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Li Y, Duan Q, Yue S, Alee M, Liu H. Enhancing mechanical and water barrier properties of starch film using chia mucilage. Int J Biol Macromol 2024; 274:133288. [PMID: 38908643 DOI: 10.1016/j.ijbiomac.2024.133288] [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: 03/08/2024] [Revised: 05/27/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Biodegradable packaging materials are increasingly being investigated due to rising concerns about food safety and environmental conservation. This study examines the incorporation of chia mucilage (CM) into starch-based films using the casting method, aiming to understand its effects on the structure and functionality of the films. CM, an anionic heteropolysaccharide, is hypothesized to enhance the mechanical and barrier properties of the films through polymer interactions and hydrogen bonding. Our findings confirm that CM incorporation results in films with uniformly smooth surfaces, indicating high compatibility and homogeneity within the starch matrix. Notably, CM improves film transparency and crystallinity. Mechanical assessments show a remarkable elevation in tensile strength, soaring from 5.21 MPa to 12.38 MPa, while elongation at break decreases from 61.73 % to 31.42 %, indicating a trade-off between strength and flexibility. Additionally, water solubility decreases from 57.97 % to 41.40 %, and water vapor permeability is reduced by 30 % with CM loading. These results highlight the role of CM in facilitating the formation of a dense, interconnected polymeric network within the starch matrix. Given the soluble dietary fiber nature of CM, the CS/CM (corn starch/chia mucilage) blended films are expected to be safe for food packaging and applicable as edible films with health benefits.
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Affiliation(s)
- Yuxia Li
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Qingfei Duan
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shuke Yue
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Mahafooj Alee
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; Sino-Singapore International Joint Research Institute, Knowledge City, Guangzhou 510663, China.
| | - Hongsheng Liu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China; Sino-Singapore International Joint Research Institute, Knowledge City, Guangzhou 510663, China; Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health, Guangzhou, China.
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2
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Chandraraj SS, Suyambulingam I, Edayadulla N, Divakaran D, Singh MK, Sanjay M, Siengchin S. Characterization of Calotropis gigantiea plant leaves biomass-based bioplasticizers for biofilm applications. Heliyon 2024; 10:e33641. [PMID: 39040382 PMCID: PMC11260987 DOI: 10.1016/j.heliyon.2024.e33641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 07/24/2024] Open
Abstract
The present surge in environmental consciousness has pushed for the use of biodegradable plasticizers, which are sustainable and abundant in plant resources. As a result of their biocompatibility and biodegradability, Calotropis gigantiea leaf plasticizers (CLP) serve as viable alternatives to chemical plasticizers. First time, the natural plasticizers from the Calotropis leaves were extracted for this study using a suitable chemical approach that was also environmentally friendly. The XRD results showed a reduced crystallinity index of 20.2 % and a crystalline size of 5.3 nm, respectively. TGA study revealed that the CLP has good thermal stability (244 °C). Through FT-IR study, the existence of organic compounds in CLP can be investigated by key functional groups such as alcohol, amine, amide, hydrocarbon, alkene, aromatic, etc. Further the presence of alcoholic, amino, and carboxyl constituents was confirmed by UV investigation. SEM, EDAX analysis, and AFM are used to examine the surface morphology of the isolated plasticizer. SEM pictures reveal rough surfaces on the CLP surface pores, which makes them suitable for plasticizing new bioplastics with improved mechanical properties. Poly (butylene adipate-co-terephthalate) (PBAT), a biodegradable polymer matrix, was used to investigate the plasticization impact after the macromolecules were characterised. The biofilm PBAT/CLP had a thickness of 0.8 mm. In addition, the reinforcement interface was examined using scanning electron microscopy. When CLP is loaded differently in PBAT, the tensile strength and young modulus change from 15.30 to 24.60 MPa and from 137 to 168 MPa, respectively. CLP-reinforced films demonstrated better surface compatibility and enhanced flexibility at a loading of 2 % when compared to pure PBAT films. Considering several documented characteristics, CLP may prove to be an excellent plasticizer for resolving environmental issues in the future.
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Affiliation(s)
- Shanmuga Sundari Chandraraj
- Department of Chemistry, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062, India
| | - Indran Suyambulingam
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, 10800, Thailand
| | - Naushad Edayadulla
- Department of Chemistry, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062, India
| | - Divya Divakaran
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, 10800, Thailand
| | - Manoj Kumar Singh
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, 10800, Thailand
| | - M.R. Sanjay
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, 10800, Thailand
| | - Suchart Siengchin
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut's University of Technology North Bangkok (KMUTNB), Bangkok, 10800, Thailand
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3
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Kaur R, Chauhan I. Biodegradable plastics: mechanisms of degradation and generated bio microplastic impact on soil health. Biodegradation 2024:10.1007/s10532-024-10092-3. [PMID: 38985381 DOI: 10.1007/s10532-024-10092-3] [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: 03/18/2024] [Accepted: 07/03/2024] [Indexed: 07/11/2024]
Abstract
Conventional petroleum-derived polymers are valued for their versatility and are widely used, owing to their characteristics such as cost-effectiveness, diverse physical and chemical qualities, lower molecular weight, and easy processability for large-scale production. However, the extensive accumulation of such plastics leads to serious environmental issues. To combat this existing situation, an alternative lies in the production of bioplastics from natural and renewable sources such as plants, animals, microbes, etc. Bioplastics obtained from renewable sources are compostable and susceptible to degradation caused by microbes hydrolyzing to CO2, CH4, and biomass. Also, certain additives are reinforced into the bioplastic films to improve their physicochemical properties and degradation rate. However, on degradation, the bio-microplastic (BM) produced could have positive as well as negative impact on the soil health. This article thus focuses on the degradation of various fossil based as well as bio based biodegradable plastics such as polyhydroxyalkanoates (PHA), polyhydroxy butyrate (PHB), polylactic acid (PLA), polybutylene succinate (PBS), polycaprolactone (PCL), and polysaccharide derived bioplastics by mechanical, thermal, photodegradation and microbial approaches. The degradation mechanism of each approach has been discussed in detailed for different bioplastics. How the incorporation or reinforcement of various additives in the biodegradable plastics effects their degradation rates has also been discussed. In addition to that, the impact of generated bio-microplastic on physicochemical properties of soil such as pH, bulk density, carbon, nitrogen content etc. and biological properties such as on genome of native soil microbes and on plant nutritional health have been discussed in detailed.
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Affiliation(s)
- Rishpreet Kaur
- Department of Biotechnology, Dr. B. R. Ambedkar National Institute of Technology Jalandhar, Punjab, 144008, India
| | - Indu Chauhan
- Department of Biotechnology, Dr. B. R. Ambedkar National Institute of Technology Jalandhar, Punjab, 144008, India.
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Thakkar A, Choudhary N, Patel R, Sahu S, Joshi M, Yadav VK, Sahoo DK, Patel A. A comparative study of the effects of graphite, wollastonite, and titanium dioxide fillers on the properties of starch-based biodegradable plastic film. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33887-6. [PMID: 38856850 DOI: 10.1007/s11356-024-33887-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Accepted: 05/30/2024] [Indexed: 06/11/2024]
Abstract
This research paper aims to explore the effect of graphite, wollastonite, and titanium dioxide as reinforcing fillers on starch-based biodegradable plastic (SBP) films. GF-SBP (graphite filler containing SBP), WF-SBP (wollastonite containing SBP), and TF-SBP (titanium dioxide containing SBP) films were developed and analyzed for various properties such as thickness, density, tensile strength, elongation break, morphology, thermal stability, solubility, moisture content, moisture absorbance, biodegradability, and antibacterial activity. The results reveal that WF-SBP films had the highest tensile strength of 5.43 MPa and greatest elongation break value of 22% as compared to other films. Thermogravimetric analysis showed that SBP films with and without filler degraded slowly between 150 and 600°C. The highest thermal stability was recorded for TF-SBP films which showed stability (11% mass loss) up to 150°C. The biodegradability test conducted using soil burial method suggested that TF-SBP film degraded within 90 days, GF-SBP films degraded completely in 120 days, and WF-SBP films took more than 120 days to degrade. The synthesized SBP films were analyzed for their antibacterial potential against gram-positive and gram-negative bacteria, and results showed that WF-SBP film exhibited the best antibacterial activity by producing a large zone of inhibition against Escherichia coli.
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Affiliation(s)
- Avani Thakkar
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
| | - Nisha Choudhary
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
| | - Rajat Patel
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
| | - Santosh Sahu
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
| | - Madhvi Joshi
- Gujarat Biotechnology Research Centre (GBRC), M. S. Building, Gandhinagar, Gujarat, 382011, India
| | - Virendra Kumar Yadav
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
| | - Dipak Kumar Sahoo
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA
| | - Ashish Patel
- Department of Lifesciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India.
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5
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El Feky AR, Ismaiel M, Yılmaz M, Madkour FM, El Nemr A, Ibrahim HAH. Biodegradable plastic formulated from chitosan of Aristeus antennatus shells with castor oil as a plasticizer agent and starch as a filling substrate. Sci Rep 2024; 14:11161. [PMID: 38750054 PMCID: PMC11096362 DOI: 10.1038/s41598-024-61377-9] [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: 10/12/2023] [Accepted: 05/06/2024] [Indexed: 05/18/2024] Open
Abstract
Biodegradable plastics are those subjected easily to a degradation process, in which they can be decomposed after disposal in the environment through microbial activity. 30 bioplastic film formulations based only on chitosan film were used in the current investigation as a positive control together with chitosan film recovered from chitin-waste of locally obtained Aristeus antennatus. Additionally, castor oil was used as a plasticizer. While the yield of chitosan was 18% with 7.65% moisture content and 32.27% ash in the shells, the isolated chitin had a degree of deacetylation (DD) of 86%. The synthesized bioplastic films were characterized via numerous criteria. Firstly, the swelling capacity of these biofilms recorded relatively high percentages compared to polypropylene as synthetic plastic. Noticeably, the FTIR profiles, besides DSC, TGA, and XRD, confirmed the acceptable characteristics of these biofilms. In addition, their SEM illustrated the homogeneity and continuity with a few straps of the chitosan film and showed the homogeneous mixes of chitosan and castor oil with 5 and 20%. Moreover, data detected the antibacterial activity of different bioplastic formulas against some common bacterial pathogens (Enterococcus feacalis, Kelbsiella pnumina, Bacillus subtilis, and Pseudomonas aeruginosa). Amazingly, our bioplastic films have conducted potent antimicrobial activities. So, they may be promising in such a direction. Further, the biodegradability efficacy of bioplastic films formed was proved in numerous environments for several weeks of incubation. However, all bioplastic films decreased in their weights and changed in their colors, while polypropylene, was very constant all the time. The current findings suggest that our biofilms may be promising for many applications, especially in the field of food package protecting the food, and preventing microbial contamination, consequently, it may help in extending the shelf life of products.
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Affiliation(s)
- Ayaat R El Feky
- Oceanographic Sciences Department, Faculty of Science, Port Said University, Port Fuad, Egypt
| | - Mohammed Ismaiel
- Oceanographic Sciences Department, Faculty of Science, Port Said University, Port Fuad, Egypt
| | - Murat Yılmaz
- Bahçe Vocational School, Department of Chemistry and Chemical Processing Technologies, Osmaniye Korkut Ata University, Osmaniye, 80000, Turkey
| | - Fedekar M Madkour
- Oceanographic Sciences Department, Faculty of Science, Port Said University, Port Fuad, Egypt
| | - Ahmed El Nemr
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt.
| | - Hassan A H Ibrahim
- Environment Division, National Institute of Oceanography and Fisheries (NIOF), Kayet Bey, Elanfoushy, Alexandria, Egypt
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6
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Xie D, Zhang R, Song S, Yang S, Yang A, Zhang C, Song Y. Nacre-inspired starch-based bioplastic with excellent mechanical strength and electromagnetic interference shielding. Carbohydr Polym 2024; 331:121888. [PMID: 38388042 DOI: 10.1016/j.carbpol.2024.121888] [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: 11/03/2023] [Revised: 01/19/2024] [Accepted: 01/27/2024] [Indexed: 02/24/2024]
Abstract
Bioplastics have aroused significant interest in researchers to relieve the serious environmental pollution caused by the ubiquity of petroleum-based plastics. However, it remains a great challenge to construct functional bioplastics with excellent mechanical strength, water resistance, and heat resistance. Inspired by the interesting structure of nacre, a novel starch-based bioplastic was prepared via a self-assembly technique, using 2,2,6,6-tetramethylpiperidine-1-oxy-oxidized cellulose nanofibers modified starch, nano-montmorillonite, and reduced graphene oxide as raw materials. Due to the unique layered structure and rich interfacial interaction, the starch-based bioplastic exhibited excellent mechanical properties, while the tensile strength was up to 37.39 MPa. Furthermore, it represented outstanding water resistance, heat resistance, repairability, renewability and biodegradability. Especially, the starch-based bioplastic demonstrated a strong electromagnetic interference shielding effectiveness (EMI SE), which was higher than 35 dB with a thickness of 0.5 mm. These powerful properties provided the possibility for functional applications of starch-based bioplastics.
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Affiliation(s)
- Di Xie
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Rui Zhang
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Shanshan Song
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Siwen Yang
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - An Yang
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Congcong Zhang
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China
| | - Yongming Song
- Key Laboratory of Bio-based Material Science and Technology, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, China; College of Home and Art Design, Northeast Forestry University, Harbin 150040, China.
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7
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Godoy Zúniga MM, Ding R, Oh E, Nguyen TB, Tran TT, Nam JD, Suhr J. Avocado seed starch utilized in eco-friendly, UV-blocking, and high-barrier polylactic acid (PLA) biocomposites for active food packaging applications. Int J Biol Macromol 2024; 265:130837. [PMID: 38503372 DOI: 10.1016/j.ijbiomac.2024.130837] [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: 01/17/2024] [Revised: 02/22/2024] [Accepted: 03/11/2024] [Indexed: 03/21/2024]
Abstract
Efficient and effective use of biopolymers, such as starch, has increasingly prompted interest due to the current environmental challenges. However, starch-based composites still show poor ductility along with water and oxygen permeability, which may not meet the requirements for food packaging standards. In this study, modified starch (m-St), isolated from the avocado seed and synthesized with tert-butyl acetoacetate (t-BAA), was embedded into polylactic acid (PLA) to design new eco-friendly composites. The developed biocomposites were found to exhibit high performance with outstanding mechanical properties in conjunction with remarkable light, water vapor, and oxygen blocking features for food packaging applications. PLA/m-St(1:6) 20 wt% composites showed a dramatic increase in elongation at break (EB%) from 3.35 to 27.80 % (about 730 % enhancement) and exhibited remarkable UV-blocking performance from 16.21 to 83.86 % for UVB, relative to pure PLA. Equally importantly, these biocomposites revealed significant improvement in oxygen and water vapor barrier performance by reducing their values from 1331 to 32.9 cc m-2 day-1 (indicating a remarkable reduction of 97.53 %) and 61.9 to 28 g m-2 day-1, respectively. This study can show the great potential of extracting starch from biowaste resources and transforming it into sustainable bio-based composites as a promising solution for food packaging applications.
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Affiliation(s)
- Marcela María Godoy Zúniga
- Department of Polymer Science & Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea
| | - Ruonan Ding
- Department of Energy Science, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea; Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Laoshan District, Qingdao, Shandong, China, 266104
| | - Eunyoung Oh
- School of Mechanical Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea
| | - Tan Binh Nguyen
- Department of Polymer Science & Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea
| | - Trung Tien Tran
- School of Mechanical Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea
| | - Jae-Do Nam
- Department of Polymer Science & Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea; Department of Energy Science, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea
| | - Jonghwan Suhr
- Department of Polymer Science & Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea; School of Mechanical Engineering, Sungkyunkwan University, 2066, Seoburo, Jangan-gu, Gyeonggi-do 16419, Republic of Korea.
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Siddiqui SA, Yang X, Deshmukh RK, Gaikwad KK, Bahmid NA, Castro-Muñoz R. Recent advances in reinforced bioplastics for food packaging - A critical review. Int J Biol Macromol 2024; 263:130399. [PMID: 38403219 DOI: 10.1016/j.ijbiomac.2024.130399] [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: 12/06/2023] [Revised: 02/07/2024] [Accepted: 02/21/2024] [Indexed: 02/27/2024]
Abstract
Recently, diversifying the material, method, and application in food packaging has been massively developed to find more environment-friendly materials. However, the mechanical and barrier properties of the bioplastics are major hurdles to expansion in commercial realization. The compositional variation with the inclusion of different fillers could resolve the lacking performance of the bioplastic. This review summarizes the various reinforcement fillers and their effect on bioplastic development. In this review, we first discussed the status of bioplastics and their definition, advantages, and limitations regarding their performance in the food packaging application. Further, the overview of different fillers and development methods has been discussed thoroughly. The application of reinforced bioplastic for food packaging and its effect on food quality and shelf life are highlighted. The environmental issues, health concerns, and future perspectives of the reinforced bioplastic are also discussed at the end of the manuscript. Adding different fillers into the bioplastic improves physical, mechanical, barrier, and active properties, which render the required protective functions to replace conventional plastic for food packaging applications. Various fillers, such as natural and chemically synthesized, could be incorporated into the bioplastic, and their overall properties improve significantly for the food packaging application.
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Affiliation(s)
- Shahida Anusha Siddiqui
- Technical University of Munich, Campus Straubing for Biotechnology and Sustainability, Essigberg 3, 94315 Straubing, Germany; German Institute of Food Technologies (DIL e.V.), Prof.-von-Klitzing Str. 7, 49610, Quakenbrück, Germany.
| | - Xi Yang
- Department of Food Science and Technology, Tokyo University of Marine Science and Technology, Japan.
| | - Ram Kumar Deshmukh
- Department of Paper Technology, Indian Institute of Technology Roorkee, Uttarakhand 247667, India.
| | - Kirtiraj K Gaikwad
- Department of Paper Technology, Indian Institute of Technology Roorkee, Uttarakhand 247667, India.
| | - Nur Alim Bahmid
- Research Center for Food Technology and Processing, National Research and Innovation Agency (BRIN), Gading, Playen, Gunungkidul, 55861 Yogyakarta, Indonesia; Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering, 80 - 233 Gdansk, G. Narutowicza St. 11/12, Poland.
| | - Roberto Castro-Muñoz
- Gdansk University of Technology, Faculty of Civil and Environmental Engineering, Department of Sanitary Engineering, 80 - 233 Gdansk, G. Narutowicza St. 11/12, Poland.
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Edayadulla N, Divakaran D, Chandraraj SS, Suyambulingam I, Jayamani E, Sanjay MR, Siengchin S. Isolation and characterization of novel bioplasticizers from rose ( Rosa damascena Mill.) petals and its suitability investigation for poly (butylene adipate- co-terephthalate) biofilm applications. 3 Biotech 2024; 14:110. [PMID: 38486820 PMCID: PMC10933221 DOI: 10.1007/s13205-024-03956-1] [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: 10/16/2023] [Accepted: 02/10/2024] [Indexed: 03/17/2024] Open
Abstract
The current growing environmental awareness has forced the use of biodegradable plasticizers, which are sustainable and abundant in plant resources. Rose petal plasticizers (RPP) act as an actual substitute for chemical plasticizers in this situation as they are biocompatible and biodegradable. Chemical procedures like amination, alkalization, and surface catalysis are used to extract the natural emollients from rose petals. XRD, FT-IR, and UV studies were used to understand the characteristics of the rose petal plasticizer. Based on the XRD data, the RPP's crystallinity size (CS) and crystallinity index (CI) values were determined to be 9.36 nm and 23.87%, respectively. The surface morphology of the isolated plasticizer is investigated using SEM, EDAX analysis and AFM. RPP surface pores with rough surfaces are visible in SEM images, which make them appropriate for plasticizing novel bioplastics with superior mechanical qualities. The plasticizer's heat degradation behaviour is investigated using thermogravimetric and differential thermogram analysis curves. Following the characterization of the synthesised molecules, the plasticization effect was examined using a biodegradable polymer matrix called poly (butylene adipate-co-terephthalate) (PBAT). The reinforcement interface was also examined using scanning electron microscopy analysis. RPP-reinforced films demonstrated greater flexibility and superior surface compatibility at a 5% loading compared to PBAT-only films. Based on a number of reported features, RPP could be a great plasticizer to address future environmental problems.
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Affiliation(s)
- Naushad Edayadulla
- Department of Chemistry, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062 India
| | - Divya Divakaran
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok, 10800 Thailand
| | - Shanmuga Sundari Chandraraj
- Department of Chemistry, Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology, Chennai, 600062 India
| | - Indran Suyambulingam
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok, 10800 Thailand
| | - Elammaran Jayamani
- Mechanical Engineering, Swinburne University of Technology Sarawak Campus (SUTS), Kuching, 93350 Sarawak, Malaysia
| | - M. R. Sanjay
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok, 10800 Thailand
| | - Suchart Siengchin
- Natural Composites Research Group Lab, Department of Materials and Production Engineering, The Sirindhorn International Thai-German School of Engineering (TGGS), King Mongkut’s University of Technology North Bangkok (KMUTNB), Bangkok, 10800 Thailand
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10
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Rasak A, Heryanto H, Tahir D. High degradation bioplastics chitosan-based from scale waste of milkfish (Chanos chanos). Int J Biol Macromol 2024; 256:128074. [PMID: 37989433 DOI: 10.1016/j.ijbiomac.2023.128074] [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: 08/26/2023] [Revised: 10/11/2023] [Accepted: 11/11/2023] [Indexed: 11/23/2023]
Abstract
Bioplastic that is synthesized from natural materials such as chitosan is a renewable solution to reduce plastic waste in the environment because they are easily decomposed. In this study, chitosan (CS) was extracted from Milkfish scales waste to produce composite bioplastic CS/PVA/PEG to determine the effect of CS on the mechanical properties and degradation time. The average particle size of chitin is 8.5 μm and crystallinity of 57.18 % and for CS, the particle size is 3.5 μm and crystallinity of 64.94 %. The degree of deacetylation of CS is 84.1 % which met the quality standard of Indonesian national standard (SNI) Number: 7949:2013. The tensile strength of bioplastics for 0.5 g CS of 0.21 MPa increases to 0.24 MPa for 2 g CS in composite bioplastics CS/PVA/PEG. The biodegradation performance of bioplastic samples takes 72 h to completely decompose in soil for CS-based and in seawater for chitin-based, means that highly recommended to develop in future.
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Affiliation(s)
- Abdul Rasak
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia
| | - Heryanto Heryanto
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia
| | - Dahlang Tahir
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia.
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Xie D, Zhang R, Zhang C, Yang S, Xu Z, Song Y. A novel, robust mechanical strength, and naturally degradable double crosslinking starch-based bioplastics for practical applications. Int J Biol Macromol 2023; 253:126959. [PMID: 37739289 DOI: 10.1016/j.ijbiomac.2023.126959] [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: 06/07/2023] [Revised: 07/27/2023] [Accepted: 09/14/2023] [Indexed: 09/24/2023]
Abstract
The increasing number of petroleum-based plastics has caused severe environmental pollution, which has attracted great research interest in the development of low-cost, renewable, and degradable starch-based bioplastics. However, developing starch-based bioplastics with robust mechanical strength, excellent water resistance, and thermal resistance remains a great challenge. In this study, we presented a simple and efficient method for preparing high-performance novel starch-based bioplastics with chemical and physical double crosslinking network structures filled with 2,2,6,6-tetramethylpiperidine 1-oxy-oxidized cellulose nanofibers and zinc oxide nanoparticles. Compared with pure starch-based bioplastics, the tensile strength of the novel robust strength starch-based bioplastics increased by 431.2 %. The novel starch-based bioplastics exhibited excellent mechanical properties (tensile strength up to 24.54 MPa), water resistance, thermal resistance, and biodegradability. In addition, the novel starch-based bioplastics could be reused, crushed, dissolved, and re-poured after use. After recycling, the novel starch-based bioplastics could be discarded in the soil to achieve complete degradation within six weeks. Owing to these characteristics, the novel starch-based bioplastics are good alternatives used to replace traditional petroleum-based plastics and have great development prospects.
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Affiliation(s)
- Di Xie
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China
| | - Rui Zhang
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China
| | - Congcong Zhang
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China
| | - Siwen Yang
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China
| | - Zesheng Xu
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China
| | - Yongming Song
- Key Laboratory of Bio-based Material Science and Technology (Ministry of Education), Northeast Forestry University, Harbin, Heilongjiang 150040, PR China.
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12
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Abed RMM, Al-Hinai M, Al-Balushi Y, Haider L, Muthukrishnan T, Rinner U. Degradation of starch-based bioplastic bags in the pelagic and benthic zones of the Gulf of Oman. MARINE POLLUTION BULLETIN 2023; 195:115496. [PMID: 37703633 DOI: 10.1016/j.marpolbul.2023.115496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 08/21/2023] [Accepted: 09/02/2023] [Indexed: 09/15/2023]
Abstract
The Gulf of Oman is becoming increasingly polluted with plastics, hence bioplastics have been considered 'a substitute', although their biodegradability in marine environments has not been well investigated. Most research has been performed on cellulose-based bioplastics, whereas starch-based bioplastics have proven to be a suitable, but less researched, alternative. This study is the first of its kind designed to investigate the degradability of two different types of starch-based bioplastic bags, available in the market and labeled as "biodegradable", in the pelagic and benthic zones of one of the warmest marine environment in the world. Fourier-Transform Infrared Spectroscopy (FTIR) showed a clear reduction in the presence of OH, CH, and CO in the bioplastic bags after 5 weeks of immersion. Thermo-Gravimetric Analysis (TGA) indicated degradation of glycerol, starch, and polyethylene. The biofouling bacterial communities on bioplastic surfaces showed distinct grouping based on the immersion zone. Candidaatus saccharibacteria, Verrucomicrobiae, Acidimicrobiia and Planctomycetia sequences were only detectable on bioplastics in the pelagic zone, whereas Actinomyces, Pseudomonas, Sphingobium and Acinetobacter related sequences were only found on bioplastics in the benthic layer. We conclude that starch-based bioplastics are more readily degradable in the Gulf of Oman than conventional plastics, hence could serve as a better environmentally friendly alternative.
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Affiliation(s)
- Raeid M M Abed
- Biology Department, College of Science, Sultan Qaboos University, P. O. Box: 36, PC 123 Al Khoud, Sultanate of Oman.
| | - Mahmood Al-Hinai
- Biology Department, College of Science, Sultan Qaboos University, P. O. Box: 36, PC 123 Al Khoud, Sultanate of Oman
| | - Yasmin Al-Balushi
- Biology Department, College of Science, Sultan Qaboos University, P. O. Box: 36, PC 123 Al Khoud, Sultanate of Oman
| | - Lorenz Haider
- Institute of Applied Chemistry, IMC University of Applied Sciences Krems, Piaristengasse 1, 3500 Krems, Austria
| | - Thirumahal Muthukrishnan
- Department of Chemical Engineering and Applied Chemistry, University of Toronto, Ontario M5S 3E5, Canada
| | - Uwe Rinner
- Institute of Applied Chemistry, IMC University of Applied Sciences Krems, Piaristengasse 1, 3500 Krems, Austria
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13
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Kong U, Mohammad Rawi NF, Tay GS. The Potential Applications of Reinforced Bioplastics in Various Industries: A Review. Polymers (Basel) 2023; 15:polym15102399. [PMID: 37242974 DOI: 10.3390/polym15102399] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/27/2023] [Accepted: 04/28/2023] [Indexed: 05/28/2023] Open
Abstract
The introduction of bioplastics has been an evolution for plastic industry since conventional plastics have been claimed to cause several environmental issues. Apart from its biodegradability, one of the advantages can be identified of using bioplastic is that they are produced by renewal resources as the raw materials for synthesis. Nevertheless, bioplastics can be classified into two types, which are biodegradable and non-biodegradable, depending on the type of plastic that is produced. Although some of the bioplastics are non-biodegradable, the usage of biomass in synthesising the bioplastics helps in preserving non-renewable resources, which are petrochemical, in producing conventional plastics. However, the mechanical strength of bioplastic still has room for improvement as compared to conventional plastics, which is believed to limit its application. Ideally, bioplastics need to be reinforced for improving their performance and properties to serve their application. Before 21st century, synthetic reinforcement has been used to reinforce conventional plastic to achieve its desire properties to serve its application, such as glass fiber. Owing to several issues, the trend has been diversified to utilise natural resources as reinforcements. There are several industries that have started to use reinforced bioplastic, and this article focuses on the advantages of using reinforced bioplastic in various industries and its limitations. Therefore, this article aims to study the trend of reinforced bioplastic applications and the potential applications of reinforced bioplastics in various industries.
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Affiliation(s)
- Uwei Kong
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, USM, Gelugor 11800, Penang, Malaysia
| | - Nurul Fazita Mohammad Rawi
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, USM, Gelugor 11800, Penang, Malaysia
- Green Biopolymer, Coatings & Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, USM, Gelugor 11800, Penang, Malaysia
| | - Guan Seng Tay
- Bioresource Technology Division, School of Industrial Technology, Universiti Sains Malaysia, USM, Gelugor 11800, Penang, Malaysia
- Green Biopolymer, Coatings & Packaging Cluster, School of Industrial Technology, Universiti Sains Malaysia, USM, Gelugor 11800, Penang, Malaysia
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14
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Trindade LRD, Baião DDS, da Silva DVT, Almeida CC, Pauli FP, Ferreira VF, Conte-Junior CA, Paschoalin VMF. Microencapsulated and Ready-to-Eat Beetroot Soup: A Stable and Attractive Formulation Enriched in Nitrate, Betalains and Minerals. Foods 2023; 12:foods12071497. [PMID: 37048318 PMCID: PMC10093833 DOI: 10.3390/foods12071497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/19/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023] Open
Abstract
Beetroot is a tuber rich in antioxidant compounds, i.e., betanin and saponins, and is one of the main sources of dietary nitrate. The aim of the present study was to microencapsulate a ready-to-eat beetroot soup by lyophilization using different encapsulating agents, which supply the required amount of bioactive nutrients. Particle size distributions ranged from 7.94 ± 1.74 to 245.66 ± 2.31 µm for beetroot soup in starch and from 30.56 ± 1.66 to 636.34 ± 2.04 µm in maltodextrin. Microparticle yields of powdered beetroot soup in starch varied from 77.68% to 88.91%, and in maltodextrin from 75.01% to 80.25%. The NO3− and total betalain contents at a 1:2 ratio were 10.46 ± 0.22 mmol·100 g−1 fresh weight basis and 219.7 ± 4.92 mg·g−1 in starch powdered beetroot soup and 8.43 ± 0.09 mmol·100 g−1 fresh weight basis and 223.9 ± 4.21 mg·g−1 in maltodextrin powdered beetroot soup. Six distinct minerals were identified and quantified in beetroot soups, namely Na, K, Mg, Mn, Zn and P. Beetroot soup microencapsulated in starch or maltodextrin complied with microbiological quality guidelines for consumption, with good acceptance and purchase intention throughout 90 days of storage. Microencapsulated beetroot soup may, thus, comprise a novel attractive strategy to offer high contents of bioaccessible dietary nitrate and antioxidant compounds that may aid in the improvement of vascular-protective effects.
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Affiliation(s)
- Lucileno Rodrigues da Trindade
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitria, Rio de Janeiro 21941-909, Brazil
| | - Diego dos Santos Baião
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Chemistry (PGQu), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, Brazil
| | - Davi Vieira Teixeira da Silva
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Chemistry (PGQu), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, Brazil
| | - Cristine Couto Almeida
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Chemistry (PGQu), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, Brazil
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitaria, Rio de Janeiro 21941-598, Brazil
| | - Fernanda Petzold Pauli
- Institute of Chemistry (IQ), Fluminense Federal University, R. Dr. Mario Vianna, 523, Niterói 24210-141, Brazil
| | - Vitor Francisco Ferreira
- Institute of Chemistry (IQ), Fluminense Federal University, R. Dr. Mario Vianna, 523, Niterói 24210-141, Brazil
| | - Carlos Adam Conte-Junior
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Chemistry (PGQu), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, Brazil
- Center for Food Analysis (NAL), Technological Development Support Laboratory (LADETEC), Federal University of Rio de Janeiro (UFRJ), Cidade Universitaria, Rio de Janeiro 21941-598, Brazil
| | - Vania Margaret Flosi Paschoalin
- Laboratory of Advanced Analysis in Biochemistry and Molecular Biology (LAABBM), Department of Biochemistry, Chemistry Institute, Federal University of Rio de Janeiro (UFRJ), Avenida Athos da Silveira Ramos 149, Cidade Universitaria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Food Science (PPGCAL), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitria, Rio de Janeiro 21941-909, Brazil
- Graduate Studies in Chemistry (PGQu), Institute of Chemistry (IQ), Federal University of Rio de Janeiro (UFRJ), Cidade Universitária, Rio de Janeiro 21941-909, Brazil
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15
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Picos-Corrales LA, Morales-Burgos AM, Ruelas-Leyva JP, Crini G, García-Armenta E, Jimenez-Lam SA, Ayón-Reyna LE, Rocha-Alonzo F, Calderón-Zamora L, Osuna-Martínez U, Calderón-Castro A, De-Paz-Arroyo G, Inzunza-Camacho LN. Chitosan as an Outstanding Polysaccharide Improving Health-Commodities of Humans and Environmental Protection. Polymers (Basel) 2023; 15:polym15030526. [PMID: 36771826 PMCID: PMC9920095 DOI: 10.3390/polym15030526] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/13/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023] Open
Abstract
Public health, production and preservation of food, development of environmentally friendly (cosmeto-)textiles and plastics, synthesis processes using green technology, and improvement of water quality, among other domains, can be controlled with the help of chitosan. It has been demonstrated that this biopolymer exhibits advantageous properties, such as biocompatibility, biodegradability, antimicrobial effect, mucoadhesive properties, film-forming capacity, elicitor of plant defenses, coagulant-flocculant ability, synergistic effect and adjuvant along with other substances and materials. In part, its versatility is attributed to the presence of ionizable and reactive primary amino groups that provide strong chemical interactions with small inorganic and organic substances, macromolecules, ions, and cell membranes/walls. Hence, chitosan has been used either to create new materials or to modify the properties of conventional materials applied on an industrial scale. Considering the relevance of strategic topics around the world, this review integrates recent studies and key background information constructed by different researchers designing chitosan-based materials with potential applications in the aforementioned concerns.
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Affiliation(s)
- Lorenzo A. Picos-Corrales
- Facultad de Ingeniería Culiacán, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Ana M. Morales-Burgos
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Jose P. Ruelas-Leyva
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
- Correspondence: (L.A.P.-C.); (A.M.M.-B.); (J.P.R.-L.)
| | - Grégorio Crini
- Laboratoire Chrono-Environnement, UMR 6249, UFR Sciences et Techniques, Université de Franche-Comté, 16 Route de Gray, 25000 Besançon, France
| | - Evangelina García-Armenta
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Sergio A. Jimenez-Lam
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Lidia E. Ayón-Reyna
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Fernando Rocha-Alonzo
- Departamento de Ciencias Químico Biológicas, Universidad de Sonora, Hermosillo 83000, Sonora, Mexico
| | - Loranda Calderón-Zamora
- Facultad de Biología, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Ulises Osuna-Martínez
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Abraham Calderón-Castro
- Facultad de Ciencias Químico Biológicas, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Gonzalo De-Paz-Arroyo
- Facultad de Ingeniería Culiacán, Universidad Autónoma de Sinaloa, Ciudad Universitaria, Culiacán 80013, Sinaloa, Mexico
| | - Levy N. Inzunza-Camacho
- Unidad Académica Preparatoria Hermanos Flores Magón, Universidad Autónoma de Sinaloa, Culiacán 80000, Sinaloa, Mexico
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16
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Enhancing the Thermo-Mechanical Properties of Thermoplastic Starch Films Using Rice Straw Fibers as Reinforcement. CHEMISTRY AFRICA 2023. [DOI: 10.1007/s42250-023-00584-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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17
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Zhou Y, He Y, Lin X, Feng Y, Liu M. Sustainable, High-Performance, and Biodegradable Plastics Made from Chitin. ACS APPLIED MATERIALS & INTERFACES 2022; 14:46980-46993. [PMID: 36201725 DOI: 10.1021/acsami.2c12764] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
A high-performance biodegradable plastic was made from a chitin KOH/urea solution. The solution was transferred into a hydrogel by cross-linking using epichlorohydrin and ethanol immersion, and a chitin bioplastic was finally prepared by drying in a mold at 40 °C. The solution concentration positively impacts viscosity, crystallinity, and smoothness. A 4% chitin bioplastic exhibits high barrier properties, flame retardancy, high-temperature resistance, mechanical properties (tensile strength up to 107.1 MPa), and soil degradation properties. The chitin bioplastic can be completely degraded by microorganisms in 7 weeks. In addition, biosafety tests suggest that chitin is safe for cells and crops (wheat and mung beans). The chitin bioplastic was further applied to containers, straws, cups, and photoprotection, and it was found that the water resistance and transparency were comparable to those of commercial polypropylene plastics. Due to the excellent performance, safety, and sustainability of the chitin bioplastic, it is expected to become a good substitute for conventional fossil fuel-based plastics.
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Affiliation(s)
- Youquan Zhou
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou511443, P. R. China
| | - Yunqing He
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou511443, P. R. China
| | - Xiaoying Lin
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou511443, P. R. China
| | - Yue Feng
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou511443, P. R. China
| | - Mingxian Liu
- Department of Materials Science and Engineering, College of Chemistry and Materials Science, Jinan University, Guangzhou511443, P. R. China
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18
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Janik W, Nowotarski M, Shyntum DY, Banaś A, Krukiewicz K, Kudła S, Dudek G. Antibacterial and Biodegradable Polysaccharide-Based Films for Food Packaging Applications: Comparative Study. MATERIALS 2022; 15:ma15093236. [PMID: 35591570 PMCID: PMC9103775 DOI: 10.3390/ma15093236] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/25/2022] [Accepted: 04/27/2022] [Indexed: 12/10/2022]
Abstract
One of the major objectives of food industry is to develop low-cost biodegradable food packaging films with optimal physicochemical properties, allowing for their large-scale production and providing a variety of applications. To meet the expectations of food industry, we have fabricated a series of solution-cast films based on common biodegradable polysaccharides (starch, chitosan and alginate) to be used in food packaging applications. Selected biopolymers were modified by the addition of glycerol and oxidized sucrose (starch), glycerol (chitosan), and glycerol and calcium chloride (alginate), as well as being used to form blends (starch/chitosan and starch/alginate, respectively). A chestnut extract was used to provide antibacterial properties to the preformed materials. The results of our studies showed that each modification reduced the hydrophilic nature of the polymers, making them more suitable for food packaging applications. In addition, all films exhibited much higher barrier properties to oxygen and carbon dioxide than commercially available films, such as polylactic acid, as well as exhibiting antimicrobial properties against model Gram-negative and Gram-positive bacteria (Escherichia coli and Staphylococcus epidermidis, respectively), as well as yeast (Candida albicans).
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Affiliation(s)
- Weronika Janik
- Łukasiewicz Research Network—The Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland;
- Department of Physical Chemistry and Technology of Polymers, PhD School, Silesian University of Technology, 2a Akademicka Str., 44-100 Gliwice, Poland
- Correspondence: ; Tel.: +48-77-487-31-87
| | - Michał Nowotarski
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland; (M.N.); (A.B.); (K.K.); (G.D.)
| | - Divine Yutefar Shyntum
- Biotechnology Centre, Silesian University of Technology, B. Krzywoustego 8, 44-100 Gliwice, Poland;
| | - Angelika Banaś
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland; (M.N.); (A.B.); (K.K.); (G.D.)
| | - Katarzyna Krukiewicz
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland; (M.N.); (A.B.); (K.K.); (G.D.)
| | - Stanisław Kudła
- Łukasiewicz Research Network—The Institute of Heavy Organic Synthesis “Blachownia”, Energetyków 9, 47-225 Kędzierzyn-Koźle, Poland;
| | - Gabriela Dudek
- Department of Physical Chemistry and Technology of Polymers, Faculty of Chemistry, Silesian University of Technology, Strzody 9, 44-100 Gliwice, Poland; (M.N.); (A.B.); (K.K.); (G.D.)
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