1
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Mouffok A, Boublia A, Bellouche D, Zed SD, Tabhirt N, Alam M, Ernst B, Benguerba Y. Investigating the synergistic effects of apple vinegar and deep eutectic solvent as natural antibiotics: an experimental and COSMO-RS analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-22. [PMID: 38965904 DOI: 10.1080/09603123.2024.2370391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Accepted: 06/17/2024] [Indexed: 07/06/2024]
Abstract
The present investigation examines the antimicrobial and antifungal characteristics of natural deep eutectic solvents (NADES) and apple vinegar in relation to a diverse array of bacterial and fungal strains. The clinical bacterial strains, including gram-negative and gram-positive, and the fungal pathogen Candida albicans, were subjected to solid medium diffusion to determine the inhibitory effects of these compounds. The results show that NADES has superior antimicrobial and antifungal action compared to apple vinegar. The observed inhibitory zones for apple vinegar and NADES varied in length from 16.5 to 24.2 and 16 to 52.5 mm, respectively. The results obtained indicate that no synergy is observed for this mixture (50% AV + 50% NADES). The range of values for bactericidal concentrations (MBC) and minimal inhibitory concentrations (MIC) was 0.0125 to 0.2 and 0.0125 to 0.4 µl/ml, respectively. Antibacterial and antifungal chemicals may be found in apple vinegar and NADES, with NADES offering environmentally safe substitutes for traditional antibiotics. Additional investigation is suggested to refine these compounds for a wide range of bacteria, which could create antimicrobial solutions that are both highly effective and specifically targeted, thereby offering extensive potential in medicine and the environment.
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Affiliation(s)
- Abdenacer Mouffok
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Abir Boublia
- Laboratoire de Physico-Chimie des Hauts Polymères (LPCHP), Département de Génie des Procédés, Faculté de Technologie, Université Ferhat ABBAS Sétif-1, Sétif, Algeria
| | - Djedjiga Bellouche
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Siadj Dounia Zed
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Narimen Tabhirt
- Laboratory of Applied Microbiology, Department of Microbiology, Faculty of Nature and Life Sciences, Ferhat Abbas University-Setif 1, Setif, Algeria
| | - Manawwer Alam
- Department of Chemistry, College of Science, King Saud University, Riyadh, Saudi Arabia
| | | | - Yacine Benguerba
- Laboratoire de Biopharmacie Et Pharmacotechnie (LPBT), Ferhat ABBAS University of Setif, Setif, Algeria
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2
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Feng S, Deng G, Liu H, Shi H, Li P, Li X, Chen T, Zhou L, Yuan M, Ding C. Extraction and identification of polyphenol from Camellia oleifera leaves using tailor-made deep eutectic solvents based on COSMO-RS design. Food Chem 2024; 444:138473. [PMID: 38330599 DOI: 10.1016/j.foodchem.2024.138473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Revised: 01/06/2024] [Accepted: 01/15/2024] [Indexed: 02/10/2024]
Abstract
Camellia oleifera leaf is a rich source of polyphenols. In this study, 50 polyphenolic compounds from C. oleifera leaves was identified by UHPLC-Q-TOF-MS/MS. Accordingly, COSMO-RS was used in the design of deep eutectic solvents (DESs) to extract those polyphenols. 17 types of choline chloride (ChCl)-based DESs molecules (ChCl-acid, ChCl-sugar, ChCl-alcohol, ChCl-amine and amide) were synthetized into virtual cluster molecules with Materials Studio software. They were used to determine the activity coefficients with the standard compounds. The results showed that the amine and amide-based DESs exhibited outstanding dissolution effects. Additionally, ChCl-acetamide was selected as the solvent in response surface methodology to optimize the ultrasound-assisted DES extraction process parameters, including ultrasonic power, ultrasonic time, and liquid-solid ratio, resulting in an improved total phenolic content of 131.63 ± 0.85 mg GAE/g. This study developed a system utilizing UHPLC-Q-TOF-MS/MS to acquire specific substances required for COSMO-RS calculations.
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Affiliation(s)
- Shiling Feng
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
| | - Guanfeng Deng
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Huanyao Liu
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Haiqiu Shi
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Pingjin Li
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Xiao Li
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Tao Chen
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Lijun Zhou
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Ming Yuan
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China
| | - Chunbang Ding
- College of Life Science, Sichuan Agricultural University, Ya'an 625014, China.
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Molnar M, Jakovljević Kovač M, Pavić V. A Comprehensive Analysis of Diversity, Structure, Biosynthesis and Extraction of Biologically Active Tannins from Various Plant-Based Materials Using Deep Eutectic Solvents. Molecules 2024; 29:2615. [PMID: 38893491 PMCID: PMC11173854 DOI: 10.3390/molecules29112615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/27/2024] [Accepted: 05/30/2024] [Indexed: 06/21/2024] Open
Abstract
This paper explores the emerging subject of extracting tannins from various plant sources using deep eutectic solvents (DESs). Tannins are widely used in the food and feed industries as they have outstanding antioxidant qualities and greatly enhance the flavor and nutritional content of a wide range of food products. Organic solvents are frequently used in traditional extraction techniques, which raises questions about their safety for human health and the environment. DESs present a prospective substitute because of their low toxicity, adaptability, and environmental friendliness. The fundamental ideas supporting the application of DESs in the extraction of tannins from a range of plant-based materials frequently used in daily life are all well covered in this paper. Furthermore, this paper covers the impact of extraction parameters on the yield of extracted tannins, as well as possible obstacles and directions for future research in this emerging subject. This includes challenges such as high viscosity, intricated recovery of compounds, thermal degradation, and the occurrence of esterification. An extensive summary of the diversity, structure, biosynthesis, distribution, and roles of tannins in plants is given in this paper. Additionally, this paper thoroughly examines various bioactivities of tannins and their metabolites.
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Affiliation(s)
- Maja Molnar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Martina Jakovljević Kovač
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, F. Kuhača 18, 31000 Osijek, Croatia; (M.M.); (M.J.K.)
| | - Valentina Pavić
- Department of Biology, Josip Juraj Strossmayer University of Osijek, Cara Hadrijana 8/A, 31000 Osijek, Croatia
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4
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Teniente SL, Esparza-González SC, Ascacio-Valdés JA, Campos-Múzquiz LG, Nery-Flores SD, Onofre-Rentería K, Rodríguez-Herrera R. Antiproliferative and cytotoxic effects of polyphenols from pomegranate peel and coffee pulp on cancer cells. Nat Prod Res 2024:1-7. [PMID: 38315566 DOI: 10.1080/14786419.2024.2310669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 01/21/2024] [Indexed: 02/07/2024]
Abstract
Pomegranate peel (PP) and coffee pulp (CP) are by-products of the food industry that can cause environmental pollution if not handled adequately. These by-products contain a significant amount of polyphenolic compounds which have antioxidant and possibly anticancer properties. We investigated the antiproliferative and cytotoxic activities of polyphenols from PP, CP and a 50-50% mixture of both against HeLa, A549, MDA-MB and Hek-293 cells. The total phenolic content of the PP and CP extracts was determined by high performance liquid chromatography/electrospray ionisation/mass spectrometry, and the antiproliferative and cytotoxic potentials were evaluated by MTT (3- (4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide) and Lactate Dehydogenase assays, respectively. Results showed antiproliferative and cytotoxic effects of polyphenols from PP and CP when administered at different concentrations or mixtures on HeLa, A549 and MDA-MB cells. No significant antiproliferative effects were observed on Hek-293 cells treated under similar conditions. These results suggest the potential of PP and CP polyphenols, individually or in combination, to modulate biological mechanisms involved in cervical, breast and lung cancer.
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Affiliation(s)
- Sandra Lucía Teniente
- Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, México
| | | | | | | | | | - Karen Onofre-Rentería
- Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, México
| | - Raúl Rodríguez-Herrera
- Food Research Department, School of Chemistry, Universidad Autónoma de Coahuila, Saltillo, México
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5
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Kim HJ, Yoon KY. Optimization of ultrasound-assisted deep eutectic solvent extraction of bioactive compounds from pomegranate peel using response surface methodology. Food Sci Biotechnol 2023; 32:1851-1860. [PMID: 37781052 PMCID: PMC10541360 DOI: 10.1007/s10068-023-01298-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 03/02/2023] [Accepted: 03/13/2023] [Indexed: 04/07/2023] Open
Abstract
The efficient extraction of polyphenols from pomegranate peels using a deep eutectic solvent (DES) and ultrasound-assisted extraction (UAE) was investigated. A Box-Behnken design was used to investigate the effects of four independent variables (water content, liquid-to-solid ratio, ultrasonic power, and extraction time) on total polyphenol content (TPC), punicalagin content (PC), and ellagic acid content (EC). Optimized DES-based UAE conditions were as follows: TPC (water content, 29.30%; liquid-to-solid ratio, 53.50 mL/g; ultrasonic power, 238.20 W; extraction time, 29.50 min), PC (water content, 25.65%; liquid-to-solid ratio, 44.20 mL/g; ultrasonic power, 120 W; extraction time, 20 min), and EC (water content, 33.13%; liquid-to-solid ratio, 60 mL/g; ultrasonic power, 300 W; extraction time, 20 min). Under these optimal conditions, the experimental values for TPC, PC, and EC were 67.50 mg GAE/g, 130.65 mg/g, and 2.04 mg/g, respectively; these values were consistent with the predicted values.
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Affiliation(s)
- Hae Jin Kim
- Department of Food and Nutrition, Yeungnam University, Gyeongsan, 38541 South Korea
| | - Kyung Young Yoon
- Department of Food and Nutrition, Yeungnam University, Gyeongsan, 38541 South Korea
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6
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Zhou M, Fakayode OA, Li H. Green Extraction of Polyphenols via Deep Eutectic Solvents and Assisted Technologies from Agri-Food By-Products. Molecules 2023; 28:6852. [PMID: 37836694 PMCID: PMC10574355 DOI: 10.3390/molecules28196852] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 09/26/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
Polyphenols are the largest group of phytochemicals with important biological properties. Their presence in conveniently available low-cost sources, such as agri-food by-products, has gained considerable attention in their recovery and further exploitation. Retrieving polyphenols in a green and sustainable way is crucial. Recently, deep eutectic solvents (DESs) have been identified as a safe and environmentally benign medium capable of extracting polyphenols efficiently. This review encompasses the current knowledge and applications of DESs and assisted technologies to extract polyphenols from agri-food by-products. Particular attention has been paid to fundamental mechanisms and potential applications in the food, cosmetic, and pharmaceutical industries. In this way, DESs and DESs-assisted with advanced techniques offer promising opportunities to recover polyphenols from agri-food by-products efficiently, contributing to a circular and sustainable economy.
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Affiliation(s)
- Man Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (O.A.F.)
| | - Olugbenga Abiola Fakayode
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (O.A.F.)
- Department of Mechanical Engineering, University of Alberta, Edmonton, AB T6G 2R3, Canada
| | - Haoxin Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, China; (O.A.F.)
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7
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Saravana PS, Ummat V, Bourke P, Tiwari BK. Emerging green cell disruption techniques to obtain valuable compounds from macro and microalgae: a review. Crit Rev Biotechnol 2023; 43:904-919. [PMID: 35786238 DOI: 10.1080/07388551.2022.2089869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 05/06/2022] [Accepted: 05/18/2022] [Indexed: 11/03/2022]
Abstract
In the modern era, macro-microalgae attract a strong interest across scientific disciplines, owing to the wide application of these cost-effective valuable bioresources in food, fuel, nutraceuticals, and pharmaceuticals etc. The practice of eco-friendly extraction techniques has led scientists to create alternative processes to the conventional methods, to enhance the extraction of the key valuable compounds from macro-microalgae. This review narrates the possible use of novel cell disruption techniques, including use of ionic liquid, deep eutectic solvent, surfactant, switchable solvents, high voltage electrical discharge, explosive decompression, compressional-puffing, plasma, and ozonation, which can enable the recovery of value added substances from macro-microalgae, complying with the principles of green chemistry and sustainability. The above-mentioned innovative techniques are reviewed with respect to their working principles, benefits, and possible applications for macro-microalgae bioactive compound recovery and biofuel. The benefits of these techniques compared to conventional extraction methods include shorter extraction time, improved yield, and reduced cost. Furthermore, various combinations of these innovative technologies are used for the extraction of thermolabile bioactive compounds. The challenges and prospects of the innovative extraction processes for the forthcoming improvement of environmentally and cost-effective macro-microalgal biorefineries are also explained in this review.
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Affiliation(s)
- Periaswamy Sivagnanam Saravana
- Department of Food Chemistry and Technology, Teagasc Food Research Centre, Dublin, Ireland
- School of Biosystems and Food Engineering, University College Dublin, Dublin, Ireland
| | - Viruja Ummat
- Department of Food Chemistry and Technology, Teagasc Food Research Centre, Dublin, Ireland
- School of Biosystems and Food Engineering, University College Dublin, Dublin, Ireland
| | - Paula Bourke
- School of Biosystems and Food Engineering, University College Dublin, Dublin, Ireland
| | - Brijesh K Tiwari
- Department of Food Chemistry and Technology, Teagasc Food Research Centre, Dublin, Ireland
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8
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Soares Mateus AR, Barros S, Pena A, Sanches-Silva A. The potential of citrus by-products in the development of functional food and active packaging. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 107:41-90. [PMID: 37898542 DOI: 10.1016/bs.afnr.2023.06.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
Abstract
Food by-product valorization has become an important research area for promoting the sustainability of the food chain. Citrus fruits are among the most widely cultivated fruit crops worldwide. Citrus by-products, including pomace, seeds, and peels (flavedo and albedo), are produced in large amounts each year. Those by-products have an important economic value due to the high content on bioactive compounds, namely phenolic compounds and carotenoids, and are considered a valuable bio-resource for potential applications in the food industry. However, green extraction techniques are required to ensure their sustainability. This chapter addresses the main components of citrus by-products and their recent applications in food products and active food packaging, towards a circular economy. In addition, the concern regarding citrus by-products contamination (e.g. with pesticides residues and mycotoxins) is also discussed.
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Affiliation(s)
- Ana Rita Soares Mateus
- National Institute of Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lagidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal; University of Coimbra, Pharmacy Faculty, Polo III, Azinhaga de Stª Comba, Coimbra, Portugal; LAQV, REQUIMTE, Food Science and Pharmacology Laboratory, University of Coimbra, Pharmacy Faculty, Polo III, Azinhaga de Stª Comba, Coimbra, Portugal; Animal Science Studies Centre (CECA), ICETA, University of Porto, Apartado, Porto, Portugal
| | - Silvia Barros
- National Institute of Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lagidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal
| | - Angelina Pena
- National Institute of Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lagidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal; LAQV, REQUIMTE, Food Science and Pharmacology Laboratory, University of Coimbra, Pharmacy Faculty, Polo III, Azinhaga de Stª Comba, Coimbra, Portugal
| | - Ana Sanches-Silva
- National Institute of Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lagidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal; University of Coimbra, Pharmacy Faculty, Polo III, Azinhaga de Stª Comba, Coimbra, Portugal; Animal Science Studies Centre (CECA), ICETA, University of Porto, Apartado, Porto, Portugal.
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9
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Hammoud M, Rajha HN, Chokr A, Safi C, van den Broek LAM, van Erven G, Maroun RG, Debs E, Rammal H, Louka N. Chemical Composition and Biological Activities of Centranthus longiflorus Stems Extracts Recovered Using Ired-Irrad®, an Innovative Infrared Technology, Compared to Water Bath and Ultrasound. Life (Basel) 2023; 13:1288. [PMID: 37374071 DOI: 10.3390/life13061288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Extraction of polyphenols from Centranthus longiflorus stems was conducted using ultrasound and infrared Ired-Irrad® techniques, and compared to the conventional water bath method. Response surface methodology was used to analyse the effect of time, temperature, and ethanol percentage, as well as to optimize the three extraction methods. The highest phenolic content (81 mg GAE/g DM) and antioxidant activity (76% DPPH inhibition) were recorded with the Ired-Irrad® extract obtained under the optimal conditions: 55 °C, 127 min, 48% (v/v) ethanol. Biological activities (antioxidant, antibacterial and antibiofilm) of the three extracts were assessed. All C. longiflorus stems extracts showed limited antibacterial effects regardless of the extraction method (MIC = 50 mg/mL), whereas Ired-Irrad® extract exhibited the highest biofilm eradication and prevention capacities (93% against Escherichia coli and 97% against Staphylococcus epidermidis, respectively). This bioactivity is likely related to abundant caffeoylquinic acid and quercetin rutinoside, as identified by RP-UHPLC-PDA-MS analysis. The results obtained further promote the effectiveness of Ired-Irrad® as a highly flexible and cost-efficient extraction technique.
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Affiliation(s)
- Mariam Hammoud
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, CST-Mar Roukos-Dekwaneh, Riad El Solh, P.O. Box 1514, Beirut 1107 2050, Lebanon
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadath Campus, P.O. Box 5, Beirut 1683, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadath Campus, P.O. Box 6573/14, Beirut 1683, Lebanon
| | - Hiba N Rajha
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, CST-Mar Roukos-Dekwaneh, Riad El Solh, P.O. Box 1514, Beirut 1107 2050, Lebanon
- Ecole Supérieure d'Ingénieurs de Beyrouth (ESIB), Université Saint-Joseph de Beyrouth, CST-Mar Roukos-Dekwaneh, Riad El Solh, P.O. Box 1514, Beirut 1107 2050, Lebanon
| | - Ali Chokr
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadath Campus, P.O. Box 5, Beirut 1683, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadath Campus, P.O. Box 6573/14, Beirut 1683, Lebanon
| | - Carl Safi
- Wageningen Food & Biobased Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | | | - Gijs van Erven
- Wageningen Food & Biobased Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | - Richard G Maroun
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, CST-Mar Roukos-Dekwaneh, Riad El Solh, P.O. Box 1514, Beirut 1107 2050, Lebanon
| | - Espérance Debs
- Department of Biology, Faculty of Arts and Sciences, University of Balamand, P.O. Box 100, Tripoli 1300, Lebanon
| | - Hassan Rammal
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadath Campus, P.O. Box 5, Beirut 1683, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadath Campus, P.O. Box 6573/14, Beirut 1683, Lebanon
| | - Nicolas Louka
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, CST-Mar Roukos-Dekwaneh, Riad El Solh, P.O. Box 1514, Beirut 1107 2050, Lebanon
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10
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Pulsed light, microwave, and infrared treatments of jaggery: Comparing the microbial decontamination and other quality attributes. Food Control 2023. [DOI: 10.1016/j.foodcont.2023.109695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2023]
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11
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Anticancer Effect of Pomegranate Peel Polyphenols against Cervical Cancer. Antioxidants (Basel) 2023; 12:antiox12010127. [PMID: 36670990 PMCID: PMC9854619 DOI: 10.3390/antiox12010127] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/28/2022] [Accepted: 01/03/2023] [Indexed: 01/06/2023] Open
Abstract
Polyphenols are a broad group of bioactive phytochemicals with powerful antioxidant, anti-inflammatory, immunomodulatory, and antiviral activities. Numerous studies have demonstrated that polyphenol extracts obtained from natural sources can be used for the prevention and treatment of cancer. Pomegranate peel extract is an excellent source of polyphenols, such as punicalagin, punicalin, ellagic acid, and caffeic acid, among others. These phenolic compounds have antineoplastic activity in in vitro models of cervical cancer through the regulation of cellular redox balance, induction of apoptosis, cell cycle arrest, and modulation of different signaling pathways. The current review summarizes recent data from scientific reports that address the anticancer activity of the predominant polyphenol compounds present in PPE and their different mechanisms of action in cervical cancer models.
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12
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Rashid R, Mohd Wani S, Manzoor S, Masoodi F, Masarat Dar M. Green extraction of bioactive compounds from apple pomace by ultrasound assisted natural deep eutectic solvent extraction: Optimisation, comparison and bioactivity. Food Chem 2023; 398:133871. [DOI: 10.1016/j.foodchem.2022.133871] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Revised: 07/19/2022] [Accepted: 08/04/2022] [Indexed: 01/08/2023]
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13
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Mouffok A, Bellouche D, Debbous I, Anane A, Khoualdia Y, Boublia A, Darwish AS, Lemaoui T, Benguerba Y. Synergy of Garlic Extract and Deep Eutectic Solvents as Promising Natural Antibiotics: Experimental and COSMO-RS. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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14
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Green Extraction of Polyphenols from Waste Bentonite to Produce Functional Antioxidant Excipients for Cosmetic and Pharmaceutical Purposes: A Waste-to-Market Approach. Antioxidants (Basel) 2022; 11:antiox11122493. [PMID: 36552701 PMCID: PMC9774313 DOI: 10.3390/antiox11122493] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
In an ever-growing perspective of circular economy, the development of conscious, sustainable and environmental-friendly strategies to recycle the waste products is the key point. The scope of this work was to validate the waste bentonite from the grape processing industries as a precious matrix to extract polyphenols by applying a waste-to-market approach aimed at producing novel functional excipients. The waste bentonite was recovered after the fining process and opportunely pre-treated. Subsequently, both the freeze dried and the so-called "wet" bentonites were subjected to maceration. PEG200 and Propylene Glycol were selected as solvents due to their ability to dissolve polyphenols and their wide use in the cosmetic/pharmaceutical field. The extracts were evaluated in terms of yield, density, pH after water-dilution, total phenolic (Folin-Ciocalteu) and protein (Bradford) contents, antioxidant power (DPPH), amount of some representative polyphenols (HPLC-DAD), cytocompatibility and stability. Both solvents validated the bentonite as a valuable source of polyphenols and led to colored fluids characterized by an acidic pH after water-dilution. The best extract was obtained from the wet bentonite with PEG200 and highlighted the highest phenolic content and consequently the strongest antioxidant activity. Additionally, it displayed proliferative properties and resulted almost stable over time. Hence, it might be directly used as polyphenols-enriched functional novel raw material for cosmetic and pharmaceutics purposes.
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Valanciene E, Malys N. Advances in Production of Hydroxycinnamoyl-Quinic Acids: From Natural Sources to Biotechnology. Antioxidants (Basel) 2022; 11:antiox11122427. [PMID: 36552635 PMCID: PMC9774772 DOI: 10.3390/antiox11122427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/29/2022] [Accepted: 12/02/2022] [Indexed: 12/13/2022] Open
Abstract
Hydroxycinnamoyl-quinic acids (HCQAs) are polyphenol esters formed of hydroxycinnamic acids and (-)-quinic acid. They are naturally synthesized by plants and some micro-organisms. The ester of caffeic acid and quinic acid, the chlorogenic acid, is an intermediate of lignin biosynthesis. HCQAs are biologically active dietary compounds exhibiting several important therapeutic properties, including antioxidant, antimicrobial, anti-inflammatory, neuroprotective, and other activities. They can also be used in the synthesis of nanoparticles or drugs. However, extraction of these compounds from biomass is a complex process and their synthesis requires costly precursors, limiting the industrial production and availability of a wider variety of HCQAs. The recently emerged production through the bioconversion is still in an early stage of development. In this paper, we discuss existing and potential future strategies for production of HCQAs.
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Affiliation(s)
- Egle Valanciene
- Bioprocess Research Centre, Faculty of Chemical Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania
- Correspondence: (E.V.); (N.M.)
| | - Naglis Malys
- Bioprocess Research Centre, Faculty of Chemical Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania
- Department of Organic Chemistry, Faculty of Chemical Technology, Kaunas University of Technology, Radvilėnų pl. 19, LT-50254 Kaunas, Lithuania
- Correspondence: (E.V.); (N.M.)
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Bharti B, Li H, Ren Z, Zhu R, Zhu Z. Recent advances in sterilization and disinfection technology: A review. CHEMOSPHERE 2022; 308:136404. [PMID: 36165840 DOI: 10.1016/j.chemosphere.2022.136404] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 06/27/2022] [Accepted: 09/07/2022] [Indexed: 06/16/2023]
Abstract
Sterilization and disinfection of pollutants and microorganisms have been extensively studied in order to address the problem of environmental contamination, which is a crucial issue for public health and economics. Various form of hazardous materials/pollutants including microorganisms and harmful gases are released into the environment that enter into the human body either through inhalation, adsorption or ingestion. The human death rate rises due to various respiratory ailments, strokes, lung cancer, and heart disorders related with these pollutants. Hence, it is essential to control the environmental pollution by applying economical and effective sterilization and disinfections techniques to save life. In general, numerous forms of traditional physical and chemical sterilization and disinfection treatments, such as dry and moist heat, radiation, filtration, ethylene oxide, ozone, hydrogen peroxide, etc. are known along with advanced techniques. In this review we summarized both advanced and conventional techniques of sterilization and disinfection along with their uses and mode of action. This review gives the knowledge about the advantages, disadvantages of both the methods comparatively. Despite, the effective solution given by the advanced sterilization and disinfection technology, joint technologies of sterilization and disinfection has proven to be more effective innovation to protect the indoor and outdoor environments.
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Affiliation(s)
- Bandna Bharti
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, PR China.
| | - Hanliang Li
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Zhaoyong Ren
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, PR China
| | - Rongshu Zhu
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China; State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin, 150090, PR China.
| | - Zhenye Zhu
- State Key Laboratory of Urban Water Resource and Environment, Shenzhen Key Laboratory of Organic Pollution Prevention and Control, School of Civil and Environmental Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, PR China.
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17
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Hammoud M, Chokr A, Rajha HN, Safi C, van Walsem M, van den Broek LAM, Debs E, Maroun RG, Louka N, Rammal H. Intensification of Polyphenols Extraction from Eryngium creticum Leaves Using Ired-Irrad® and Evaluation of Antibiofilm and Antibacterial Activities. PLANTS 2022; 11:plants11192458. [PMID: 36235324 PMCID: PMC9572813 DOI: 10.3390/plants11192458] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/05/2022] [Accepted: 09/15/2022] [Indexed: 11/25/2022]
Abstract
(1) Background: Eryngium creticum is a plant medicinally valued, and used in pharmacopeia to treat various diseases. No previous studies have been reported on E. creticum leaf extracts using an IR-assisted technique; thus, this study aimed to intensify polyphenol extraction using Ired-Irrad®, comparing it to the conventional water bath (WB) method. (2) Methods: Optimization of polyphenol extraction from E. creticum leaves was conducted using Response Surface Methodology. Ired-Irrad® was used and compared to the WB method. The biological activities (antiradical, antioxidant, antibacterial, and antibiofilm) of both extracts were assessed. UHPLC analysis was performed to analyze the phytochemical profile of both extracts. (3) Results: Under optimal conditions, IR improved the polyphenol extraction yield by 1.7 times, while lowering ethanol consumption by 1.5 times. Regarding the antibacterial activity, both WB and IR E. creticum leaf extracts exhibited the highest antibacterial activity against Staphylococcus epidermidis. The maximum biofilm prevention capacity was also noticed against S. epidermidis. UHPLC-MS analysis quantified two major phenolic compounds in both extracts: rutin and sinapic acid. (4) Conclusions: Ired-Irrad® technology proved to be an effective technique in intensifying polyphenol recovery, while preserving their quantity and quality.
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Affiliation(s)
- Mariam Hammoud
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadat Campus, P.O. Box 5, Beirut 1683, Lebanon
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, Riad El Solh, P.O. Box 17-5208, Beirut 1104 2020, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadat Campus, P. O. Box 6573/14, Beirut 1683, Lebanon
| | - Ali Chokr
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadat Campus, P.O. Box 5, Beirut 1683, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadat Campus, P. O. Box 6573/14, Beirut 1683, Lebanon
| | - Hiba N. Rajha
- Ecole Supérieure d’Ingénieurs de Beyrouth (ESIB), Université Saint-Joseph de Beyrouth, CST Mkalles Mar Roukos, Riad El Solh, P.O. Box 11-514, Beirut 1107 2050, Lebanon
| | - Carl Safi
- Wageningen Food & Biobased Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
- Correspondence:
| | - Martijn van Walsem
- Wageningen Food & Biobased Research, P.O. Box 17, 6700 AA Wageningen, The Netherlands
| | | | - Espérance Debs
- Department of Biology, Faculty of Arts and Sciences, University of Balamand, P.O. Box 100, Tripoli 1300, Lebanon
| | - Richard G. Maroun
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, Riad El Solh, P.O. Box 17-5208, Beirut 1104 2020, Lebanon
| | - Nicolas Louka
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, Riad El Solh, P.O. Box 17-5208, Beirut 1104 2020, Lebanon
| | - Hassan Rammal
- Research Laboratory of Microbiology (RLM), Department of Life and Earth Sciences, Faculty of Sciences I, Lebanese University, Hadat Campus, P.O. Box 5, Beirut 1683, Lebanon
- Platform of Research and Analysis in Environmental Sciences (PRASE), Doctoral School of Sciences and Technology (DSST), Lebanese University, Hadat Campus, P. O. Box 6573/14, Beirut 1683, Lebanon
- Faculty of Agronomy, Lebanese University, Dekweneh, Beirut 1683, Lebanon
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18
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Barba FJ, Rajha HN, Debs E, Abi-Khattar AM, Khabbaz S, Dar BN, Simirgiotis MJ, Castagnini JM, Maroun RG, Louka N. Optimization of Polyphenols’ Recovery from Purple Corn Cobs Assisted by Infrared Technology and Use of Extracted Anthocyanins as a Natural Colorant in Pickled Turnip. Molecules 2022; 27:molecules27165222. [PMID: 36014470 PMCID: PMC9416142 DOI: 10.3390/molecules27165222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 11/18/2022] Open
Abstract
An ecofriendly extraction technology using infrared (IR) irradiation Ired-Irrad® was applied to purple corn cobs to enhance polyphenol recovery for the first time. The IR extraction efficiency was compared to that of the water bath (WB) method. Response surface methodology (RSM) using a central composite design was conducted to determine the effect of the experimental conditions (extraction time and treatment temperature) and their interactions on the total polyphenol and anthocyanin yields. Optimal extraction of total phenolic compounds (37 mg GAE/g DM) and total monomeric anthocyanins (14 mg C3G/g DM) were obtained at 63 °C for 77 min using IR as an extraction technique and water as a solvent. HPLC revealed that the recovery of peonidin 3-O-glucoside and cyanidin 3-O-glucoside was enhanced by 26% and 34%, respectively, when using IR. Finally, purple corn cobs’ spray-dried extract was proven to be an important natural colorant of pickled turnip. It offers great potential for use as a healthy alternative to the carcinogenic rhodamine B synthetic dye, which was banned.
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Affiliation(s)
- Francisco J. Barba
- Department of Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain
- Correspondence: ; Tel.: +34-963-544-972
| | - Hiba N. Rajha
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
- Ecole Supérieure d’Ingénieurs de Beyrouth (ESIB), Université Saint-Joseph de Beyrouth, CST Mkalles Mar Roukos, Beirut 1107 2050, Lebanon
| | - Espérance Debs
- Department of Biology, Faculty of Arts and Sciences, University of Balamand, P.O. Box 100, Tripoli 1300, Lebanon
| | - Anna-Maria Abi-Khattar
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | - Stéphanie Khabbaz
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | - Basharat Nabi Dar
- Department of Food Technology, Islamic University of Science and Technology, Kashmir 192122, India
| | - Mario J. Simirgiotis
- Institute of Pharmacy, Faculty of Sciences, Universidad Austral de Chile, Elena Haverbeck S-N, Valdivia 5090000, Chile
| | - Juan Manuel Castagnini
- Department of Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine, Faculty of Pharmacy, University of Valencia, 46100 Valencia, Spain
| | - Richard G. Maroun
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | - Nicolas Louka
- Centre d’Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-Alimentaire, Faculté des Sciences, Université Saint-Joseph de Beyrouth, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
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Kalogiouri NP, Palaiologou E, Papadakis EN, Makris DP, Biliaderis CG, Mourtzinos I. Insights on the impact of deep eutectic solvents on the composition of the extracts from lemon (Citrus limon L.) peels analyzed by a novel RP-LC–QTOF-MS/MS method. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-022-04100-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Hernández-Corroto E, Boussetta N, Marina ML, García MC, Vorobiev E. High voltage electrical discharges followed by deep eutectic solvents extraction for the valorization of pomegranate seeds (Punica granatum L.). INNOV FOOD SCI EMERG 2022. [DOI: 10.1016/j.ifset.2022.103055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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21
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McClements DJ, Öztürk B. Utilization of Nanotechnology to Improve the Application and Bioavailability of Phytochemicals Derived from Waste Streams. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6884-6900. [PMID: 33787251 DOI: 10.1021/acs.jafc.1c03020] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Phytochemicals are relatively small molecular species found in edible plants that may exhibit a diverse range of techno- and biofunctional attributes. In particular, there has been great interest in the identification, isolation, and utilization of dietary phytochemicals that can be used as natural pigments, antioxidants, or antimicrobials or that may improve human health and wellbeing by preventing chronic diseases, such as cardiovascular diseases, diabetes, obesity, and cancer. Relatively high levels of these phytochemicals are often present in the waste streams produced by the food and agriculture industry, such as the peels, stems, roots, or leaves of plants, that are normally discarded or turned into animal foods. From an economic and environmental perspective, it would be advantageous to convert these waste streams into value-added functional ingredients, which is consistent with the creation of a more circular economy. Bioactive phytochemicals can be isolated from agricultural and food waste streams using green extraction methods and then incorporated into plant-based functional foods or biodegradable active packaging materials. The utilization of phytochemicals in the food industry is often challenging. They may chemically degrade in the presence of light, heat, oxygen, and some pH conditions, thereby altering their biological activity. They may have low solubility in aqueous solutions and gastrointestinal fluids, thereby making them difficult to introduce into foods and leading to a low bioavailability. These challenges can sometimes be overcome using nanoencapsulation, which involves trapping the phytochemicals inside tiny food-grade particles. These nanoparticles may be assembled from edible lipids, proteins, carbohydrates, and/or surfactants and include nanoemulsions, solid lipid nanoparticles, nanoliposomes, and biopolymer nanoparticles. In this manuscript, we review a number of important phytochemicals and nanoencapsulation methods used to improve their efficacy.
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Affiliation(s)
- David Julian McClements
- Department of Food Science, University of Massachusetts Amherst, Amherst, Massachusetts 01003, United States
- Department of Food Science & Bioengineering, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
| | - Bengü Öztürk
- Department of Food Engineering, Faculty of Engineering, Yeditepe University, Istanbul 34755, Turkey
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22
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Gigliobianco MR, Cortese M, Nannini S, Di Nicolantonio L, Peregrina DV, Lupidi G, Vitali LA, Bocchietto E, Di Martino P, Censi R. Chemical, Antioxidant, and Antimicrobial Properties of the Peel and Male Flower By-Products of Four Varieties of Punica granatum L. Cultivated in the Marche Region for Their Use in Cosmetic Products. Antioxidants (Basel) 2022; 11:antiox11040768. [PMID: 35453453 PMCID: PMC9030693 DOI: 10.3390/antiox11040768] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/09/2022] [Accepted: 04/10/2022] [Indexed: 12/29/2022] Open
Abstract
We are now seeing an increase in the production of agri-food waste, which is an essential resource for the recovery of bioactive compounds that may be employed as innovative natural ingredients in cosmetics. To date, the approach to cosmetics preservation has seen a significant shift in the search for biological components that give healthier alternatives for customers and help businesses operate in an environmentally friendly manner. To achieve this goal, we studied pomegranate extracts using the peel and, for the first time, extracts from the male flowers of a wide pomegranate variety cultivated in the Marche region, specifically, the Wonderful, Mollar de Elche, Parfianka, and less-studied G1 varieties. We studied the phenol compounds profile, antioxidant capacity, antimicrobial activity, and cell viability of the obtained pomegranate extracts. The identification and quantification of phenol compounds belonging to different classes, such as hydrolysable tannins, hydroxybenzoic acid, hydroxycinnamic acid, dihydroflavonol, gallocatechin, and anthocyanins, were performed using UPLC-ESI-MS/MS. Punicalagin isomers and punicalin resulted in the most abundant polyphenols found in the peel and male flower extracts. Mollar de Elche 2020 peel extract revealed a high concentration of punicalagin A and B (7206.4 mg/kg and 5812.9), while the content of gallic acid revealed high results in the G1 and Parfianka varieties. All extracts were spectrophotometrically analysed to determine their total phenol content (TPC) using the Folin–Ciocalteu method and their antioxidant capacity (AC). In terms of the total phenol obtained by the Folin–Ciocalteu colorimetric method, Mollar de Elche 2020 extracts reported the highest TPC content of 12.341 µmol GAE/g. Results revealed that the Mollar de Elche and Wonderful 2020 peel extracts demonstrated the highest TPC and AC. Furthermore, AC results indicated that the peel extracts displayed higher AC than the male flower extract due to the high punicalagin content detected by UPLC analysis. The antimicrobial activity testing revealed that the Wonderful and G1 2020 peel extracts resulted active against Escherichia coli, while all extracts exhibited promising anticandidal activity. Additionally, the cytocompatibility was evaluated in keratinocytes HaCaT cells by testing concentrations of pomegranate extracts ranging from 0.15 to 5.00 mg/mL. Extracts were non-toxic for the cells in the tested concentration range. The acquired results may help exploit pomegranate agri-food waste products provided by the Marche region’s short supply chain for their use as an antimicrobial and antioxidant booster in the formulation of cosmetic products.
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Affiliation(s)
| | - Manuela Cortese
- CHiP Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (M.C.); (L.D.N.); (G.L.); (L.A.V.); (R.C.)
| | - Samanta Nannini
- ABICH Srl, Biological and Chemical Toxicology Research Laboratory, 28924 Verbania, Italy; (S.N.); (E.B.)
| | - Lucrezia Di Nicolantonio
- CHiP Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (M.C.); (L.D.N.); (G.L.); (L.A.V.); (R.C.)
- Recusol Srl, 62032 Camerino, Italy;
| | | | - Giulio Lupidi
- CHiP Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (M.C.); (L.D.N.); (G.L.); (L.A.V.); (R.C.)
| | - Luca Agostino Vitali
- CHiP Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (M.C.); (L.D.N.); (G.L.); (L.A.V.); (R.C.)
| | - Elena Bocchietto
- ABICH Srl, Biological and Chemical Toxicology Research Laboratory, 28924 Verbania, Italy; (S.N.); (E.B.)
| | - Piera Di Martino
- Department of Pharmacy, Università “G. D’Annunzio” Chieti e Pescara, Via dei Vestini, 1, 66100 Chieti, Italy
- Correspondence:
| | - Roberta Censi
- CHiP Research Center, School of Pharmacy, University of Camerino, Via Madonna delle Carceri, 62032 Camerino, Italy; (M.C.); (L.D.N.); (G.L.); (L.A.V.); (R.C.)
- Recusol Srl, 62032 Camerino, Italy;
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23
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Phenolic Compounds Recovery from Pomegranate (Punica granatum L.) By-Products of Pressurized Liquid Extraction. Foods 2022; 11:foods11081070. [PMID: 35454656 PMCID: PMC9024887 DOI: 10.3390/foods11081070] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 03/29/2022] [Accepted: 04/02/2022] [Indexed: 12/22/2022] Open
Abstract
This study aimed to valorize pomegranate by-products (peel and carpelar membranes—PPCM) through their high biological potential for phenolic compounds recovery. The influence of lower temperatures (40 and 60 °C) and pressures (20, 40, 60, 80, and 100 bar) than those generally used in pressurized liquid extraction (PLE) was evaluated through global extraction yield (X0), and qualitative and quantitative composition of the phenolic compounds. Chromatographic techniques were used to analyze the two treatments with the highest X0. Temperature, pressure, and their interaction had a significant influence on X0. The best phenolic compounds extraction conditions were using pressurized ethanol at 60 °C and 40 bar (extract 1—E1, 37% on d.b.) and 60 °C and 80 bar (extract 2—E2, 45% on d.b.). Nevertheless, E1 presented a significantly higher content of α, β punicalagin, and ellagic acid (48 ± 2, 146 ± 11, and 25.6 ± 0.3 mg/100 g, respectively) than E2 (40 ± 2, 126 ± 4, and 22.7 ± 0.3 mg/100 g). Therefore, this study could validate the use of low pressures and temperatures in PLE to recover phenolic compounds from pomegranate residues, making this process more competitive and sustainable for the pomegranate industry.
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Xiang B, Zhou X, Qin D, Li C, Xi J. Infrared assisted extraction of bioactive compounds from plant materials: Current research and future prospect. Food Chem 2022; 371:131192. [PMID: 34592627 DOI: 10.1016/j.foodchem.2021.131192] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Revised: 09/16/2021] [Accepted: 09/16/2021] [Indexed: 01/24/2023]
Abstract
The extraction of bioactive compounds from plant materials has attracted much attention due to their potential therapeutic effects. This article reviews the basic principles, characteristics, and recent applications of infrared assisted extraction (IAE) of bioactive compounds from plant materials. The advantages and disadvantages of IAE are considered, and operation mode and technological improvements, processes, solvents used and other future developments are identified. The review indicated that IAE was a simple, rapid, and cost-effective technique with the capacity for industrial scale application. Future research should focus on energy consumption reduction, green chemistry extraction processes, simplified operation steps, intelligent extraction process, and the establishment of kinetic and thermodynamic models. This article provides a comprehensive understanding of the principles and applications of IAE for the preparation of bioactive compounds, which will be of benefit to researchers and users of the technology.
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Affiliation(s)
- Bing Xiang
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Xin Zhou
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Danyang Qin
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Chenyue Li
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China
| | - Jun Xi
- School of Chemical Engineering, Sichuan University, Chengdu 610065, China.
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25
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Manyatsi TS, Al-Hilphy AR, Majzoobi M, Farahnaky A, Gavahian M. Effects of infrared heating as an emerging thermal technology on physicochemical properties of foods. Crit Rev Food Sci Nutr 2022; 63:6840-6859. [PMID: 35225100 DOI: 10.1080/10408398.2022.2043820] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Infrared (IR) radiation is part of an electromagnetic spectrum between the ultraviolet and microwave regions. IR radiation impacts the surface of the food, generating heat that can be used as an efficient drying technique. Apart from drying, IR heating is an emerging food processing technology with applications in baking, roasting, microbial inactivation, insect control, extraction for antioxidant recovery, peeling, and blanching. Physicochemical properties such as texture, color, hardness, total phenols, and antioxidants capability of foods are essential quality attributes that affect the food quality. In this regard, the main objective of this review study was to highlight and discuss the effects of IR heating on food quality to expand its food applications and commercial adoption. The fundamental mechanisms, type of emitters, and IR processing parameters are discussed in this review to explore their impacts on food quality. Infrared heating has been shown that the appropriate operating conditions (distance, exposure time, IR power, and temperature) with high heat transfer, thus leading to a shorter drying time. Besides, IR heating used in food processing to improve food-surface color and flavor, it also enhances hardness, firmness, shrinkage, crispiness, and viscosity. Meanwhile, antioxidant activity is enhanced, and some nutrients are retained.
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Affiliation(s)
- Thabani Sydney Manyatsi
- Department of Tropical Agriculture and International Cooperation, National Pingtung University of Science and Technology, Pingtung, Taiwan, ROC
| | - Asaad R Al-Hilphy
- Department of Food Science, College of Agriculture, University of Basrah, Basrah, Iraq
| | - Mahsa Majzoobi
- Biosciences and Food Technology, School of Science, RMIT University, Melbourne, VIC, Australia
| | - Asgar Farahnaky
- Biosciences and Food Technology, School of Science, RMIT University, Melbourne, VIC, Australia
| | - Mohsen Gavahian
- Department of Food Science, National Pingtung University of Science and Technology, Pingtung, Taiwan, ROC
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26
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Kovač MJ, Jokić S, Jerković I, Molnar M. Optimization of Deep Eutectic Solvent Extraction of Phenolic Acids and Tannins from Alchemilla vulgaris L. PLANTS (BASEL, SWITZERLAND) 2022; 11:474. [PMID: 35214807 PMCID: PMC8876725 DOI: 10.3390/plants11040474] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/02/2022] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Alchemilla vulgaris L. is a good source of antioxidant components with an emphasis on phenolic acids and tannins. In this study, gallic acid, ellagic acid, and hydrolyzable tannins (HT) were extracted from this plant with different deep eutectic solvents (DESs), varying the amount of added H2O, temperature and extraction time. Seventeen DESs (n = 3) were used for the extraction, of which choline chloride:urea (1:2) proved to be the most suitable. The selection of the best solvent was followed by the examination of the influence of the extraction type and parameters using response surface methodology (RSM). Gallic acid content was in the range of 0.00-1.89 µg mg-1, ellagic acid content was 0.00-12.76 µg mg-1 and hydrolyzable tannin (HT) content was 3.06-181.26 µgTAE mg-1, depending on the used technique and the extraction conditions. According to the results, extraction by stirring and heating was the most suitable since the highest amounts of gallic acid, ellagic acid, and HT were extracted, and the obtained optimal values using response surface methodology (RSM) are confirmed by experimentally obtained values.
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Affiliation(s)
- Martina Jakovljević Kovač
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31000 Osijek, Croatia; (M.J.K.); (S.J.)
| | - Stela Jokić
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31000 Osijek, Croatia; (M.J.K.); (S.J.)
| | - Igor Jerković
- Faculty of Chemistry and Technology, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia
| | - Maja Molnar
- Faculty of Food Technology Osijek, Josip Juraj Strossmayer University of Osijek, Franje Kuhača 18, 31000 Osijek, Croatia; (M.J.K.); (S.J.)
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Xiang Q, Li M, Wen J, Ren F, Yang Z, Jiang X, Chen Y. The bioactivity and applications of pomegranate peel extract: A review. J Food Biochem 2022; 46:e14105. [PMID: 35128669 DOI: 10.1111/jfbc.14105] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 12/13/2022]
Abstract
Pomegranate peel (PP) is a by-product in the processing of pomegranate products, which is usually discarded as a waste. However, a large number of researches have shown that pomegranate peel extract (PPE) is rich in a variety of phenolic substances, among which ellagic acid (EA), as one of the main active components, has significant biological activities, such as anti-oxidation, anti-tumor, anti-inflammatory, neuroprotection, anti-viral, and anti-bacterial. We analyzed the mechanism of EA's biological activity, and discussed its application in the food industry, for instance, food preservation, food additives, and functional foods. Combined with the research status of PPE, we discussed the limitations and development potential of PPE, in order to provide theoretical reference and scientific basis for the development and utilization of pomegranate by-products. PRACTICAL APPLICATIONS: Pomegranate peel (PP), the inedible part of the fruit, is usually treated as waste. In recent years, researchers have been committed to exploring various bioactive ingredients in PP and exploring its potential benefits to human health, which has far-reaching significance. In this paper, the chemical constituents of polyphenols in PP were reviewed, mainly focusing on the biological activity and mechanism of ellagic acid (EA). We reviewed the applications and invention patents of pomegranate peel extract (PPE) in food field, including food preservation, food additive, and functional foods, providing reference for the recycling and reuse of PP.
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Affiliation(s)
- Qiwen Xiang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Meifeng Li
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiayu Wen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Fajian Ren
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhou Yang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xingyue Jiang
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yan Chen
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Saini R, Kumar S, Sharma A, Kumar V, Sharma R, Janghu S, Suthar P. Deep eutectic solvents: The new generation sustainable and safe extraction systems for bioactive compounds in agri food sector: An update. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.16250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Rajni Saini
- Department of Food Science & Technology Punjab Agricultural University Ludhiana India
| | - Satish Kumar
- Department of Food Science & Technology Dr. Y. S. Parmar University of Horticulture and Forestry Solan India
| | - Ajay Sharma
- Department of Chemistry Career Point University Hamirpur India
| | - Vikas Kumar
- Department of Food Science & Technology Punjab Agricultural University Ludhiana India
| | - Rakesh Sharma
- Department of Food Science & Technology Dr. Y. S. Parmar University of Horticulture and Forestry Solan India
| | - Sandeep Janghu
- Department of Food Product Development Indian Institute of Food Processing Technology Thanjavur India
| | - Priyanka Suthar
- Food Technology and Nutrition School of Agriculture Lovely Professional University Phagwara India
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Abstract
The increased demand for conscious, sustainable and beneficial products by the consumers has pushed researchers from both industries and universities worldwide to search for smart strategies capable of reducing the environmental footprint, especially the ones connected with industrial wastes. Among various by-products, generally considered as waste, those obtained by winemaking industries have attracted the attention of a wide variety of companies, other than the vineries. In particular, grape pomaces are considered of interest due to their high content in bioactive molecules, especially phenolic compounds. The latter can be recovered from grape pomace and used as active ingredients in easily marketable cosmetic products. Indeed, phenolic compounds are well known for their remarkable beneficial properties at the skin level, such as antioxidant, antiaging, anti-hyperpigmentation and photoprotective effects. The exploitation of the bioactives contained in grape pomaces to obtain high value cosmetics may support the growing of innovative start-ups and expand the value chain of grapes. This review aims to describe the strategies for recovery of polyphenols from grape pomace, to highlight the beneficial potential of these extracts, both in vitro and in vivo, and their potential utilization as active ingredients in cosmetic products.
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Deep Eutectic Solvents (DESs) as Green Extraction Media of Beneficial Bioactive Phytochemicals. SEPARATIONS 2021. [DOI: 10.3390/separations8100176] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Deep eutectic solvents (DES) are a mixture of two or more components and are classified as ionic solvents with special properties such as low volatility, high solubility, low melting points, low-cost materials and are less toxic to humans. Using DES has been suggested as an eco-friendly, green method for extraction of bioactive compounds from medicinal plants and are a safe alternative for nutritional, pharmaceutical and various sector applications. Conventional solvent extraction methods present drawbacks such as long extraction period, safety issues, harmful to the environment, costly and large volume of solvents required. The extraction method with DES leads to higher extraction yield and better bioactivity results as compared to the conventional solvents. This review provides a summary of research progress regarding the advantages of using DES to extract bioactive compounds such as phenolic acid, flavonoids, isoflavones, catechins, polysaccharides, curcuminoids, proanthocyanidin, phycocyanin, gingerols, ginsenosides, anthocyanin, xanthone, volatile monoterpenes, tannins, lignin, pectin, rutin, tert-butyl hydroquinone, chlorogenic acids, resveratrol and others, as opposed to using conventional solvents. The bioactivity of the extracts is determined using antioxidant, antibacterial and antitumor activities. Hence, DESs are considered potential green media with selective and efficient properties for extracting bioactive ingredients from medicinal plants.
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Skenderidis P, Leontopoulos S, Petrotos K, Mitsagga C, Giavasis I. The In Vitro and In Vivo Synergistic Antimicrobial Activity Assessment of Vacuum Microwave Assisted Aqueous Extracts from Pomegranate and Avocado Fruit Peels and Avocado Seeds Based on a Mixtures Design Model. PLANTS 2021; 10:plants10091757. [PMID: 34579290 PMCID: PMC8471749 DOI: 10.3390/plants10091757] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 08/18/2021] [Accepted: 08/22/2021] [Indexed: 11/30/2022]
Abstract
The present study aimed to assess the antimicrobial properties of encapsulated lyophilized powdered extracts of pomegranate peels (PP), avocado peels (AP) and avocado seeds (AS) in vitro and in vivo. Minimum Inhibitory Concentration (MIC) and Minimal Bactericidal Concentration (MBC) methods, optical density measurement, and well diffusion assay were used to determine antimicrobial activity against food borne bacteria (Gram− Escherichia coli, Salmonella typhimurium, Campylobacter jejuni, Pseudomonas putida), (Gram+ Staphylococcus aureus, Listeria monocytogenes, Clostridium perfringens, Lactobacillus plantarum), and fungi (Penicillium expansum and Aspergillus niger) based on a mixture design model. Additionally, the most effective powder was studied in vivo in yogurt, cream cheese, and minced meat burger. The samples that contained high polyphenol content also exhibited higher antioxidant, antimicrobial, and antifungal activity. From the results of the well diffusion, the MIC/MBC, and the cell optical density assays, the antimicrobial activity of the extracts was found to be correlated to the total phenolic content (TPC) of the samples and the type of the microorganism. The pomegranate peels extract presented the higher TPC and antioxidant activity and constitute the highest percentage in the most active antimicrobial mixture. The powders that were tested in vitro showed microbial type-dependent effects in each food model. The results presented here can be further studied in the large-scale industrial production of natural food preservatives.
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Affiliation(s)
- Prodromos Skenderidis
- Laboratory of Food and Biosystems Engineering, Department of Agrotechnology, University of Thessaly, 41110 Larissa, Greece; (S.L.); (K.P.)
- Correspondence: ; Tel.: +30-6973313565
| | - Stefanos Leontopoulos
- Laboratory of Food and Biosystems Engineering, Department of Agrotechnology, University of Thessaly, 41110 Larissa, Greece; (S.L.); (K.P.)
| | - Konstantinos Petrotos
- Laboratory of Food and Biosystems Engineering, Department of Agrotechnology, University of Thessaly, 41110 Larissa, Greece; (S.L.); (K.P.)
| | - Chrysanthi Mitsagga
- Laboratory of Food Microbiology, Department of Food Technology, University of Thessaly, End of N. Temponera Street, 43100 Karditsa, Greece; (C.M.); (I.G.)
| | - Ioannis Giavasis
- Laboratory of Food Microbiology, Department of Food Technology, University of Thessaly, End of N. Temponera Street, 43100 Karditsa, Greece; (C.M.); (I.G.)
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Chen XQ, Li ZH, Liu LL, Wang H, Yang SH, Zhang JS, Zhang Y. Green extraction using deep eutectic solvents and antioxidant activities of flavonoids from two fruits of Rubia species. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111708] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Zuo J, Geng S, Kong Y, Ma P, Fan Z, Zhang Y, Dong A. Current Progress in Natural Deep Eutectic Solvents for the Extraction of Active Components from Plants. Crit Rev Anal Chem 2021; 53:177-198. [PMID: 34324395 DOI: 10.1080/10408347.2021.1946659] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
In the last decade, natural deep eutectic solvents (NADESs) have gained more and more attention due to their green, convenient preparation, low toxicity and biodegradability. It is widely used in various fields, especially in the extraction of active components from plants, formed by the combination of hydrogen bond donors (HBDs) and hydrogen bond acceptors (HBAs) at a certain condition. In this article, six preparation methods of NADESs were summarized and the interactions that occur in the eutectic behavior of NADES including hydrogen bonding, electrostatic interaction and van der Waals force were also reviewed. What is more, its significant extraction capacity on flavonoids, phenols, alkaloids and plant pigments endows its extensive applications in the extraction of active components from medicinal plants. Extraction factors including solvents properties (viscosity, carbon chain length, number of hydroxyl groups), extraction condition (water content, extraction temperature, extraction time, solid-liquid ratio), extraction method and recycling method were discussed. In addition, NADESs can also be combined with other technologies, like molecular imprinting, monolithic column, to achieve efficient and specific extraction of active ingredients. Further systematic studies on the biodegradability and biotoxicity are put forward to be urgent.
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Affiliation(s)
- Jiale Zuo
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Shuqin Geng
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Yangzhi Kong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Peirong Ma
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Zhaosheng Fan
- Technology Center, Shanghai Tobacco Group Beijing Cigarette Factory Co.,Ltd, Tongzhou Dis, Beijing, China
| | - Yanling Zhang
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
| | - Alideertu Dong
- College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Engineering Research Center of Dairy Products Quality and Safety Control Technology, Ministry of Education, Inner Mongolian University, Hohhot, China
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El-Shamy S, Farag MA. Novel trends in extraction and optimization methods of bioactives recovery from pomegranate fruit biowastes: Valorization purposes for industrial applications. Food Chem 2021; 365:130465. [PMID: 34243129 DOI: 10.1016/j.foodchem.2021.130465] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 12/11/2022]
Abstract
Pomegranate biowastes present potential economic value worldwide owing to their several health benefits mediated by a complex mixture of unique bioactives. The exploitation of these bioactives has motivated the exploration of eco-friendly, efficient, and cost-effective extraction techniques to maximize their recovery. The current review aims to provide updated technical information about bioactives extraction mechanisms from pomegranate wastes (seeds and peel), their advantages and disadvantages, and factors towards optimization. A comparative overview of the modern green extraction techniques viz., supercritical fluid extraction, ultrasound-assisted extraction, microwave-assisted extraction, pressurized liquid extraction, and eutectic solvent mixture as alternatives to conventional extraction methods for seeds and peel is presented. Approaches focused on biowastes modification for properties improvement are also discussed. Such comprehensive review shall provide the best valorization practices of pomegranate biowastes and its application in food and non-food areas focusing on original methods, innovation, protocols, and development to be considered for other fruit biowastes.
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Affiliation(s)
- Sherine El-Shamy
- Pharmacognosy Department, Faculty of Pharmacy, Modern University for Technology & Information, Cairo, Egypt
| | - Mohamed A Farag
- Pharmacognosy Department, Faculty of Pharmacy, Cairo University, Cairo, 11562, Egypt; Chemistry Department, School of Sciences & Engineering, The American University in Cairo, New Cairo 11835, Egypt.
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35
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Physical Properties of Chitosan Films Containing Pomegranate Peel Extracts Obtained by Deep Eutectic Solvents. Foods 2021; 10:foods10061262. [PMID: 34199363 PMCID: PMC8229160 DOI: 10.3390/foods10061262] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 05/27/2021] [Accepted: 05/28/2021] [Indexed: 01/23/2023] Open
Abstract
Pomegranate peel is a byproduct of pomegranate juice production, and is rich in polyphenol compounds. The objective of this study was to investigate the incorporation of pomegranate peel extract in chitosan films. Green deep eutectic solvents (DESs) were used as extraction solvents. Choline chloride (ChCl) and glycerol (Gly) were used as the hydrogen bond acceptor and hydrogen bond donor, respectively; the molar ratio of the DES ingredients, ChCl:Gly, was 1:11. The extraction process was optimized by deploying response surface methodology. Under the optimized conditions, the extraction yield in total polyphenols amounted to 272.98 mg of gallic acid equivalents per g of dry matter and, for total flavonoids, 20.12 mg of quercetin equivalents per g of dry matter, with a liquid to solid ratio of 47 mL g−1, time of 70 min, and 30% (v/v) water concentration in the DES. Afterwards, composite chitosan films were prepared by using five different formulations; the DES containing extract was incorporated as a plasticizer in the chitosan films. Specimens of every recipe were submitted to large deformation tensile testing in Texture Analyzer. Furthermore, water sorption behavior and color parameters of the films were determined.
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Sharma M, Dash KK. Deep eutectic solvent‐based microwave‐assisted extraction of phytochemical compounds from black jamun pulp. J FOOD PROCESS ENG 2021. [DOI: 10.1111/jfpe.13750] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Maanas Sharma
- Department of Food Engineering and Technology Tezpur University Tezpur Assam India
| | - Kshirod K. Dash
- Department of Food Engineering and Technology Tezpur University Tezpur Assam India
- Department of Food Processing Technology Ghani Khan Choudhury Institute of Engineering and Technology Malda West Bengal India
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Technologies and Extraction Methods of Polyphenolic Compounds Derived from Pomegranate (Punica granatum) Peels. A Mini Review. Processes (Basel) 2021. [DOI: 10.3390/pr9020236] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The interest in using plant by-product extracts as functional ingredients is continuously rising due to environmental and financial prospects. The development of new technologies has led to the achievement of aqueous extracts with high bioactivity that is preferable due to organic solvents nonuse. Recently, widely applied and emerging technologies, such as Simple Stirring, Pressure-Applied Extraction, Enzymatic Extraction, Ultrasound-Assisted Extraction, Pulsed Electric Fields, High Hydrostatic Pressure, Ohmic Heating, Microwave Assistant Extraction and the use of “green” solvents such as the deep eutectic solvents, have been investigated in order to contribute to the minimization of disadvantages on the extraction of bioactive compounds. This review is focused on bioactive compounds derived from pomegranate (Punica granatum) peels and highlighted the most attractive extraction methods. It is believed that these findings could be a useful tool for the pomegranate juices industry to apply an effective and economically viable extraction process, transforming a by-product to a high added value functional product.
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Zhang XF, Zhang Q, Xue H, Zhang J, Wang X. A green and highly efficient method of extracting polyphenols from Lilium davidii var. unicolor Salisb using deep eutectic solvents. CHEM ENG COMMUN 2021. [DOI: 10.1080/00986445.2020.1864625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Xi feng Zhang
- School of Life Science and Engineering, Hexi University, Zhangye, Gansu, PR China
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, PR China
| | - Qingting Zhang
- School of Life Science and Engineering, Hexi University, Zhangye, Gansu, PR China
| | - Hui Xue
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, PR China
| | - Ji Zhang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, PR China
| | - Xiaoyun Wang
- College of Life Science, Northwest Normal University, Lanzhou, Gansu, PR China
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Alrugaibah M, Yagiz Y, Gu L. Use natural deep eutectic solvents as efficient green reagents to extract procyanidins and anthocyanins from cranberry pomace and predictive modeling by RSM and artificial neural networking. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117720] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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40
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Ivanović M, Islamčević Razboršek M, Kolar M. Innovative Extraction Techniques Using Deep Eutectic Solvents and Analytical Methods for the Isolation and Characterization of Natural Bioactive Compounds from Plant Material. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1428. [PMID: 33114332 PMCID: PMC7690858 DOI: 10.3390/plants9111428] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 10/19/2020] [Accepted: 10/22/2020] [Indexed: 12/20/2022]
Abstract
The growing interest of the food, pharmaceutical and cosmetics industries in naturally occurring bioactive compounds or secondary plant metabolites also leads to a growing demand for the development of new and more effective analysis and isolation techniques. The extraction of bioactive compounds from plant material has always been a challenge, accompanied by increasingly strict control requirements for the final products and a growing interest in environmental protection. However, great efforts have been made in this direction and today a considerable number of innovative extraction techniques have been developed using green, environmentally friendly solvents. These solvents include the deep eutectic solvents (DES) and their natural equivalents, the natural deep eutectic solvents (NADES). Due to their adjustable physical-chemical properties and their green character, it is expected that DES/NADES could be the most widely used solvents in the future, not only in extraction processes but also in other research areas such as catalysis, electrochemistry or organic synthesis. Consequently, this review provided an up-to-date systematic overview of the use of DES/NADES in combination with innovative extraction techniques for the isolation of bioactive compounds from various plant materials. The topicality of the field was confirmed by a detailed search on the platform WoS (Web of Science), which resulted in more than 100 original research papers on DES/NADES for bioactive compounds in the last three years. Besides the isolation of bioactive compounds from plants, different analytical methods are presented and discussed.
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Affiliation(s)
- Milena Ivanović
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia;
| | - Maša Islamčević Razboršek
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia;
| | - Mitja Kolar
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna Pot 113, SI-1000 Ljubljana, Slovenia
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Extraction, Characterization and Incorporation of Hypericum scruglii Extract in Ad Hoc Formulated Phospholipid Vesicles Designed for the Treatment of Skin Diseases Connected with Oxidative Stress. Pharmaceutics 2020; 12:pharmaceutics12111010. [PMID: 33113923 PMCID: PMC7690748 DOI: 10.3390/pharmaceutics12111010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/17/2020] [Accepted: 10/19/2020] [Indexed: 01/10/2023] Open
Abstract
An extract of Hypericum scruglii, an endangered endemic plant of Sardinia (Italy), was prepared and characterized. It was loaded in special phospholipid vesicles, glycerosomes, which were modified by adding maltodextrin (glucidex) and a polymer (gelatin or hyaluronan). The corresponding liposomes were also prepared and used as reference. The vesicles disclosed suitable physicochemical features for skin delivery. Indeed, their mean diameter ranged from 120 to 160 nm, they were homogeneously dispersed (polydispersity index ≤ 0.30), and their zeta potential was highly negative (~−45 mV). The vesicle dispersions maintained unchanged characteristics during 60 days of storage, were highly biocompatible, and were able to protect keratinocytes against damages due to oxidative stress induced by treating them with hydrogen peroxide. Vesicles were also capable of promoting cell proliferation and migration in vitro by means of a scratch wound assay. The results confirmed the fruitful delivery of the extract of H. scruglii in glycerosomes modified with glucidex and gelatin and their promising ability for skin protection and treatment.
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Saha SK, Chakraborty R. Effect of deep eutectic solvent’s characteristics on extraction and bioactivity of polyphenols from Sapodilla pulp. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01330-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Enzyme-assisted extraction of carotenoids and phenolic compounds from sunflower wastes using green solvents. 3 Biotech 2020; 10:405. [PMID: 32904061 DOI: 10.1007/s13205-020-02393-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 08/12/2020] [Indexed: 12/17/2022] Open
Abstract
The aim of this work is to develop an optimized enzymatic assisted extraction methodology to extract carotenoids and phenolic compounds from sunflower wastes (petals and florets) using natural hydrophobic green solvents. Several natural green hydrophobic solvents were used as well as natural hydrophobic eutectic solvents composed of d,l-menthol and different acids, with different hydrophobicity. The multi-enzyme complex Viscozyme® was used to disrupt the cell wall of petals and disc florets. The extracted carotenoids content into the hydrophobic phase was quantified using UV-Vis spectrophotometry and the carotenoids profile was studied using high-performance liquid and thin layer chromatography. The amount of total sugars in the aqueous phase was also analyzed using the dinitrosalicylic acid (DNS) method to infer about the enzymatic action in cell wall. Phenolic compounds also in the aqueous phase were analyzed by Folin Denis method. The eutectic solvent d,l-menthol:d,l-lactic acid (M:HLac) (1:2) was the best solvent for extraction of carotenoids from sunflower wastes, with 147 ppm of carotenoids extracted, in comparison to 115 ppm obtained with the standard solvent, n-hexane. In what concerns phenolic compounds, M:HLac was again better than the standard solvent. The use of the multi-enzyme complex Viscozyme® had different responses, depending on the solvent tested. For the green solvent M:HLac, the enzyme improved the carotenoids extraction, achieving 335 ppm of carotenoids in the extract. The role of enzyme, solvent, water and sunflower quantity in the carotenoid extraction was evaluated and optimized through a central composite rotatable design (CCRD), using the M:HLac as solvent. According to the analysis of CCRD, the most efficient extractions were carried out using more solvent and less raw material, whose best result reached 1449 mg carotenoids/100 g biomass ppm of carotenoids. This work emphasizes the possibility of developing more sustainable enzyme-assisted separation processes, through the substitution of toxic solvents with natural, environmentally friendly, solvents.
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Environmentally Friendly Methods for Flavonoid Extraction from Plant Material: Impact of Their Operating Conditions on Yield and Antioxidant Properties. ScientificWorldJournal 2020; 2020:6792069. [PMID: 32908461 PMCID: PMC7474796 DOI: 10.1155/2020/6792069] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Revised: 06/20/2020] [Accepted: 07/27/2020] [Indexed: 01/27/2023] Open
Abstract
The flavonoids are compounds synthesized by plants, and they have properties such as antioxidant, anticancer, anti-inflammatory, and antibacterial, among others. One of the most important bioactive properties of flavonoids is their antioxidant effect. Synthetic antioxidants have side toxic effects whilst natural antioxidants, such as flavonoids from natural sources, have relatively low toxicity. Therefore, it is important to incorporate flavonoids derived from natural sources in several products such as foods, cosmetics, and drugs. For this reason, there is currently a need to extract flavonoids from plant resources. In this review are described the most important parameters involved in the extraction of flavonoids by unconventional methods such as ultrasound, pressurized liquid extraction, mechanochemical, high hydrostatic pressure, supercritical fluid, negative pressure cavitation, intensification of vaporization by decompression to the vacuum, microwave, infrared, pulsed electric field, high-voltage electrical discharges, and enzyme-assisted extraction. There are no unified operation conditions to achieve high yields and purity. Notwithstanding, progress has been achieved in the development of more advanced and environmentally friendly methods of extraction. Although in literature are found important advances, a complete understanding of the extraction process in each of the unconventional techniques is needed to determine the thermodynamic and kinetic mechanisms that govern each of the techniques.
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Zannou O, Koca I. Optimization and stabilization of the antioxidant properties from Alkanet (Alkanna tinctoria) with natural deep eutectic solvents. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.06.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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Gullón P, Astray G, Gullón B, Tomasevic I, Lorenzo JM. Pomegranate Peel as Suitable Source of High-Added Value Bioactives: Tailored Functionalized Meat Products. Molecules 2020; 25:E2859. [PMID: 32575814 PMCID: PMC7355679 DOI: 10.3390/molecules25122859] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 06/16/2020] [Accepted: 06/19/2020] [Indexed: 01/02/2023] Open
Abstract
In the last few years, the consumer's concern with the relationship between health and diet has led to the search of foods with functional properties beyond the nutritional. In this framework, the consumption of pomegranate has increased due to their sensorial attributes and remarkable amounts of bioactive compounds, which generate, at the same time, huge amounts of by-products. A search in the Scopus database for the last 10 years has revealed the rising interest in pomegranate peel (PP), the main residue from this fruit. The meat industry is a food sector that has had to search for new alternatives to substitute the use of synthetic preservatives by new natural additives, to extend the self-life and keep the quality attributes of their processed products. This review sets out the main bioactivities of PP extracts, and their incorporation in meat products is elaborated. PP is a good source of bioactive compounds, including phenolic acids, flavonoids and hydrolyzable tannins, which have beneficial health effects. It can be concluded that the reformulation of meat products with PP extracts is a suitable strategy for enhancing their technological characteristics, in addition to conferring functional properties that make them healthier and potentially more acceptable for the consumer.
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Affiliation(s)
- Patricia Gullón
- Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, 32004 Ourense, Spain;
| | - Gonzalo Astray
- Department of Physical Chemistry, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain;
- CITACA, Agri-Food Research and Transfer Cluster, Campus Auga, University of Vigo, 32004 Ourense, Spain
| | - Beatriz Gullón
- Department of Chemical Engineering, Faculty of Science, University of Vigo (Campus Ourense), As Lagoas, 32004 Ourense, Spain;
| | - Igor Tomasevic
- Department of Animal Source Food Technology, University of Belgrade, Faculty of Agriculture, Nemanjina 6, 11080 Belgrade, Serbia;
| | - José M. Lorenzo
- Centro Tecnológico de la Carne de Galicia, Rúa Galicia No 4, Parque Tecnológico de Galicia, San Cibrao das Viñas, 32900 Ourense, Spain
- Área de Tecnología de los Alimentos, Facultad de Ciencias de Ourense, Universidad de Vigo, 32004 Ourense, Spain
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Hernández-Corroto E, Plaza M, Marina ML, García MC. Sustainable extraction of proteins and bioactive substances from pomegranate peel (Punica granatum L.) using pressurized liquids and deep eutectic solvents. INNOV FOOD SCI EMERG 2020. [DOI: 10.1016/j.ifset.2020.102314] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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Aboud SA, Altemimi AB, R. S. Al-HiIphy A, Yi-Chen L, Cacciola F. A Comprehensive Review on Infrared Heating Applications in Food Processing. Molecules 2019; 24:molecules24224125. [PMID: 31731574 PMCID: PMC6891297 DOI: 10.3390/molecules24224125] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 11/11/2019] [Accepted: 11/13/2019] [Indexed: 11/16/2022] Open
Abstract
Infrared (IR) technology is highly energy-efficient, less water-consuming, and environmentally friendly compared to conventional heating. Further, it is also characterized by homogeneity of heating, high heat transfer rate, low heating time, low energy consumption, improved product quality, and food safety. Infrared technology is used in many food manufacturing processes, such as drying, boiling, heating, peeling, polyphenol recovery, freeze-drying, antioxidant recovery, microbiological inhibition, sterilization grains, bread, roasting of food, manufacture of juices, and cooking food. The energy throughput is increased using a combination of microwave heating and IR heating. This combination heats food quickly and eliminates the problem of poor quality. This review provides a theoretical basis for the infrared treatment of food and the interaction of infrared technology with food ingredients. The effect of IR on physico-chemical properties, sensory properties, and nutritional values, as well as the interaction of food components under IR radiation can be discussed as a future food processing option.
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Affiliation(s)
- Salam A. Aboud
- Department of Food Science, College of Agriculture, University of Basrah, Basrah 61004, Iraq; (S.A.A.); (A.R.S.A.-H.)
| | - Ammar B. Altemimi
- Department of Food Science, College of Agriculture, University of Basrah, Basrah 61004, Iraq; (S.A.A.); (A.R.S.A.-H.)
- Correspondence: ; Tel.: +964-773-5640-090
| | - Asaad R. S. Al-HiIphy
- Department of Food Science, College of Agriculture, University of Basrah, Basrah 61004, Iraq; (S.A.A.); (A.R.S.A.-H.)
| | - Lee Yi-Chen
- Department of Plant Soil and Agricultural Systems, Agriculture College, Southern Illinois University, Carbondale, IL 62901, USA;
| | - Francesco Cacciola
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, 98125 Messina, Italy;
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Abi-Khattar AM, Rajha HN, Abdel-Massih RM, Maroun RG, Louka N, Debs E. Intensification of Polyphenol Extraction from Olive Leaves Using Ired-Irrad ®, an Environmentally-Friendly Innovative Technology. Antioxidants (Basel) 2019; 8:antiox8070227. [PMID: 31323872 PMCID: PMC6680986 DOI: 10.3390/antiox8070227] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 07/12/2019] [Accepted: 07/13/2019] [Indexed: 01/03/2023] Open
Abstract
Optimization of infrared-assisted extraction was conducted using Response Surface Methodology (RSM) in order to intensify polyphenol recovery from olive leaves. The extraction efficiency using Ired-Irrad®, a newly-patented infrared apparatus (IR), was compared to water bath (WB) conventional extraction. Under optimal conditions, as suggested by the model and confirmed experimentally, the total phenolic content yield was enhanced by more than 30% using IR as contrasted to WB, which even required 27% more ethanol consumption. High Performance Liquid Chromatography analyses quantified the two major phenolic compounds of the leaves: Oleuropein and hydroxytyrosol, which were both intensified by 18% and 21%, respectively. IR extracts increased the antiradical activity by 25% and the antioxidant capacity by 51% compared to WB extracts. On the other hand, extracts of olive leaves obtained by both techniques exhibited equal effects regarding the inhibition of 20 strains of Staphylococcusaureus, with a minimum inhibitory concentration (MIC) varying between 3.125 and 12.5 mg/mL. Similarly, both extracts inhibited Aflatoxin B1 (AFB1) secretion by Aspergillus flavus, with no growth inhibition of the fungus. Finally, optimization using RSM allowed us to suggest other IR operating conditions aiming at significantly reducing the consumption of energy and solvent, while maintaining similar quantity and quality of phenolic compounds as what is optimally obtained using WB.
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Affiliation(s)
- Anna-Maria Abi-Khattar
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-alimentaire, Faculté des Sciences, Université Saint-Joseph, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | - Hiba N Rajha
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-alimentaire, Faculté des Sciences, Université Saint-Joseph, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | | | - Richard G Maroun
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-alimentaire, Faculté des Sciences, Université Saint-Joseph, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon.
| | - Nicolas Louka
- Centre d'Analyses et de Recherche, Unité de Recherche Technologies et Valorisation Agro-alimentaire, Faculté des Sciences, Université Saint-Joseph, B.P. 17-5208 Riad El Solh, Beirut 1104 2020, Lebanon
| | - Espérance Debs
- Department of Biology, University of Balamand, Tripoli, P. O. Box 100, Lebanon
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