ArticleMolecules (Basel, Switzerland)2018
Quantification and Variability Analysis of Lignin Optical Properties for Colour-Dependent Industrial Applications.
Article in Molecules (Basel, Switzerland), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 78 citations in OpenAlex.
- Antimicrobial activity of lignin from grape stalks: investigating the effect of different formulations.World journal of microbiology & biotechnology · 2026Article
- From Grape Stalks to Lignin Nanoparticles: A Study on Extraction Scale-Up, Solubility Enhancement and Green Nanoparticle Production.Foods (Basel, Switzerland) · 2025Article
- Sugarcane Light-Colored Lignin: A Renewable Resource for Sustainable Beauty.International journal of molecular sciences · 2023Article
- Improving the Optical Properties and Filler Content of White Top Testliners by Using a Size Press.ACS omega · 2023Article
- Valorisation of Underutilized Grass Fibre (Stem) as a Potential Material for Paper Production.Polymers · 2022Article
- Synthesis and Characterization of Thermally Stable Lignosulfonamides.Molecules (Basel, Switzerland) · 2022Article
- Comparative Preparation Method and Associated Cost of Lignin-Cellulose Nanocrystals.Nanomaterials (Basel, Switzerland) · 2022Article
- Ambient-pressure lignin valorization to high-performance polymers by intensified reductive catalytic deconstruction.Science advances · 2022Article
- Review
- Reversible Dual-Stimuli-Responsive Chromic Transparent Wood Biocomposites for Smart Window Applications.ACS applied materials & interfaces · 2021Article
- Article
- Preparation and Application of Light-Colored Lignin Nanoparticles for Broad-Spectrum Sunscreens.Polymers · 2020Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Lignin availability has increased significantly due to the commercialization of several processes for recovery and further development of alternatives for integration into Kraft pulp mills. Also, progress in lignin characterization, understanding of its chemistry as well as processing methods have resulted in the identification of novel lignin-based products and potential derivatives, which can serve as building block chemicals. However, all these have not led to the successful commercialization of lignin-based chemicals and materials. This is because most analyses and characterizations focus only on the technical suitability and quantify only the composition, functional groups present, size and morphology. Optical properties, such as the colour, which influences the uptake by users for diverse applications, are neither taken into consideration nor analysed. This paper investigates the quantification of lignin optical properties and how they can be influenced by process operating conditions. Lignin extraction conditions were also successfully correlated to the powder colour. About 120 lignin samples were collected and the variability of their colours quantified with the CIE L*a*b* colour space. In addition, a robust and reproducible colour measurement method was developed. This work lays the foundation for identifying chromophore molecules in lignin, as a step towards correlating the colour to the functional groups and the purity.
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