Naturally Occurring Phenolic Sources for Industrial Applications

Thébault, Marion; Pizzi, A.; Policardi, Franco

doi:10.1002/9783527827992.ch65

Cited by 3 publications

(3 citation statements)

References 143 publications

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“…Phenolic resins constitute one of the oldest thermosets with the highest tonnage consumption for industrial applications [11]. Thus, plant phenolics represent important and time-honored raw materials for innumerable industrial products, including thermoset [12] and thermoplastic [13] polymers [14,15].…”

Section: Introductionmentioning

confidence: 99%

Isolation of Cardanol Fractions from Cashew Nutshell Liquid (CNSL): A Sustainable Approach

Bhatia,

Amarnath,

Rastogi

et al. 2024

Sustainable Chemistry

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Exploring sustainable approaches to replace petroleum-based chemicals is an ongoing challenge in reducing the carbon footprint. Due to the complexity and percentage variation in nature-generated molecules, which further varies based on geographical origin and the purification protocol adopted, a better isolation strategy for individual components is required. Agrowaste from the cashew industry generates phenolic lipid (cardanol)-rich cashew nutshell liquid (CNSL) and has recently shown extensive commercial utility. Cardanol naturally exists as a mixture of three structurally different components with C15-alkylene chains: monoene, diene, and triene. The separation of these three fractions has been a bottleneck and is crucial for certain structural designs and reproducibility. Herein, we describe the gram-scale purification of cardanol into each component using flash column chromatography within the sustainability framework. The solvent used for elution is recovered and reused after each stage (up to 82%), making it a cost-effective and sustainable purification strategy. This simple purification technique replaces the alternative high-temperature vacuum distillation, which requires substantial energy consumption and poses vacuum fluctuation and maintenance challenges. Three components (monoene 42%, diene 22%, and triene 36%) were isolated with good purity and were fully characterized by 1H and 13C NMR, GC-MS, HPLC, and FTIR spectroscopy. The present work demonstrates that greener and simpler strategies pave the way for the isolation of constituents from nature-sourced biochemicals and unleash the potential of CNSL-derived fractions for high-end applications.

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Section: Introductionmentioning

confidence: 99%

Isolation of Cardanol Fractions from Cashew Nutshell Liquid (CNSL): A Sustainable Approach

Bhatia,

Amarnath,

Rastogi

et al. 2024

Sustainable Chemistry

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“…Apart from their function as cross-linkers, ellagitannins also have distinctive antioxidant and antimicrobial properties, with potential interest in medical applications. 27,28 Hydrogels derived from nature-inspired materials such as biopolymers have good biocompatibility that prevents acute inflammatory reactions, excellent moisture retention, microstructure similar to the extracellular matrix (ECM), and resemble living tissue, thus addressing limitations of synthetic and traditional wound dressing materials. 29,30 The study investigates the influence of ellagitannin on the properties of cellulose−gelatin composite hydrogels.…”

Section: ■ Introductionmentioning

confidence: 99%

“…To the best of our knowledge, the preparation of ellagitannin-functionalized hydrogels, especially in combination with cellulose microfibrils, has not been reported. Apart from their function as cross-linkers, ellagitannins also have distinctive antioxidant and antimicrobial properties, with potential interest in medical applications. , Hydrogels derived from nature-inspired materials such as biopolymers have good biocompatibility that prevents acute inflammatory reactions, excellent moisture retention, microstructure similar to the extracellular matrix (ECM), and resemble living tissue, thus addressing limitations of synthetic and traditional wound dressing materials. , …”

Section: Introductionmentioning

confidence: 99%

Integrating Cellulose Microfibrils and Ellagitannins from Rambutan Peel with Gelatin for Production of Synergistic Biobased Hydrogels

Torgbo,

Sukyai,

Sukatta

et al. 2024

Biomacromolecules

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The pursuit of renewable and eco-friendly raw materials for biobased materials is a growing field. This study utilized ellagitannin and cellulose microfibrils derived from rambutan peel waste alongside gelatin to develop eco-conscious hydrogels. The cellulose/gelatin hydrogels were formulated in two weight ratios (0.5:1 to 1:1), and the influence of gelatin on the chemical composition and rheology was studied. Composite hydrogels, functionalized with an ellagitannin-rich extract, exhibited a remarkable enhancement of up to 14-fold in compressive strength. The hydrogels also demonstrated antimicrobial properties, reducing the Staphylococcus aureus colony count within 24 h. The hydrogel, derived from rambutan peel waste, is biocompatible and could potentially be explored for biomedical applications such as drug delivery systems, and wound dressings. This suggests that it might offer significant value for sustainable materials science, although specific applications have yet to be tested.

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The future of cardanol as small giant for biobased aromatic polymers and additives

Caillol

2023

European Polymer Journal

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Naturally Occurring Phenolic Sources for Industrial Applications

Cited by 3 publications

References 143 publications

Isolation of Cardanol Fractions from Cashew Nutshell Liquid (CNSL): A Sustainable Approach

Isolation of Cardanol Fractions from Cashew Nutshell Liquid (CNSL): A Sustainable Approach

Integrating Cellulose Microfibrils and Ellagitannins from Rambutan Peel with Gelatin for Production of Synergistic Biobased Hydrogels

The future of cardanol as small giant for biobased aromatic polymers and additives

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