim; BERRAYH, Abdelkader; ARABECHE, Khadidja; HAMOUNI, Mohammed; Zennaki, ASSIA; Sidi Mohamed, Sidi Mohamed (université frères mentouri constantine1, 2023-10-05)

Plastics are ubiquitous in our daily lives, and unfortunately, they have also made their way into our natural environment. Their chemical stability, or lack thereof, is a significant concern. Biodegradable polymers ...
AP-01: Insect visitors of checkpea (Cicer arietinum): comparison of quantitative and qualitative interactions of the plant with its main pollinators

ABDERREZAK, Sirine; AGUIB, Sihem; BENACHOUR, Karima; BAKIRI, Esma (université frères mentouri constantine1, 2023-10-05)

An inventory of insects visiting Checkpea (Cicer arietinum) flowers was established during three years (2021) in a plot in the Constantine region (Baaraouia). Four orders of insects were recorded on the flowers: Hymenoptera, ...
AO-16: Study of Camel Milk Coagulation Induced by Cardosins: Enzymes Purified from Wild Cardoon Flowers

ZIKIOU, Abdellah; SACI, Fairouz; FIALA, Samah; HADJADJ, Nasreddine (université frères mentouri constantine1, 2023-10-05)

Subject description: Camel milk transformation poses significant challenges due to its unique composition and perceived difficulties in coagulation. This research explores the feasibility of coagulating camel milk using ...
AO-15: Comparative study of the chemical and biological aspects of spend coffee grounds recovered by the filtration and decoction methods

TENIOU, Fatima El Batoul; AGGOUN, Moufida; BENAHMED, Chaima; BELKHAIRI, Chahinez; AMOKRANE, Serine; BENSOUICI, Chawki; ARHAB, Rabah (université frères mentouri constantine1, 2023-10-05)

Subject description: Two types of coffee grounds has been studied; the first type was extracted by pressure, while the second was obtained by decoction. Objectives: The aim of our work is to compare the recovered ground ...
AO-14: Insects oil a promising ingredient for cosmetic formulations: Fatty acid profile, antioxidant and antibacterial activity of pressed Locusta migratoria oil

TEBIB, Nacira; ACHEUK, Fatma (université frères mentouri constantine1, 2023-10-05)

Subject description: Edible insects represent an interesting alternative source of proteins and lipids for human and animal consumption and have the potential to play a significant role in a circular economy to meet ...
AO-13: Phenolic Compounds of algae (Ulva lactuca): Optimization of extraction by response surface methodology and in vitro antioxidant properties

CAID, Rachida; CHAALAL, Makhlouf; YDJEDD, Siham; CHEBOUT, Afaf; LAOUABDIA SELLAMI, Nadjette1 (université frères mentouri constantine1, 2023-10-05)

Subject description: Seaweeds are a rich source of natural antioxidants with potent antioxidant properties. While the one-factor method has limitations in optimizing the phenolic extract, the use of developed mathematical ...
AO-12: Biofertilizer Production for Sustainable Agriculture: A Biotechnological and Ecological Perspective

BAHA, Nassima; BEHAIRI, Sabrina; BEKKAYE, Massakib; KACI, Yahia (université frères mentouri constantine1, 2023-10-05)

The industrialization of agriculture through excessive mechanization and the massive, irrational use of chemical inputs (chemical fertilizers and plant protection products) has led to a significant increase in agricultural ...
AO-11: Phytochemical Screening And Recovery Of Sigoise Table Olive Brine Water

MOHAMADI, Nadia; BOUAZIZ, Mohamed (université frères mentouri constantine1, 2023-10-05)

Subject description: The table olives industry produces an immense wastewater volume, and its characteristics have revealed elevated organics and polyphenol concentrations which are harmful to the environment. Objectives: ...
AO-10: Hydrolytic enzymes production using solid state fermentation

LEGHLIMI, Hind; LABBANI, Fatima Zohra Kenza; BOUKHALFA-LEZZAR, Hayet (université frères mentouri constantine1, 2023-10-05)

Subject description: In this study, hydrolase enzymes (alpha-amylase, cellulase, and protease) production from Trichoderma longibrachiatum by solid fermentation was evaluated. Objectives: The present work focuses on ...
AO-09: The effect of ammonium acetate on the productivity of lysine by an auxotrophic mutant of corynebacteruim glutamicum homoserine (-)

GUEMRA, Imane; BOUDECHICHA, Hiba- Ryma; TRAD KHOUDJA, Djamel (université frères mentouri constantine1, 2023-10-05)

Subject description: Amongst the main global food crops, many cereal species have a relatively low concentration of the essential amino acid lysine. Many countries, try to develop new sources of proteins and that by ...
AO-08: Effect of extraction conditions on the recovery of phenolic compounds and the in vitro antioxidant activity of algae (Ulva lactuca) extracts

DIF, Mohammed-Tahar; CHAALAL, Makhlouf; YDJEDD, Siham; CHEBOUT, Afaf; LAOUABDIA SELLAMI, Nadjette (université frères mentouri constantine1, 2023-10-05)

Subject description: The procedure for the extraction of total polyphenols is influenced by several parameters such as the chemical nature of these compounds, the appropriate extraction method, the solvent used, particle ...
AO-07: Enriching essential Oils with Linalyl Acetate using bio-acylation of Linalool

CHAIBRASSOU, Naouel; ZEROR, Saoussen; KILANI-MORAKCHI, Samira; MERABET KHELASSI, Mounia; SIFI, Karima (université frères mentouri constantine1, 2023-10-05)

Subject description: The essential oils of Lavender (Lavandula angustifolia) and Tropical Basil (Ocimum basilicum) are characteristically high in both linalool and linalyl acetate esters, key constituents determining ...
AO-06: Assessment of the antioxidant potential, physicochemical stabilities, and sensory Analysis of mayonnaise enriched with algae (Ulva lactuca) phenolic extracts

CHAALAL, Makhlouf; YDJEDD, Siham; CHEBOUT, Affaf (université frères mentouri constantine1, 2023-10-05)

Subject description: The seaweed extracts, abundant in compounds with well-documented antioxidant properties, are increasingly utilized as natural food additives in the food production industry. Objectives: This ...
AO-05: Technological Applications of Fungal Protease Produced by Solid State Fermentation on Tomato waste

BOUKHALFA LEZZAR, Hayet; BENKAHOUL, Malika; LEGHLIMI, Hind; BENCHIHEUB, Meriem; MECHAKRA MAZA, Aicha; COPINET, Estelle; DUCHIRON, Francis (université frères mentouri constantine1, 2023-10-05)

Agro-industrial residues are rich in organic matter. This makes such wastes very appropriate for transformation by biotechnological processes. Among these, the solid-state fermentation (SSF) have renewed interest ...
AO-04: Development of gluten-free couscous with rice-legumes supplementation

BOUDOUIRA, Nassira; YUKSEL, Ayşe Nur; BAYRAM, Mustafa; BENATALLAH, Leila; ZIDOUNE, Mohammed Nasreddine (université frères mentouri constantine1, 2023-10-05)

Couscous is a traditional cereal product usually prepared using semolina; however, couscous may be produced with different flours as well as gluten-free flours. In this study, gluten-free couscous was prepared by ...
AO-03: Exploring Plant Extracts for Uric Acid Dissolution : Potential for Gout Treatment

BOUAKKAZ, Hicham; LASSAKEUR, Zakaria; MAHFOUDI, Reguia; DJERIDANE, Amar; YOUSFI, Mohamed (université frères mentouri constantine1, 2023-10-05)

Subject description: The subject of the study revolves around the historical use of natural products in traditional medicine for treating various diseases and health conditions. The focus is on exploring the bioactive ...
AO-02: Kinetics of production of a neutral protease by Aspergillus oryzae Ahlburg (Cohen) 1042.72 on optimized medium based on orange waste

BENKAHOUL, Malika; BOUKHALFA, Hayet; BELMESSIKH, Aicha; BENCHIHEUB, Meriem (université frères mentouri constantine1, 2023-10-05)

Subject description: In order to improve the conduct of fermentation in enzyme manufacturing processes, it is essential to realize the kinetics of growth of the microorganism and the kinetics of production of the enzyme ...
AO-01: Biodégradation du phénol dans des conditions hypersalines par la souche Archée halophile Haloarcula sp. D21

SADAOUI-SMADHI, Nesrine; KHEMILI-TALBI, Souad; KEBBOUCHE-GANA, Salima; AKMOUSSI-TOUMI, Sihem (université frères mentouri constantine1, 2023-10-05)

Le phénol est un composé aromatique toxique utilisé ou produit dans de nombreuses industries et, par conséquent, un composant courant des eaux usées industrielles. Les eaux usées contenant du phénol sont souvent ...

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