Browsing by Author "Chamkha, Mohamed"
Now showing items 1-17 of 17
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Anaerobic Digestion of Olive MillWastewater and Process Derivatives—Biomethane Potential, Operation of a Continuous Fixed Bed Digester, and Germination Index
Pluschke, Jonas; Faßlrinner, Katharina; Hadrich, fatma; Loukil, Slim; Chamkha, Mohamed; Geißen, Sven-Uwe; Sayadi, Sami... more authors ... less authors ( MDPI , 2023 , Article)Olive mill wastewater (OMW) management is an economic and environmental challenge for olive oil-producing countries. The recovery of components with high added value, such as antioxidants, is a highly researched approach ... -
Biochar from olive mill solid waste as an eco-friendly adsorbent for the removal of polyphenols from olive mill wastewater
Nozha, Abid; Masmoudi, Mohamed Ali; Megdiche, Marwa; Barakat, Abdellatif; Ellouze, Mariam; Chamkha, Mohamed; Ksibi, Mohamed; Sayadi, Sami... more authors ... less authors ( Elsevier , 2022 , Article)In Tunisia, olive mill waste water (OMW) is discharged into evaporation ponds where they turn into solid waste (OMSW) and become a serious threat to the environment. This paper addresses for the first time how to valorize ... -
Comparative study of the effect of oleuropein and hydroxytyrosol rich extracts on the reproductive toxicity induced by bisphenol A in male rats: biochemical, histopathological, and molecular analyses
Mahmoudi, Asma; Hadrich, Fatma; Bouallagui, Zouhaier; Feki, Ines; Ghorbel, Hela; Ayadi, Lobna; Chamkha, Mohamed; Sayadi, Sami... more authors ... less authors ( Springer , 2023 , Article)Bisphenol A, or BPA, goes into the composition of a large number of products including sunglasses, infant’s feeding bottles, receipts, or food packaging. Nowadays, there is a growing evidence that BPA may be at the origin ... -
Effects of microplastics’ physical and chemical properties on aquatic organisms: State-of-the-art and future research trends
Khawla, chouchene; da Costa, Joao Pinto; Chamkha, Mohamed; Ksibi, Mohamed; Sayadi, Sami ( Elsevier , 2023 , Article)Microplastics (MPs) pose a global threat to marine ecosystems, little is known about the factors that influence their bioavailability. Microplastics have the ability to adsorb contaminants from the environment, as well as ... -
Hepatoprotective Effect of Oleuropein-Rich Extract from Olive Leaves against Cadmium-Induced Toxicity in Mice
Jemai, Hedya; Mahmoudi, Asma; Feryeni, Anwar; Fki, Ines; Bouallagui, Zouhaier; Choura, Sirine; Chamkha, Mohamed; Sayadi, Sami... more authors ... less authors ( Hindawi , 2020 , Article)Cadmium (Cd) is a harmful pollutant which mainly affects the liver and kidney. In this work, we investigated the hepatoprotective effects of olive leaf extract based on oleuropein against hepatic cadmium toxicity in mice. ... -
Investigation on the effect of several parameters involved in the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) under various seawater environments
Sarra N., Dimassi; Hahladakis, John N.; Chamkha, Mohamed; Ahmad, Mohammad I.; Al-Ghouti, Mohammad A.; Sayadi, Sami... more authors ... less authors ( Elsevier , 2024 , Article)This work investigates the biodegradation of polyethylene (PE) and low-density polyethylene (LDPE) and the leaching of their harmful additives. Micro/macro-plastics of both types were subjected to different laboratory-controlled ... -
Isolation and characterization of a newly naphthalene degrading Halomonas pacifica, strain Cnaph3: biodegradation and biosurfactant production studies
Cheffi, Meriam; Hentati, Dorra; Chebbi, Alif; Mhiri, Najla; Sayadi, Sami; Marques, Ana Maria; Chamkha, Mohamed... more authors ... less authors ( Springer Verlag , 2020 , Article)A newly marine Halomonas pacifica strain Cnaph3 was isolated, as a naphthalene degrader and biosurfactant producer, from contaminated seawater collected in Ataya's fishing harbor, located in Kerkennah Islands, Tunisia. ... -
A jojoba (Simmondsia chinensis) seed cake extracts express hepatoprotective activity against paracetamol-induced toxicity in rats
Firas, Feki; Mahmoudi, Asma; Denev, Petko; Feki, Ines; Ognyanov, Manol; Georgiev, Yordan; Choura, Sirine; Chamkha, Mohamed; Trendafilova, Antoaneta; Sayadi, Sami... more authors ... less authors ( Elsevier , 2022 , Article)This study aimed to investigate the hepatoprotective activity of jojoba seed cake extracts against an acute paracetamol (PC) intoxication. Two aqueous extracts from jojoba (Simmondsia chinensis) seed cake, a simmondsin-rich ... -
Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment
Firas, Feki; Cherif, Maroua; Masmoudi, Mohamed Ali; Chamkha, Mohamed; Saadaoui, Imen; Das, Probir; Sayadi, Sami... more authors ... less authors ( Elsevier , 2023 , Article)Tetraselmis sp. microalgae biomass co-digestion with frying oil residue was investigated without or with an ultrasonication pretreatment to enhance methane production. Interestingly, compared to untreated Tetraselmis ... -
A novel bioprocess combining anaerobic co-digestion followed by ultra-filtration and microalgae culture for optimal olive mill wastewater treatment
Raida, Karray; Elloumi, Wièm; Ben Ali, Rihab; Loukil, Slim; Chamkha, Mohamed; Karray, Fatma; Sayadi, Sami... more authors ... less authors ( Elsevier , 2022 , Article)Treatment of olive mill wastewater (OMW) has received considerable research globally due to its influence on the technical, economic, and environmental sustainability of wastewater biogas production. This work presents a ... -
Olive oil by‑product’s contribution to the recovery of phenolic compounds from microalgal biomass: biochemical characterization, anti‑melanogenesis potential, and neuroprotective effect
Maalej, Amina; Dahmen, Ines Ben Moussa; Karray, Fatma; Chamkha, Mohamed; Sayadi, Sami ( Springer , 2022 , Article)Recently, the use of microalgae in the treatment of olive mill wastewater as a safe method for reducing pollutants has gained more attention. However, the contribution of such by-product to the improvement of the pharmacological ... -
Optimizing the Extraction Conditions of Hydroxytyrosol from Olive Leaves Using a Modified Spherical Activated Carbon: A New Experimental Design
Hadrich, Fatma; Geißen, Sven-Uwe; Chamkha, Mohamed; Sayadi, Sami ( Hindawi , 2022 , Article)The purification of hydroxytyrosol from olive leaves extract by modified activated carbon was studied experimentally in a batch system and a column by adsorption and desorption processes. The extraction yield reached 90% ... -
Pistacia lentiscus by-product as a promising source of phenolic compounds and carotenoids: Purification, biological potential and binding properties
Amina, Maalej; Elloumi, Wiem; Angelov, Ivan; Kardaleva, Proletina; Dimitrov, Vladimir; Chamkha, Mohamed; Guncheva, Maya; Sayadi, Sami... more authors ... less authors ( Elsevier , 2021 , Article)The hydro-distilled leaves of Pistacia lentiscus are considered as an agricultural residue and of no commercial value yet. In this study, chromatographic purification of a methanolic fraction of P. lentiscus L. (lentisk) ... -
Pistacia lentiscus L. Distilled Leaves as a Potential Cosmeceutical Ingredient: Phytochemical Characterization, Transdermal Diffusion, and Anti‐Elastase and Anti‐Tyrosinase Activities
Elloumi, Wiem; Maalej, Amina; Ortiz, Sergio; Michel, Sylvie; Chamkha, Mohamed; Boutefnouchet, Sabrina; Sayadi, Sami... more authors ... less authors ( MDPI , 2022 , Article)The present work was performed to investigate the phenolic composition of P. lentiscus L. distilled leaves (PDL) and examine its potential against certain key enzymes related to skin aging. High‐pressure liquid chromatography ... -
Protective effect of olive leaves phenolic compounds against neurodegenerative disorders: Promising alternative for Alzheimer and Parkinson diseases modulation
Fatma, Hadrich; Chamkha, Mohamed; Sayadi, Sami ( Elsevier , 2022 , Article)The main objective of this work was to review literature on compounds extracted from olive tree leaves, such as simple phenols (hydroxytyrosol) and flavonoids (Apigenin, apigenin-7-O-glucoside, luteolin.) and their diverse ... -
Trends in microalgal-based systems as a promising concept for emerging contaminants and mineral salt recovery from municipal wastewater
Ines, Zribi; Zili, Fatma; Ben Ali, Rihab; Masmoudi, Mohamed Ali; Karray, Fatma; Sayadi, Sami; Ben Ouada, Hatem; Chamkha, Mohamed... more authors ... less authors ( Elsevier , 2023 , Article Review)In the context of climate change leading to water scarcity for many people in the world, the treatment of municipal wastewater becomes a necessity. However, the reuse of this water requires secondary and tertiary treatment ... -
Wound healing potential of quercetin-3-O-rhamnoside and myricetin-3-O-rhamnoside isolated from Pistacia lentiscus distilled leaves in rats model
Elloumi, Wiem; Mahmoudi, Asma; Ortiz, Sergio; Boutefnouchet, Sabrina; Chamkha, Mohamed; Sayadi, Sami... more authors ... less authors ( Elsevier , 2022 , Article)The development of bioproducts able to accelerate wound healing is an important topic in biomedicine. In the current study, Pistacia lentiscus distilled leaves (PDL) extract and its two isolated glycosylated flavonoids, ...