Microbial pullulan for food, biomedicine, cosmetic, and water treatment: a review

Subbulakshmi Muthusamy; Swetha Juliet Anandharaj; P. Senthil Kumar; Yogesan Meganathan; Dai‐Viet N. Vo; Vinoth Kumar Vaidyanathan; Shanmugaprakash Muthusamy

doi:10.1007/s10311-022-01460-7

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Microbial pullulan for food, biomedicine, cosmetic, and water treatment: a review

Environmental Chemistry Letters 2022 23 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.

Subbulakshmi Muthusamy, Swetha Juliet Anandharaj, P. Senthil Kumar, Yogesan Meganathan, Dai‐Viet N. Vo, Vinoth Kumar Vaidyanathan, Shanmugaprakash Muthusamy

Summary

Pullulan biopolymer as a biodegradable alternative to microplastic-generating synthetic packaging.

Most fossil fuel-derived polymers used for food packaging are non-biodegradable and induce pollution by microplastic, calling for safer material. Here we review microbial production and applications of pullulan, a unique biopolymer produced by fermentation of agro-residues, using a strain named Aureobasidium pullulan. Chemically modified pullulan is widely used in food, pharmaceuticals, biomedical, and cosmetics. Compared to conventional polymers, pullulan increases the tensile strength 6–37-folds and increases the bioadhesion time 72–120-folds. Pullulan has been recently produced from agro-based waste with yields as high as 58-69 g/L.

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