OSU Innovative Food Coating Technique

See time lapse of OSU Edible Film Coating Technology applied to bananas

Benefits of OSU Innovative Food Coating Techniques

  1. Reducing loss of fruit and wine grapes during production;
  2. Decreasing postharvest senescence and prolonging storability of fresh fruit and vegetables;
  3. Retaining bioactive compounds, quality and nutrients of thermally and non-thermally processed fruit in aqueous media

Reducing cherry cracking in the field

Extending shelf-life of postharvest pears

Retaining anthocyanins of processed fruit

Extending shelf-life of bananas


  1. US20200010710A1. Nano-cellulose compositions, coatings, and uses thereof. Inventors Y. Zhao, J. Jung, J. Simonsen. Published in Jan. 9, 2020.
  2. US20190364916A1. Food product coatings. Inventors Y. Zhao, J. Jung, J. Simonsen. Published in Dec. 5, 2019
  3. US10400128B2. Nano-cellulose edible coatings and uses thereof. Inventors Y. Zhao, J. Jung, J. Simonsen, G. Cavender, L. Fuchigami. Granted in Sept. 3, 2019.
  4. US10334863B2. Nano-cellulose coatings to prevent damage in foodstuffs. Inventors Y. Zhao, J. Jung, J. Simonsen, G. Cavender, L. Fuchigami. Granted in July 2, 2019.
  5. US9826750B2. Nano-cellulose coatings to prevent damage in foodstuffs. Inventors Y. Zhao, J. Jung, J. Simonsen, G. Cavender, L. Fuchigami. Granted in November 28, 2017.


  1. Jung, J., Cavender, G., Simonsen, J., Zhao, Y. 2015. Investigation of the mechanisms of using metal complexation and cellulose nanofiber/sodium alginate layer-by-layer coating for retaining anthocyanin pigments in thermally processed blueberries in aqueous media. Journal of Agriculture & Food Chemistry. 63 (11), 3031–3038.
  2. Jung, J, Deng, Z, Simonsen, J., Zhao, Y. 2016. Development and preliminary field validation of water-resistant cellulose nanofiber based coatings with high surface adhesion and elasticity for reducing cherry rain-cracking. Scientia Horticulturae, 200, 161-169.
  3. Deng, Z.L., Jung, J., Simonsen, J., Wang, Y, Zhao, Y. 2017. Cellulose nanocrystal reinforced chitosan coatings for improving the storability of postharvest pears under both ambient and cold storages. Journal of Food Science. 82(2), 453–462.
  4. Deng, ZL, Jung, JY, Zhao, Y. 2017. Development, characterization, and validation of chitosan adsorbed cellulose nanofiber (CNF) films as water resistant and antibacterial food contact packaging. LWT-Food Science & Technology. 83, 132–140.
  5. Deng, ZL, Jung, JY, Simonsen, J., Zhao, Y. 2017. Cellulose nanomaterials emulsion coatings for controlling physiological activity, modifying surface morphology, and enhancing storability of postharvest bananas (Musa acuminate) banana coating. Food Chemistry. 232(1), 359–368.
  6. Jung, J., Simonsen, J., Wang, W., Zhao, Y. 2018. Evaluation of consumer acceptance and quality of thermally and high hydrostatic pressure processed blueberries and cherries subjected to cellulose nanofiber (cnf) incorporated water-resistant coating treatment. Food Bioprocess Technology. 11(7), 1412–1421.
  7. Deng, ZL, Jung, JY, Simonsen, J., Zhao, Y. 2018. Cellulose nanocrystals Pickering emulsion incorporated chitosan coatings for improving storability of postharvest Bartlett pears (Pyrus communis) during long-term cold storage. Food Hydrocolloids. 84, 229-237.
  8. Jung, J., Deng, Z., Zhao, Y. 2020. Mechanisms and performance of cellulose nanocrystals Pickering emulsion chitosan coatings for reducing ethylene production and physiological disorders in postharvest ‘Bartlett’ pears (Pyrus communis L.) during cold storage. Food Chemistry. 309, 125693.
  9. Rosenbloom, R., Wang, W., Zhao, Y. 2020. Delaying ripening of ‘Bartlett’ pears (Pyrus communis) during long-term simulated industrial cold storage: Mechanisms and validation of chitosan coatings with cellulose nanocrystals Pickering emulsions. LWT-Food Science & Technology. 122, 109053.

Funding Agencies

Commercializing Entity – CapaTec, Inc.

CapaTec, Inc. works with natural products, given to us from nature, to develop technical solutions to global issues. One of the largest issues CapaTec, Inc. works on is ending world hunger. Together with Oregon State University, we strive to use the products that nature has given us to create coatings to preserve freshness in fruits and vegetables. We believe that with the right technology supplied by nature, fruit and vegetables can be shipped and distributed to the people in need helping to reduce or even stop global hunger.

At CapaTec, Inc. our belief is that nature is providing us with natural, renewable, abundant and high performance materials, that have the power to lead a material science revolution towards a green, more sustainable future. CapaTec, Inc. is continuously establishing collaborations with leading market players and institutions to develop the applications that will make our vision a reality.

* Applications of coating technology may require GRAS approval