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Multifunctional Bio-Nanocomposite Coatings for Perishable Fruits - PubMed

. 2020 Jul;32(26):e1908291.

doi: 10.1002/adma.201908291. Epub 2020 May 4.

Yufei Cui², Morgan Barnes¹, Chinmay Satam³, Shenxiang Zhang⁴, Reaz A Chowdhury⁵, Aparna Adumbumkulath¹, Onur Sahin¹, Corwin Miller⁶, Seyed M Sajadi¹, Lucas M Sassi¹, Yue Ji³, Matthew R Bennett⁶, Miao Yu⁴, Jefferson Friguglietti⁷, Fatima A Merchant⁷, Rafael Verduzco⁸, Soumyabrata Roy¹, Robert Vajtai¹, J Carson Meredith³, Jeffrey P Youngblood⁵, Nikhil Koratkar⁹, Muhammad M Rahman¹, Pulickel M Ajayan¹

Affiliations

PMID: 32363647
DOI: 10.1002/adma.201908291

Multifunctional Bio-Nanocomposite Coatings for Perishable Fruits

Seohui Jung et al. Adv Mater. 2020 Jul.

Abstract

Hunger and chronic undernourishment impact over 800 million people, which translates to ≈10.7% of the world's population. While countries are increasingly making efforts to reduce poverty and hunger by pursuing sustainable energy and agricultural practices, a third of the food produced around the globe still is wasted and never consumed. Reducing food shortages is vital in this effort and is often addressed by the development of genetically modified produce or chemical additives and inedible coatings, which create additional health and environmental concerns. Herein, a multifunctional bio-nanocomposite comprised largely of egg-derived polymers and cellulose nanomaterials as a conformal coating onto fresh produce that slows down food decay by retarding ripening, dehydration, and microbial invasion is reported. The coating is edible, washable, and made from readily available inexpensive or waste materials, which makes it a promising economic alternative to commercially available fruit coatings and a solution to combat food wastage that is rampant in the world.

Keywords: cellulose nanocrystals; food preservation; nanocomposites; poly(albumen).

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