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Zhang S, Chen R, Ding C, Gong T, Sun JJ, Li F, Zhang C, Wang XY, Guo Y, Zhong T, Meng YH. Fabraction of edible bio-nanocomposite coatings from pectin-containing lignocellulosic nanofibers isolated from apple pomace. Int J Biol Macromol 2024; 279:135030. [PMID: 39187108 DOI: 10.1016/j.ijbiomac.2024.135030] [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: 06/20/2024] [Revised: 07/17/2024] [Accepted: 08/22/2024] [Indexed: 08/28/2024]
Abstract
Minimally processed fruits are increasingly demanded in modern society, but the management of perishable waste pomaces (WPs) and the products' short shelf-life are still big issues. Here, a facile approach of reconstruing apple pomace (AP) into edible bio-nanocomposite coatings of fresh-cutting apple slices was successfully developed through alkaline demethylation followed by high-pressure homogenization. The fibrillation of AP fibers is largely improved by -COO- at a concentration of 1.23 mmol g-1, which is released through alkaline demethylation of pectin, instead of relying on intricated or costly cellulose modifications. The average width of AP nanofibers (AP-NFs) downsizes to 18 nm. By casting, AP-NFs fabricate homogeneous films with comparable transparency (56 % at 600 nm), superior mechanical strength (6.4 GPa of Young modulus and 81.7 MPa of strength) and oxygen barrier properties (79 mL μm m-2 day-1 bar-1), and non-toxicity. Moreover, the AP-NF coatings effectively extend shelf life of apple slices by inhibiting browning and respiration, and retain firmness. This research demonstrates a way to valorize WPs as edible coatings for fruit packaging.
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Affiliation(s)
- Shuai Zhang
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China.
| | - Rongqiang Chen
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Chenfeng Ding
- Energy Materials and Surface Sciences Unit (EMSSU), Okinawa Institute of Science and Technology Graduate University (OIST), 1919-1 Tancha Kunigami-gun, Onna-son, Okinawa 904-0495, Japan
| | - Tian Gong
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Jiao Jiao Sun
- School of electronic engineering, Xi'an university of posts & telecommunications, 618 West Changan Avenue, Changan, Xi'an 710121, PR China
| | - Fengchen Li
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Chaoqun Zhang
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Xiao Yu Wang
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Yurong Guo
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China
| | - Tuhua Zhong
- Institute of New Bamboo and Rattan Based Biomaterials, International Center for Bamboo and Rattan, Beijing 100102, PR China
| | - Yong Hong Meng
- The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, National Research & Development Center of Apple Processing Technology, College of Food Engineering and Nutritional Science, Shaanxi Normal University, 620 West Changan Avenue, Changan, Xi'an 710119, PR China.
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2
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Margellou AG, Psochia EA, Torofias SA, Pappa CP, Triantafyllidis KS. Isolation of Highly Crystalline Cellulose via Combined Pretreatment/Fractionation and Extraction Procedures within a Biorefinery Concept. ACS SUSTAINABLE RESOURCE MANAGEMENT 2024; 1:1432-1443. [PMID: 39081538 PMCID: PMC11285807 DOI: 10.1021/acssusresmgt.4c00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 06/07/2024] [Accepted: 06/07/2024] [Indexed: 08/02/2024]
Abstract
Sustainable production of bio-based materials and chemicals requires integrated approaches which utilize all fractions of lignocellulosic biomass. In this work, highly crystalline cellulose was isolated via combined pretreatment/fractionation and extraction processes from beechwood sawdust. The proposed approach was based on the selective recovery of hemicellulose components in the first step, followed by enhanced delignification in the second step, permitting the efficient recovery of the remaining cellulose via bleaching in the final step. Hydrothermal pretreatment under tailored conditions in neat water or dilute acid resulted in almost complete hemicellulose removal (80-96 wt %) in the liquid fraction. In the second step, the formed surface lignin was isolated via mild extraction while enhanced removal of both native/structural and surface lignin (71 wt %) was achieved by applying the organosolv treatment using dilute sulfuric acid as catalyst. Dilute sulfuric acid pretreatment followed by acid catalyzed organosolv pretreatment proved to be the most efficient combined approach, leading to 80 wt % hemicellulose removal as xylose monomer, and 71 wt % delignification. High crystallinity cellulose (<88%), with an overall cellulose recovery of 68-91 wt % based on native cellulose in parent biomass was isolated in the last step via bleaching of all pretreated biomass solids. The proposed integrated biorefinery procedures that aim to whole "waste" biomass valorization, replacing fossil resources, with the use of green solvents (water, ethanol) at relatively mild temperature/pressure conditions, are in line with the scope of several United Nations Sustainable Development Goals, such as UN SDG 8, 11, 12, and 13.
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Affiliation(s)
- Antigoni G. Margellou
- Department
of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Eleni A. Psochia
- Department
of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Stylianos A. Torofias
- Department
of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Christina P. Pappa
- Department
of Chemistry, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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Sumarago EC, dela Cerna MFM, Leyson AKB, Tan NPB, Magsico KF. Production and Characterization of Nanocellulose from Maguey ( Agave cantala) Fiber. Polymers (Basel) 2024; 16:1312. [PMID: 38794505 PMCID: PMC11125682 DOI: 10.3390/polym16101312] [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: 02/29/2024] [Revised: 04/27/2024] [Accepted: 04/29/2024] [Indexed: 05/26/2024] Open
Abstract
Plant fibers have been studied as sources of nanocellulose due to their sustainable features. This study investigated the effects of acid hydrolysis parameters, reaction temperature, and acid concentration on nanocellulose yield from maguey (Agave cantala) fiber. Nanocellulose was produced from the fibers via the removal of non-cellulosic components through alkali treatment and bleaching, followed by strong acid hydrolysis for 45 min using sulfuric acid (H2SO4). The temperature during acid hydrolysis was 30, 40, 50, and 60 °C, and the H2SO4 concentration was 40, 50, and 60 wt. % H2SO4. Results showed that 53.56% of raw maguey fibers were isolated as cellulose, that is, 89.45% was α-cellulose. The highest nanocellulose yield of 81.58 ± 0.36% was achieved from acid hydrolysis at 50 °C using 50 wt. % H2SO4, producing nanocellulose measuring 8-75 nm in diameter and 72-866 nm in length, as confirmed via field emission scanning electron microscopy (FESEM) and transmission electron microscopy (TEM) analysis. Fourier-transform infrared spectroscopy (FTIR) analysis indicated the chemical transformation of fibers throughout the nanocellulose production process. The zeta potential analysis showed that the nanocellulose had excellent colloidal stability with a highly negative surface charge of -37.3 mV. Meanwhile, X-ray diffraction (XRD) analysis validated the crystallinity of nanocellulose with a crystallinity index of 74.80%. Lastly, thermogravimetric analysis (TGA) demonstrated that the inflection point attributed to the cellulose degradation of the produced nanocellulose is 311.41 °C.
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Affiliation(s)
- Erwin C. Sumarago
- Department of Chemical Engineering, University of San Carlos, Cebu City 6000, Philippines; (E.C.S.); (M.F.M.d.C.); (A.K.B.L.)
| | - Mary Frahnchezka M. dela Cerna
- Department of Chemical Engineering, University of San Carlos, Cebu City 6000, Philippines; (E.C.S.); (M.F.M.d.C.); (A.K.B.L.)
| | - Andrea Kaylie B. Leyson
- Department of Chemical Engineering, University of San Carlos, Cebu City 6000, Philippines; (E.C.S.); (M.F.M.d.C.); (A.K.B.L.)
| | - Noel Peter B. Tan
- Center for Advanced New Materials, Engineering, and Emerging Technologies (CANMEET), University of San Agustin, Iloilo City 5000, Philippines;
| | - Kendra Felizimarie Magsico
- Center for Advanced New Materials, Engineering, and Emerging Technologies (CANMEET), University of San Agustin, Iloilo City 5000, Philippines;
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Rani P, Pahwa R, Verma V, Bhatia M. Preparation, characterization, and evaluation of ketoconazole-loaded pineapple cellulose green nanofiber gel. Int J Biol Macromol 2024; 262:130221. [PMID: 38365159 DOI: 10.1016/j.ijbiomac.2024.130221] [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: 12/08/2023] [Revised: 02/04/2024] [Accepted: 02/13/2024] [Indexed: 02/18/2024]
Abstract
The present study involves the isolation of cellulose nanofibers from pineapple crown waste by a combined alkali-acid treatment method. The extracted pineapple nanofibers were characterized by Fourier-transform infrared spectroscopy, differential scanning calorimetry, X-ray diffraction, scanning electron microscopy, nuclear magnetic resonance, high-resolution transmission electron microscopy, and dynamic light scattering. The extracted pineapple nanofibers were then incorporated in Carbopol 934P containing ketoconazole to prepare a ketoconazole-loaded pineapple nanofibrous gel. The prepared gel formulation was evaluated for viscosity, spreadability, extrudibility, pH, drug content, and texture profile analysis. The anticipated gel formulation was further evaluated by in vitro drug release (98.57 ± 0.58 %), ex vivo drug permeation, cytotoxicity, and histopathological studies. The permeation of the drug through skin determined by the ex-vivo diffusion study was found to be 38.27 % with a flux rate of 4.06 ± 0.26 μg/cm2/h. Further, the cytotoxicity study of pineapple nanofiber and ketoconazole-loaded nanofiber gel displayed no cytotoxic on healthy vero cells in the concentration range from 10 to 80 μg/ml. The histopathological analysis exhibited no signs of distress and inflammation. In conclusion, ketoconazole-loaded pineapple nanofiber gel could be considered as a promising delivery system for topical applications.
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Affiliation(s)
- Pooja Rani
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar-125001, (Haryana), India
| | - Rimpy Pahwa
- Amity Institute of Pharmacy, Amity University, Noida-201303, (Uttar Pradesh), India
| | - Vikas Verma
- Department of Chemistry, Guru Jambheshwar University of Science and Technology, Hisar-125001, (Haryana), India
| | - Meenakshi Bhatia
- Department of Pharmaceutical Sciences, Guru Jambheshwar University of Science and Technology, Hisar-125001, (Haryana), India.
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5
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Ramakrishnan R, Kim JT, Roy S, Jayakumar A. Recent advances in carboxymethyl cellulose-based active and intelligent packaging materials: A comprehensive review. Int J Biol Macromol 2024; 259:129194. [PMID: 38184045 DOI: 10.1016/j.ijbiomac.2023.129194] [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: 10/31/2023] [Revised: 12/18/2023] [Accepted: 12/31/2023] [Indexed: 01/08/2024]
Abstract
Researchers have concentrated on innovative approaches to increase the shelf life of perishable food products and monitor their quality during storage and transportation as consumer demand for safe, environmentally friendly, and effective packaging develops. This comprehensive review aims to provide an overview of recent developments in carboxymethyl cellulose (CMC) chemical synthesis and its applications in active and intelligent packaging materials. It explores various methods for modifying cellulose to produce CMC and highlights the unique properties that make it suitable for addressing packaging industry challenges. The integration of CMC into active packaging systems, which helps reduce food waste and enhance food preservation, is discussed in depth. Furthermore, the integration of CMC in smart sensors and indicators for real-time monitoring and quality assurance in intelligent packaging is examined. The chemical synthesis of CMC and strategies to optimise its properties were studied, and the review concluded by examining the challenges and prospects of CMC-based packaging in the industry. This review is intended to serve as a valuable resource for researchers, industry professionals, and policymakers interested in the evolving landscape of CMC and its role in shaping the future of packaging materials.
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Affiliation(s)
| | - Jun Tae Kim
- Department of Food and Nutrition, BioNanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Swarup Roy
- Department of Food Technology and Nutrition, School of Agriculture, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Aswathy Jayakumar
- Department of Food and Nutrition, BioNanocomposite Research Center, Kyung Hee University, Seoul 02447, Republic of Korea
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6
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Khotsaeng N, Simchuer W, Imsombut T, Srihanam P. Effect of Glycerol Concentrations on the Characteristics of Cellulose Films from Cattail ( Typha angustifolia L.) Flowers. Polymers (Basel) 2023; 15:4535. [PMID: 38231905 PMCID: PMC10708089 DOI: 10.3390/polym15234535] [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: 10/21/2023] [Revised: 11/16/2023] [Accepted: 11/22/2023] [Indexed: 01/19/2024] Open
Abstract
Plastic waste has become a big problem for the environment globally. Biodegradable polymers are a potential replacement for plastics that can have a positive outcome both environmentally and economically. In this work, we used acid hydrolysis and alkaline treatment to extract cellulose fibers from cattails. The obtained cellulose was used as a substrate for the fabrication of cellulose film using a casting technique on plastic plates. Different concentrations of the plasticizer, glycerol, were used to prepare films for comparison, and its effects on the film's characteristics were observed. The morphology, chemical structure, and thermal stability of the cattail cellulose (CTC) films were studied using techniques such as scanning electron microscopy (SEM), attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), and thermogravimetric analysis (TGA), respectively. Measurements of transparency, moisture content (MC), water solubility (MS), and water contact angle (WCA) were also performed. Introducing glycerol into the films increased the transparency, MC, and WS values, as well as the gap width between film textures. However, it resulted in a decrease in the WCA of the films, showing that the hydrophilicity of the films is increased by the addition of glycerol. The interaction between the functional groups of cellulose and glycerol was established from the ATR-FTIR and XRD data. The obtained results indicated that glycerol affected the thermal stability and the degree of crystallinity of the produced films. Accordingly, the hydrophilicity of the cellulose film was increased by increasing the glycerol content; therefore, cattail cellulose films can be used as a biodegradable alternative to plastic in the future.
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Affiliation(s)
- Nuanchai Khotsaeng
- Faculty of Science and Health Technology, Kalasin University, Namon District, Kalasin 46230, Thailand;
| | - Wilaiwan Simchuer
- Faculty of Science and Technology, Loei Rajabhat University, Mueang District, Loei 42000, Thailand;
| | - Thanonchat Imsombut
- Department of Rubber and Polymer Technology, Faculty of Science and Technology, Rajabhat Mahasarakham University, Mueang District, Maha Sarakham 44000, Thailand;
| | - Prasong Srihanam
- Biodegradable Polymers Research Unit, Department of Chemistry, Centre of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Maha Sarakham 44150, Thailand
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7
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Thongsomboon W, Baimark Y, Srihanam P. Valorization of Cellulose-Based Materials from Agricultural Waste: Comparison between Sugarcane Bagasse and Rice Straw. Polymers (Basel) 2023; 15:3190. [PMID: 37571085 PMCID: PMC10421048 DOI: 10.3390/polym15153190] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/20/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
Sugarcane bagasse and rice straw are major agricultural byproducts often discarded or burned as waste after cultivation, leaving their untapped potential for utilization. In this work, cellulose fibers were extracted from sugarcane bagasse and rice straw using a simple procedure: alkaline treatment with sodium hydroxide, bleaching with sodium hypochlorite, and acid hydrolysis. The obtained cellulosic materials were successfully prepared into milky white and transparent films, of which the transparency slightly decreased with the addition of glycerol. The surface of all the films appeared homogeneous with a random orientation of fibers. The rice-straw (RS) film had a more fragile texture than the sugarcane-bagasse (SBG) film. The FTIR analysis clearly indicated the functional groups of cellulose, as well as glycerol for the films mixed with glycerol. Thermal analysis showed that the native SBG film decomposed at 346 °C, higher than the native RS film (339 °C). The presence of glycerol in the films resulted in slightly lower maximum decomposition temperature (Td,max) values as well as mechanical properties. Regarding water susceptibility, the RS film had a higher percentage than the native SBG and glycerol-mixed SBG films. The extracted cellulose from both sources could form almost spherical-shaped cellulose particles. Thus, through the simple extraction method, sugarcane bagasse and rice straw could serve as excellent sources of cellulose materials for preparing cellulose films and particles, which would be advantageous to the development of cellulose-based materials.
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Affiliation(s)
| | | | - Prasong Srihanam
- Biodegradable Polymers Research Unit, Department of Chemistry and Centre of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Mahasarakham 44150, Thailand; (W.T.); (Y.B.)
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Lin C, Jung J, Zhao Y. Cellulose nanofiber‐based emulsion coatings with enhanced hydrophobicity and surface adhesion for preserving anthocyanins within thermally processed blueberries packed in aqueous media. J FOOD PROCESS ENG 2023. [DOI: 10.1111/jfpe.14277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Chieh‐Yi Lin
- Department of Food Science & Technology Oregon State University Corvallis Oregon USA
| | - Jooyeoun Jung
- Department of Food Science & Technology Oregon State University Corvallis Oregon USA
| | - Yanyun Zhao
- Department of Food Science & Technology Oregon State University Corvallis Oregon USA
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Uranchimeg K, Jargalsaikhan B, Bor A, Yoon K, Choi H. Comparative Study of the Morphology of Cellulose Nanofiber Fabricated Using Two Kinds of Grinding Method. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15207048. [PMID: 36295115 PMCID: PMC9604682 DOI: 10.3390/ma15207048] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/22/2022] [Accepted: 10/03/2022] [Indexed: 05/28/2023]
Abstract
In this paper, a comparison of cellulose nanofiber (CNF) fabrication from Gelidium amansii using two kinds of grinding processes is presented. The cellulose from Gelidium amansii is pretreated with hydrogen peroxide and sodium carbonate in a separating and bleaching process. Then, two grinding processes (method A and B) are used to fabricate CNFs. The first is a traditional method of fabricating CNFs using a disc grinder, whereas the second method is identical to the first, but includes an additional step involving a planetary ball mill. In the new method (method B), dry cellulose powder is prepared using a planetary ball mill, which has the advantage of long-term storage and maintains the original quality of the cellulose. The morphological changes of the dry cellulose powder and CNFs are determined using scanning electron microscopy and field emission scanning electron microscopy. The physical characteristics of the CNFs are found to be significantly different when we change the disc grinder used in the grinding method to produce nanometer scale where the best result is homogeneous, uniform CNFs with a fabricated width of 19 nm.
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Affiliation(s)
- Khulan Uranchimeg
- Graduate School of Material Science Engineering, Changwon National University, Changwon 641-773, Gyoungnam, Korea
| | - Battsetseg Jargalsaikhan
- Graduate School of Material Science Engineering, Changwon National University, Changwon 641-773, Gyoungnam, Korea
| | - Amgalan Bor
- Department of Chemical and Biological Engineering, School of Engineering and Applied Sciences, National University of Mongolia, Ulaanbaatar 14200, Mongolia
| | - Kiyoung Yoon
- R&D Center, REACNF Co., Ltd., Changwon 641-773, Gyoungnam, Korea
| | - Heekyu Choi
- Graduate School of Material Science Engineering, Changwon National University, Changwon 641-773, Gyoungnam, Korea
- Department of Mechatronics Convergence Engineering, College of Engineering, Changwon National University, Changwon 641-773, Gyoungnam, Korea
- Graduate School of Convergence on Culture Technology, Changwon National University, Changwon 641-773, Gyoungnam, Korea
- Research Institute of Future Convergence, Changwon National University, Changwon 641-773, Gyoungnam, Korea
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10
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Neenu KV, Midhun Dominic CD, Begum PMS, Parameswaranpillai J, Kanoth BP, David DA, Sajadi SM, Dhanyasree P, Ajithkumar TG, Badawi M. Effect of oxalic acid and sulphuric acid hydrolysis on the preparation and properties of pineapple pomace derived cellulose nanofibers and nanopapers. Int J Biol Macromol 2022; 209:1745-1759. [PMID: 35469954 DOI: 10.1016/j.ijbiomac.2022.04.138] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 04/18/2022] [Accepted: 04/18/2022] [Indexed: 01/09/2023]
Abstract
Nanocellulose is the "green magnet" which attracts a wide spectrum of industries towards it due to its availability, biodegradability, and possible smart applications. For the first time, pineapple pomace was being explored as an economic precursor for cellulose nanofibers. Nanofiber isolation was accomplished using a chemo-mechanical method and solution casting was adopted for the development of nanopapers. Moreover, the study examines the structural, optical, crystalline, dimensional, and thermal features of nanofibers isolated using different acid hydrolysis (oxalic acid and sulphuric acid) methods. Fourier-transform infra-red spectroscopy, 13C solid-state nuclear magnetic resonance spectroscopy, and X-ray diffraction analysis indicated the presence of type I cellulose. The transmittance, crystallinity index, and thermal stability of PPNFS (sulphuric acid treated fiber) were greater than PPNFO (oxalic acid treated fiber). The transmission electron microscopy and dynamic light scattering analysis confirmed the nanodimension of PPNFO and PPNFS. While comparing the optical and mechanical properties of nanopapers, PPNFS outperforms PPNFO. The tensile strength of the prepared nanopapers (64 MPa (PPNFO) and 68 MPa (PPNFS)) was found to be high compared to similar works reported in the literature. The prepared nanopaper is proposed to be used for food packaging applications.
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Affiliation(s)
- K V Neenu
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin 682022, India
| | - C D Midhun Dominic
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India.
| | - P M Sabura Begum
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin 682022, India,.
| | - Jyotishkumar Parameswaranpillai
- Department of Science, Faculty of Science & Technology, Alliance University, Chandapura-Anekal Main Road, Bengaluru 562106, Karnataka, India
| | - Bipinbal Parambath Kanoth
- Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology (CUSAT), Kerala Pin-682022, India
| | - Deepthi Anna David
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin 682022, India
| | - S Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Kurdistan Region, Iraq; Department of Phytochemistry, SRC, Soran University, KRG, Iraq
| | - P Dhanyasree
- Department of Applied Chemistry, Cochin University of Science and Technology (CUSAT), Kerala Pin 682022, India
| | - T G Ajithkumar
- Central NMR Facility and Physical/Materials Chemistry Division, CSIR-National Chemical Laboratory, Pune Pin-411008, India
| | - Michael Badawi
- Laboratoire de Physique et Chimie Théoriques UMR CNRS 7019, Université de Lorraine, Nancy, France
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Cellulose extraction of Alstonia scholaris: A comparative study on efficiency of different bleaching reagents for its isolation and characterization. Int J Biol Macromol 2021; 191:964-972. [PMID: 34597697 DOI: 10.1016/j.ijbiomac.2021.09.155] [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: 04/16/2021] [Revised: 09/18/2021] [Accepted: 09/22/2021] [Indexed: 12/15/2022]
Abstract
The incredible benefits of Alstonia scholaris are piquing researchers' attention in extracting its cellulose and utilizing it in further therapeutic applications. This study is based on cellulose extraction from its stalks and processed through chemical pre-treatments to manifest its cellulose content by using different bleaching reagents. A comparison was made on efficiencies of three reagents and it is found that the hydrogen peroxide exposed maximum cellulose than sodium hypochlorite and sodium chlorite. The experimental results revealed that A. scholaris possess 68-70% cellulose content. FTIR spectrum shows that OH- and CH- vibrations of cellulose appeared at 3320 cm-1 & 2892 cm-1 respectively whereas SEM images show fibrillation, rough surface, and lumens in bleached fiber that attributes to the removal of lignin and hemicelluloses and confirms cellulose extraction. The XRD pattern certifies the crystalline nature and compactness of cellulose whereas tensile properties and TGA help in understanding its flexibility, mechanical strength, and thermal stability at 370 °C respectively.
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12
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Yan J, Liu J, Sun Y, Song G, Ding D, Fan G, Chai B, Wang C, Sun L. Investigation on the Preparation of Rice Straw-Derived Cellulose Acetate and Its Spinnability for Electrospinning. Polymers (Basel) 2021; 13:polym13203463. [PMID: 34685223 PMCID: PMC8538335 DOI: 10.3390/polym13203463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 09/28/2021] [Accepted: 09/30/2021] [Indexed: 01/31/2023] Open
Abstract
Rice straw-derived cellulose (RSC) with purity of 92 wt.% was successfully extracted from rice straw by a novel and facile strategy, which integrated the C2H5OH/H2O autocatalytic process, dilute alkali treatment and H2O2 bleaching process. Influencing factors of the cellulose extraction were systematically examined, such as ethanol concentration, alkali concentration, H2O2 bleaching process and so on; the optimal extraction conditions of cellulose was determined. A series of rice straw-derived cellulose acetate (RSCA) with different degree of substitution (DS) were prepared by the acetylation reaction; the effects of Ac2O/cellulose ratio, reaction temperature and reaction time on the acetylation reaction were investigated. Results of FTIR and XRD analysis demonstrated that highly purified RSC and RSCA were prepared comparing with the commercial cellulose and cellulose acetate. Solubility analysis of RSCA with different DS indicated as-prepared RSCA with DS of 2.82 possessed the best solubleness, which was suitable for electrospinning. Moreover, the flexible RSCA fibrous membrane was easily fabricated by a facile electrospinning method. Our proposed method provided a strategy for realizing the high-value utilization of waste rice straw resource, as prepared RSC and RSCA can be used as chemical raw material, and electrospun RSCA fibrous membrane has various applications in medical materials, food packaging, water purification and so on.
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Affiliation(s)
- Juntao Yan
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
- Correspondence: (J.Y.); (C.W.); Tel.: +86-27-83940468 (J.Y. & C.W.); Fax: +86-27-83937409 (J.Y. & C.W.)
| | - Jinhong Liu
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Ya Sun
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Guangsen Song
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Deng Ding
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Guozhi Fan
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Bo Chai
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
| | - Chunlei Wang
- College of Chemistry and Environmental Engineering, Wuhan Polytechnic University, Wuhan 430023, China; (J.L.); (Y.S.); (G.S.); (D.D.); (G.F.); (B.C.)
- Correspondence: (J.Y.); (C.W.); Tel.: +86-27-83940468 (J.Y. & C.W.); Fax: +86-27-83937409 (J.Y. & C.W.)
| | - Linbing Sun
- College of Chemical Engineering, Nanjing Tech University, Nanjing 211816, China;
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Otoni CG, Azeredo HMC, Mattos BD, Beaumont M, Correa DS, Rojas OJ. The Food-Materials Nexus: Next Generation Bioplastics and Advanced Materials from Agri-Food Residues. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2102520. [PMID: 34510571 DOI: 10.1002/adma.202102520] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 06/14/2021] [Indexed: 06/13/2023]
Abstract
The most recent strategies available for upcycling agri-food losses and waste (FLW) into functional bioplastics and advanced materials are reviewed and the valorization of food residuals are put in perspective, adding to the water-food-energy nexus. Low value or underutilized biomass, biocolloids, water-soluble biopolymers, polymerizable monomers, and nutrients are introduced as feasible building blocks for biotechnological conversion into bioplastics. The latter are demonstrated for their incorporation in multifunctional packaging, biomedical devices, sensors, actuators, and energy conversion and storage devices, contributing to the valorization efforts within the future circular bioeconomy. Strategies are introduced to effectively synthesize, deconstruct and reassemble or engineer FLW-derived monomeric, polymeric, and colloidal building blocks. Multifunctional bioplastics are introduced considering the structural, chemical, physical as well as the accessibility of FLW precursors. Processing techniques are analyzed within the fields of polymer chemistry and physics. The prospects of FLW streams and biomass surplus, considering their availability, interactions with water and thermal stability, are critically discussed in a near-future scenario that is expected to lead to next-generation bioplastics and advanced materials.
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Affiliation(s)
- Caio G Otoni
- Department of Materials Engineering (DEMa), Federal University of São Carlos (UFSCar), Rod. Washington Luiz, km 235, São Carlos, SP, 13565-905, Brazil
| | - Henriette M C Azeredo
- Embrapa Agroindústria Tropical, Rua Dra. Sara Mesquita 2270, Fortaleza, CE, 60511-110, Brazil
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, Rua XV de Novembro 1452, São Carlos, SP, 13560-970, Brazil
| | - Bruno D Mattos
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, Aalto, Espoo, FIN-00076, Finland
| | - Marco Beaumont
- Department of Chemistry, University of Natural Resources and Life Sciences, Vienna (BOKU), Konrad-Lorenz-Str. 24, Tulln, A-3430, Austria
| | - Daniel S Correa
- Nanotechnology National Laboratory for Agriculture (LNNA), Embrapa Instrumentação, Rua XV de Novembro 1452, São Carlos, SP, 13560-970, Brazil
| | - Orlando J Rojas
- Department of Bioproducts and Biosystems, School of Chemical Engineering, Aalto University, P.O. Box 16300, Aalto, Espoo, FIN-00076, Finland
- Bioproducts Institute, Departments of Chemical & Biological Engineering, Chemistry and Wood Science, The University of British Columbia, 2360 East Mall, Vancouver, BC, V6T 1Z3, Canada
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Investigation of eco‐friendly chemical treatments of apple pomace for producing high quality molded pulp biocomposite. J Appl Polym Sci 2021. [DOI: 10.1002/app.51363] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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