Journal
MOLECULES
Volume 28, Issue 18, Pages -Publisher
MDPI
DOI: 10.3390/molecules28186470
Keywords
lignin; nanomaterial; food applications; bioactive molecules; polyphenol
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The shift to an environmentally friendly material economy requires exploring renewable resources, and lignin valorization plays a crucial role in this transition. Lignin, as a renewable polymer, has great potential for various applications but is currently underutilized. This perspective paper focuses on the prospects and challenges of lignin-based materials in food packaging, antimicrobial, and agricultural applications.
The shift to an environmentally friendly material economy requires renewable resource exploration. This shift may depend on lignin valorization. Lignin is an aromatic polymer that makes up one-third of total lingo-cellulosic biomass and is separated into large amounts for biofuel and paper manufacture. This renewable polymer is readily available at a very low cost as nearly all the lignin that is produced each year (90-100 million tons) is simply burned as a low-value fuel. Lignin offers potential qualities for many applications, and yet it is underutilized. This Perspective highlights lignin-based material prospects and problems in food packaging, antimicrobial, and agricultural applications. The first half will discuss the present and future studies on exploiting lignin as an addition to improve food packaging's mechanical, gas, UV, bioactive molecules, polyphenols, and antioxidant qualities. Second, lignin's antibacterial activity against bacteria, fungi, and viruses will be discussed. In conclusion, lignin agriculture will be discussed in the food industries.
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