Lignin as a sustainable and functional material for active food packaging applications: A review

Journal of Cleaner Production, Год журнала: 2024, Номер 469, С. 143151 - 143151

Опубликована: Июль 14, 2024

Язык: Английский

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Antioxidant and antimicrobial activities of lignin-derived products from all steam-exploded palm oil mill lignocellulosic biomass waste

Chemical and Biological Technologies in Agriculture, Год журнала: 2024, Номер 11(1)

Опубликована: Янв. 4, 2024

Abstract Background Steam explosion pretreatment has been proven to be an effective treatment for breaking down the recalcitrant character of lignin–carbohydrate complexes (LCC) in lignocellulosic biomass. This study investigated production lignin-derived products from steam-exploded palm oil mill biomass waste (POMLBW), that is, empty fruit bunches (EFB), kernel shells (KS), and fibers (KF), also known as mesocarp fibers. explosions cause lignin depolymerization, which forms various polyphenols. The low average molecular weight their antioxidant activities could potentially enhance antimicrobial activities. Methods POMLBW was with degrees severity factors ( R 0 : 4.03, 4.91, 5.12, 5.35, 5.65). Steam-exploded produces such low-molecular-weight (LML) water-soluble (WSL). Antioxidant activity evaluated using 0.5 mM 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay. Polyphenol content Folin–Ciocalteu method. agar diffusion assay Gram-positive Gram-negative bacteria, thermal characteristics were differential scanning calorimetry thermogravimetric analysis. Results WSL LML resulted high (RSA) approximately 95% 80%, 0.25 g/L EC50, where polyphenol amount 242–448 mg/g (catechin eq.) 20–117 under all conditions, respectively. had 1589–2832 Da, this condition, including RSA amounts, responsible against both Salmonella enterica, Pseudomonas aeruginosa, Escherichia coli ) Staphylococcus aureus bacteria. Additionally, properties investigations revealed glass transition temperature 80–90 °C T g), melting m 338–362 °C, start 101–128 at beginning mass loss. Conclusions These results show product potential (LML WSL) applications good resistance. Graphical

Язык: Английский

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Catalytic co-pyrolysis of coffee-grounds and waste polystyrene foam by calcium oxide in bubbling fluidized bed reactor

Renewable Energy, Год журнала: 2024, Номер 224, С. 120124 - 120124

Опубликована: Фев. 13, 2024

Язык: Английский

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Lignocellulose nanofibrils/guar gum-based ethylene scavenging composite film integrated with zeolitic imidazolate framework-8 for food packaging

International Journal of Biological Macromolecules, Год журнала: 2023, Номер 243, С. 125031 - 125031

Опубликована: Май 25, 2023

Язык: Английский

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Lignin polyphenol: From biomass to innovative food applications, and influence on gut microflora

Industrial Crops and Products, Год журнала: 2023, Номер 206, С. 117696 - 117696

Опубликована: Окт. 29, 2023

Язык: Английский

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Beyond Yield Optimization: The Impact of Organosolv Process Parameters on Lignin Structure

Macromolecular Materials and Engineering, Год журнала: 2023, Номер 308(10)

Опубликована: Май 12, 2023

Abstract When optimizing the process parameters of acidic ethanolic organosolv process, aim is usually to maximize delignification and/or lignin purity. However, such as temperature, time, ethanol and catalyst concentration, respectively, can also be used vary structural properties obtained lignin, including molecular weight ratio aliphatic versus phenolic hydroxyl groups, among others. This review particularly focuses on these influencing factors establishes a trend analysis between variation effect structure. Especially when larger data sets are available, for temperature correlations distribution depolymerization condensation reactions found, which allow direct conclusions proportion lignin's features, independent diversity biomass used. The newfound insights gained from this tailor lignins isolated specific application.

Язык: Английский

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Lignin Phosphate: A Biobased Substitute for Zinc Phosphate in Corrosion-Inhibiting Coatings

ACS Sustainable Chemistry & Engineering, Год журнала: 2024, Номер 12(20), С. 7813 - 7830

Опубликована: Май 9, 2024

Lignin, due to its availability, molecular structure, reported barrier properties, and chemical modification prospects, is gaining increasing attention for potential in biobased functional coatings. Herein, softwood kraft lignin (KL) was surface functionalized (phosphorylated), yielding phosphate (KLP) engineer a pigment assessing inhibitory properties epoxy-based anticorrosive The aim emulate the conventional inhibitive mechanism of zinc by introducing partial solubility KLP. This facilitates formation passivation layer (iron phosphate), which prerequisite inhibition at interface between metal coating when it exposed corrosive conditions. Therefore, utilization KLP as signifies an innovative approach field synthesized reacting KL with phosphorus pentoxide (P2O5) characterized using Fourier Transform Infrared Spectroscopy (FTIR) Nuclear Magnetic Resonance (NMR) spectroscopy. Subsequently, incorporated into amine-cured Bisphenol-A (BPA) epoxy (KLP-EA) dry film thickness 80 μm evaluated per industrial salt spray testing coatings (ISO 9227:2017). Furthermore, corrosion resistance KLP-EA against commercially available phosphate-based (C-EA) unmodified lignin-based (KL-EA), recognized solely mechanism. polarization test demonstrated that effectively inhibited corrosion, resulting lower Icorr values. EIS results showed higher impedance modulus (|Z|0.01 > 108 Ω·cm2), signifying exception properties. from after 1000 h exposure exhibited on par performance compared C-EA significantly superior KL-EA. Based analysis rust creep 12944–9:2018), value 1.7 ± 0.2 mm, 2.3 mm based KL-EA 1.8 C-EA. Additionally, underfilm products were analyzed X-ray Photoelectron (XPS), verified existence iron (passivating film), replicating phosphate. current research findings thus provide zinc-free alternative domain

Язык: Английский

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Water resistant paper based on natural rubber latex from Hevea brasiliensis and butyl stearate hydrophobic coating for packaging applications

Industrial Crops and Products, Год журнала: 2023, Номер 205, С. 117480 - 117480

Опубликована: Сен. 14, 2023

Язык: Английский

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Data on chemical composition of coffee husks and lignin microparticles as their extracted product

Data in Brief, Год журнала: 2023, Номер 51, С. 109781 - 109781

Опубликована: Ноя. 7, 2023

Coffee husks are an abundant and underutilized biomass waste released from coffee production. Experimental analysis showed that consisted of 39.2 ± 0.2 wt% cellulose, 12.6 0.1 hemicellulose, 23.3 Klason lignin, 2.9 0.4 acid-soluble 8.7 extractives, 9.5 ash. Moreover, different minor elements, including K, Ca, Mg, Al, Fe, Ti, S, Si, were found. Subsequently, used for the extraction lignin using alkaline treatment. As a result, microparticles formed with relatively uniform size 0.55 0.11 mm. Altogether, current article provided useful data valorization primary properties further use.

Язык: Английский

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Insights into the Chemical Structure and Antioxidant Activity of Lignin Extracted from Bamboo by Acidic Deep Eutectic Solvents

ACS Omega, Год журнала: 2024, Номер 9(39), С. 40956 - 40969

Опубликована: Сен. 19, 2024

Deep eutectic solvents (DESs) composed of choline chloride as hydrogen bond acceptors (HBAs) and six organic acids donors (HBDs) were used to extract lignin from bamboo (

Язык: Английский

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