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Technological Application of Tannin-Based Extracts.
Maria Fraga-Corral1,2, Paula García-Oliveira1, Antia G Pereira1,2
1Nutrition and Bromatology Group, Analytical and Food Chemistry Department, Faculty of Food Science and Technology, University of Vigo, Ourense Campus, E-32004 Ourense, Spain.
Molecules (Basel, Switzerland)
|February 6, 2020
Summary
This review explores natural tannins as safe, eco-friendly alternatives to harmful synthetic compounds in industrial applications. It covers tannin sources, green extraction methods, and diverse uses, promoting sustainable technology.
Area of Science:
- Biomaterials Science
- Green Chemistry
- Industrial Biotechnology
Background:
- Tannins, natural polyphenols, have historical uses but industrial modifications often involve harmful additives like formaldehyde.
- Synthetic alternatives to tannins pose risks to human/animal health and the environment.
- There's a growing need for safe, sustainable replacements for industrial chemicals.
Purpose of the Study:
- To provide a comprehensive overview of tannin applications in industry.
- To highlight eco-friendly extraction methods and safe modification techniques for tannins.
- To explore the potential of natural tannins as sustainable industrial materials.
Main Methods:
- Literature review of tannin sources, extraction techniques, and industrial applications.
- Analysis of traditional vs. modern tannin modification processes.
- Evaluation of environmental and health impacts of synthetic vs. natural tannins.
Main Results:
- Tannins can be sourced from diverse renewable resources.
- Cost-efficient and eco-friendly extraction methods for tannins have been developed.
- Isolated tannins have diverse applications including coagulants, adhesives, dyes, and biomolecules.
Conclusions:
- Natural tannins offer a sustainable and safe alternative to hazardous industrial chemicals.
- Green extraction and modification of tannins enable their widespread technological application.
- Further research into tannin-based materials will drive innovation in various industries.
