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Mehdi Y, Mutlaq A, Al-Balas Q, Azzi E, Bouadjela L, Taïbi N, Dakiche H, Touati L, Boudriche L, Bachari K. Physicochemical characterization and determination of chloramphenicol residues and heavy metals in Algerian honeys. Environ Sci Pollut Res Int 2018; 25:33322-33333. [PMID: 30259321 DOI: 10.1007/s11356-018-3241-2] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Accepted: 09/13/2018] [Indexed: 06/08/2023]
Abstract
The concentration of certain heavy metals in various foods (fruits, cereals, legumes, and bee products) produced in industrial and urban cities is increasing each year following industrial development. Quality of honey and its contamination by different polluting agents are related essentially to its production environment, or it can arise from beekeeping practices. In the present study, the determination of physicochemical properties: moisture, pH, total acidity, electric conductivity, hydroxymethylfurfural (HMF), sugars, and chloramphenicol (CAP) residues; the metal content by determination of two toxic metals levels: lead (Pb) and cadmium (Cd); and other trace elements: magnesium (Mg), iron (Fe), zinc (Zn), copper (Cu), and nickel (Ni) in 23 different honey samples collected from North regions of Algeria were investigated. The physicochemical properties and the metal contents were found within the ranges established by the international standards. For the antibiotic residues, only four honey samples are contaminated by CAP. Metals were found in non-significant values and are in safety baseline levels for human consumption except Mg which exceed the limits. These results suggested that honey could be used as an indicator to detect contaminating agents from the environment since bees are excellent sentinels for assessing environmental contamination because of their physiological and biological characteristics.
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Affiliation(s)
- Yamina Mehdi
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria.
- Department of Biology, Institute of Sciences, Nour El-Bachir University Center, El-Bayadh, Algeria.
- Biotoxicology laboratory, University of Djillali Liabbès, Sidi Bel Abbes, Algeria.
| | - Ashraf Mutlaq
- Pharmaceutical Research Center, Jordan University of Science and Technology, Irbid, Jordan
| | - Qosay Al-Balas
- Department of Medicinal Chemistry and Pharmacognosy, Jordan University of Science and Technology, Irbid, Jordan
| | - Elhanafi Azzi
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Lamia Bouadjela
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Nadia Taïbi
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Hadjira Dakiche
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Lounis Touati
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Lilya Boudriche
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
| | - Khaldoun Bachari
- Centre de Recherche Scientifique et Technique en Analyses Physico-chimiques (C.R.A.P.C), BP 384, Zone industrielle de Bou-Ismail, RP42004 w., Tipaza, Algeria
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Mebrek S, Djeghim H, Mehdi Y, Meghezzi A, Anwar S, Ali Awadh NA, Benali M. Antioxidant, anti-cholinesterase, anti-α-glucosidase and prebiotic properties of beta-glucan extracted from Algerian barley. ACTA ACUST UNITED AC 2018. [DOI: 10.5138/09750185.2229] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
<p>Beta-glucan, such as barley-derived beta-glucan (BBG), are homopolysaccharides that have attracted attention by their nutritional and therapeutic properties. The aim of this study was to evaluate the antioxidant power of BBG extracted from local Algerian variety of barley (SAIDA 183), and its acetylcholinesterase, alpha glucosidase inhibitory activity as well as its prebiotic potential by fermentation with lactic acid bacteria isolated from camel’s milk, namely <em>lactococcuslactisssplactis</em> (Lc.l.l) and <em>leuconostocmesenteroidesspmesenteroides</em> (Ln.m.m). The results revealed that BBG exhibited low activity against DPPH and ferric-reducing power (IC<sub>50</sub> 4018.61 ± 656.69 and A<sub>0.5 </sub>at 359.88 ±63.64 µg/mL respectively), in contrast to other antioxidant tests (ABTS, Beta-carotene and CUPRAC) where BBG demonstrated a moderate activity (IC<sub>50</sub> 529.91 ±26.37, IC<sub>50</sub> 161.013±13.322, A<sub>0.5 </sub>529.79 ± 48.65 µg/mL). The scavenging ability of hydroxyl radical and superoxide radical by BBG with an IC<sub>50</sub> at 2268.38±101.57 µg/mL and IC<sub>50</sub> 345.26± 62.32 µg/mL, respectively, while enzymatic inhibition by BBG exhibited for AChE at IC<sub>50</sub> 859.164 ±64.46 μg/mL , BChE at IC<sub>50</sub> at 725.470 ±30.95 , α-Amylase inhibitory activity at IC<sub>50</sub> 2986.785 ± 37.046 . The bacterial growth of the two strains used in this study is favorably affected by the use of BBG as the only carbon source, in comparison with glucose as a control. In light of these findings, it can be concluded that BBG have shown moderate antioxidant and enzyme inhibitory activities and can be used as a prebiotic by acting synergistically with probiotics in functional food matrices.</p>
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