Waste to Wealth: Polyhydroxyalkanoates (PHA) Production from Food Waste for a Sustainable Packaging Paradigm

Overview

Journal Food Chem (Oxf)

Specialty Biochemistry

Date 2024 Nov 5

PMID 39497731

Authors

Heri Septya Kusuma

Atna Sabita

Najla Anira Putri

Nadhira Azliza

Nafisa Illiyanasafa

Handoko Darmokoesoemo

Andrew Nosakhare Amenaghawon

Tonni Agustiono Kurniawan

Affiliations

Soon will be listed here.

Abstract

The growing demand for sustainable food packaging and the increasing concerns regarding environmental pollution have driven interest in biodegradable materials. This paper presents an in-depth review of the production of Polyhydroxyalkanoates (PHA), a biodegradable polymer, from food waste. PHA-based bioplastics, particularly when derived from low-cost carbon sources such as volatile fatty acids (VFAs) and waste oils, offer a promising solution for reducing plastic waste and enhancing food packaging sustainability. Through optimization of microbial fermentation processes, PHA production can achieve significant efficiency improvements, with yields reaching up to 87 % PHA content under ideal conditions. This review highlights the technical advancements in using PHA for food packaging, emphasizing its biodegradability, biocompatibility, and potential to serve as a biodegradable alternative to petroleum-based plastics. However, challenges such as high production costs, mechanical limitations, and the need for scalability remain barriers to industrial adoption. The future of PHA in food packaging hinges on overcoming these challenges through further research and innovation in production techniques, material properties, and cost reduction strategies, along with necessary legislative support to promote widespread use.

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