What is it about?

Pullulan, GRAS-attributed microbial polysaccharide, applied as an edible active coatings that exhibited excellent shelf-life extension on fresh produce (mangoes and bananas). This promotes inter-state export of produce in safe and cost-effective manner.

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Why is it important?

Field trails using post-harvest coating methods using pullulan blended suspension demonstrated two main benefits of the technology : it's ability to retain fruit perishability and longer shelf-life. Despite high production capacity, mangoes and Bananas have yet tapped their marketing potential in global market. These technologies would become state of art fruit processing facilities in state and will strengthen linkages between farmers and exporters, which would support farmers and develop fruit processing sectors.


Writing these findings showcase dipping as optimized coating method and prolonged shelf-life of tropical fruits using pullulan blended suspension. This article also enumerated pullulan based edible films incorporated with polysaccharides and plasticisers to use them wrap-up over fresh produce in extending fruit post harvesting.

Koneru Lakshmaiah Education Foundation

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This page is a summary of: Evaluation of pullulan‐based edible active coating methods on Rastali and Chakkarakeli bananas and their shelf‐life extension parameters studies, Journal of Food Processing and Preservation, January 2020, Wiley,
DOI: 10.1111/jfpp.14378.
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