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Podetti C, Riveros-Gomez M, Román MC, Zalazar-García D, Fabani MP, Mazza G, Rodríguez R. Polyphenol-Enriched Pectin from Pomegranate Peel: Multi-Objective Optimization of the Eco-Friendly Extraction Process. Molecules 2023; 28:7656. [PMID: 38005378 PMCID: PMC10675440 DOI: 10.3390/molecules28227656] [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: 09/22/2023] [Revised: 11/05/2023] [Accepted: 11/16/2023] [Indexed: 11/26/2023] Open
Abstract
A multi-objective optimization was performed using response surface methodology to obtain a high-value-added product, pectin enriched in polyphenols, from pomegranate peel. For this purpose, a green extraction technique that combines citric acid and ultrasound was carried out considering three variables: time, pH, and temperature. The extraction procedure was optimized using the Box-Behnken design, these being the most suitable conditions, with an extraction time of 34.16 min, a pH of 2.2, and a temperature of 89.87 °C. At this point, the pectin yield was 31.89%, with a total retained polyphenol content of 15.84 mg GAE/g pectin. In addition, the water activity, ash content, equivalent weight, methoxyl content, and degree of esterification were determined for the pectin obtained at the optimal point. This study demonstrates that polyphenol-enriched pectin can be obtained from pomegranate peel via an eco-friendly and efficient method, and that it presents similar properties to commercial pectin, preserving its quality and with potential use as an ingredient or food supplement with a high nutritional value. This work contributes to developing sustainable strategies to valorize pomegranate agro-industrial waste and produce high-value functional ingredients.
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Affiliation(s)
- Celina Podetti
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
| | - Mathias Riveros-Gomez
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
| | - María Celia Román
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
| | - Daniela Zalazar-García
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
| | - María Paula Fabani
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
- Instituto de Biotecnología, Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina
| | - Germán Mazza
- Instituto de Investigación y Desarrollo en Ingeniería de Procesos, Biotecnología y Energías Alternativas, PROBIEN (Consejo Nacional de Investigaciones Científicas y Técnicas—CONICET and Universidad Nacional del Comahue) Buenos Aires 1400, Neuquén 8300, Argentina
| | - Rosa Rodríguez
- Instituto de Ingeniería Química, Grupo Vinculado al PROBIEN (CONICET-UNCo), Facultad de Ingeniería, Universidad Nacional de San Juan, Av. Libertador San Martín (Oeste) 1109, San Juan 5400, Argentina; (C.P.); (M.R.-G.); (M.C.R.); (D.Z.-G.); (M.P.F.); (R.R.)
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Deng H, Xu W, Zhang D, Li X, Shi J. Recent Advances in Application of Polyoxometalates in Lignocellulose Pretreatment and Transformation. Polymers (Basel) 2023; 15:polym15102401. [PMID: 37242976 DOI: 10.3390/polym15102401] [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: 03/30/2023] [Revised: 05/16/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Lignocellulose, composed of cellulose, hemicellulose, and lignin, holds immense promise as a renewable resource for the production of sustainable chemicals and fuels. Unlocking the full potential of lignocellulose requires efficient pretreatment strategies. In this comprehensive review, efforts were taken to survey the latest developments in polyoxometalates (POMs)-assisted pretreatment and conversion of lignocellulosic biomass. An outstanding finding highlighted in this review is that the deformation of the cellulose structure from I to II accompanied by the removal of xylan/lignin through the synergistic effect of ionic liquids (ILs) and POMs resulted in a significant increase in glucose yield and improved cellulose digestibility. Furthermore, successful integration of POMs with deep eutectic solvents (DES) or γ-valerolactone/water (GVL/water) systems has demonstrated efficient lignin removal, opening avenues for advanced biomass utilization. This review not only presents the key findings and novel approaches in POMs-based pretreatment but also addresses the current challenges and prospects for large-scale industrial implementation. By offering a comprehensive assessment of the progress in this field, this review serves as a valuable resource for researchers and industry professionals aiming to harness the potential of lignocellulosic biomass for sustainable chemical and fuel production.
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Affiliation(s)
- Haoyu Deng
- Key Laboratory of Wooden Materials Science and Engineering of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
| | - Wenbiao Xu
- Key Laboratory of Wooden Materials Science and Engineering of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
- Key Laboratory of Biomass Materials Science and Technology of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
| | - Dan Zhang
- Key Laboratory of Biomass Materials Science and Technology of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
| | - Xiangyu Li
- Collaborative Innovation Center of Forest Biomass Green Manufacturing of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
| | - Junyou Shi
- Key Laboratory of Wooden Materials Science and Engineering of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
- Key Laboratory of Biomass Materials Science and Technology of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
- Collaborative Innovation Center of Forest Biomass Green Manufacturing of Jilin Province, Beihua University, Binjiang East Road, Jilin 132013, China
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Chang Y, He F, Wang T, Aisa HA. Structure and biomedical applications of bioactive polyphenols from food and fruits. J FOOD PROCESS PRES 2022. [DOI: 10.1111/jfpp.16789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Yuyin Chang
- China‐UK Low Carbon College Shanghai Jiao Tong University Shanghai PR China
| | - Fei He
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi Xinjiang PR China
| | - Tianfu Wang
- China‐UK Low Carbon College Shanghai Jiao Tong University Shanghai PR China
- School of Environmental Science and Engineering Shanghai Jiao Tong University Shanghai PR China
| | - Haji Akber Aisa
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi Xinjiang PR China
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Zhou H, Lin W, Chen C, Liu C, Wu J, Wang J, Fu J. Anchoring Effect of Organosilanes on Hierarchical ZSM-5 Zeolite for Catalytic Fast Pyrolysis of Cellulose to Aromatics. ACS OMEGA 2022; 7:15870-15879. [PMID: 35571774 PMCID: PMC9097197 DOI: 10.1021/acsomega.2c00983] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 04/15/2022] [Indexed: 06/15/2023]
Abstract
As an essential chemical feedstock, aromatics can be obtained from biomass by catalytic fast pyrolysis (CFP) technology, in which diffusion limitation is still a problem. In this study, several ZSM-5 zeolites with intercrystal stacking macropores were synthesized by adding organosilanes (OSAs) with different alkyl chain groups. Due to the structure-directing effect of the OSA, the prepared ZSM-5 zeolites possess a larger external surface area and pore volume than Blank-Z5. Moreover, the pore size is related to the extent of anchoring of the OSA and silicon-aluminum species in the zeolite precursor. Pyridine Fourier transform infrared (Py-FTIR) and NH3-temperature-programmed desorption (TPD) analyses show that the obtained ZSM-5 zeolites have a higher Brønsted acidity and total number of acid sites. In addition, excessive addition of OSA is not conducive to the growth of ZSM-5 zeolites. The catalytic performance of the synthesized ZSM-5 zeolites was evaluated by Py-GC/MS. The larger external surface area and pore volume improve the accessibility of the acid sites and thus promote the conversion of biomass into aromatics.
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Affiliation(s)
- Huan Zhou
- Key
Laboratory of Biomass Chemical Engineering of Ministry of Education,
College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Wenwen Lin
- Key
Laboratory of Biomass Chemical Engineering of Ministry of Education,
College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
| | - Chao Chen
- Key
Laboratory of Biomass Chemical Engineering of Ministry of Education,
College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Institute
of Zhejiang University—Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
| | - Chuang Liu
- State
Key Laboratory of Green Chemical Engineering and Industrial Catalysis, Sinopec Shanghai Research Institute of Petrochemical
Technology, 1658 North Pudong Road, Shanghai 201208, China
| | - Jianghua Wu
- Institute
of Zhejiang University—Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
| | - Jianghao Wang
- Institute
of Zhejiang University—Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
| | - Jie Fu
- Key
Laboratory of Biomass Chemical Engineering of Ministry of Education,
College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China
- Institute
of Zhejiang University—Quzhou, 78 Jiuhua Boulevard North, Quzhou 324000, China
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Rodríguez G JE, Brojanigo S, Basaglia M, Favaro L, Casella S. Efficient production of polyhydroxybutyrate from slaughterhouse waste using a recombinant strain of Cupriavidus necator DSM 545. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 794:148754. [PMID: 34225137 DOI: 10.1016/j.scitotenv.2021.148754] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/23/2021] [Accepted: 06/25/2021] [Indexed: 06/13/2023]
Abstract
Slaughterhouse residues are greatly available and can pose a threat to the environment if not disposed of correctly. Such by-products can be proficiently processed into polyhydroxyalkanoates by accurately selected and developed bacterial strains. Cupriavidus necator DSM 545, one of the most efficient polyhydroxyalkanoates-producing strain, cannot grow well on fatty substrates. In this work, a recombinant lipolytic C. necator microbe was developed for the efficient conversion of slaughtering by-products into polyhydroxyalkanoates. Two lipase sequences, lipC and lipH of Pseudomonas stutzeri BT3, were effectively expressed in C. necator DSM 545. The engineered strain C. necator DSM 545 JR11, selected for the outstanding extracellular lipolytic activity, produced high levels of polyhydroxyalkanoates (nearly 65% of cell dry mass) from udder, jowl and membrane caul fat. This research is crucial to the cost-effective one-step processing of slaughterhouse waste into polyhydroxyalkanoates with useful applications in several industrial and medical sectors.
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Affiliation(s)
- Jesús E Rodríguez G
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020 Legnaro, PD, Italy.
| | - Silvia Brojanigo
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020 Legnaro, PD, Italy.
| | - Marina Basaglia
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020 Legnaro, PD, Italy.
| | - Lorenzo Favaro
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020 Legnaro, PD, Italy.
| | - Sergio Casella
- Department of Agronomy Food Natural Resources Animals and Environment (DAFNAE), University of Padova, Agripolis, Viale dell'Università 16, 35020 Legnaro, PD, Italy.
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