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Applications of Starch Biopolymers for a Sustainable Modern Agriculture

Author

Listed:
  • Ashoka Gamage

    (Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Kandy 20400, Sri Lanka)

  • Anuradhi Liyanapathiranage

    (College of Family and Consumer Sciences, University of Georgia, Athens, GA 30602, USA)

  • Asanga Manamperi

    (Materials Engineering Department, California Polytechnic State University, San Luis Obispo, CA 93407, USA)

  • Chamila Gunathilake

    (Department of Chemical and Process Engineering, Faculty of Engineering, University of Peradeniya, Kandy 20400, Sri Lanka
    Department of Nano Science Technology, Faculty of Technology, Wayamba University of Sri Lanka, Kuliyapitiya 60200, Sri Lanka)

  • Sudhagar Mani

    (School of Chemical, Materials and Biomedical Engineering, University of Georgia, Athens, GA 30602, USA)

  • Othmane Merah

    (Laboratoire de Chimie Agro-Industrielle, LCA, Université de Toulouse, INRA, 31030 Toulouse, France
    Département Génie Biologique, Université Paul Sabatier, IUT A, 32000 Auch, France)

  • Terrence Madhujith

    (Department of Food Science and Technology, Faculty of Agriculture, University of Peradeniya, Kandy 20400, Sri Lanka)

Abstract

Protected cultivation in modern agriculture relies extensively on plastic-originated mulch films, nets, packaging, piping, silage, and various applications. Polyolefins synthesized from petrochemical routes are vastly consumed in plasticulture, wherein PP and PE are the dominant commodity plastics. Imposing substantial impacts on our geosphere and humankind, plastics in soil threaten food security, health, and the environment. Mismanaged plastics are not biodegradable under natural conditions and generate problematic emerging pollutants such as nano-micro plastics. Post-consumed petrochemical plastics from agriculture face many challenges in recycling and reusing due to soil contamination in fulfilling the zero waste hierarchy. Hence, biodegradable polymers from renewable sources for agricultural applications are pragmatic as mitigation. Starch is one of the most abundant biodegradable biopolymers from renewable sources; it also contains tunable thermoplastic properties suitable for diverse applications in agriculture. Functional performances of starch such as physicomechanical, barrier, and surface chemistry may be altered for extended agricultural applications. Furthermore, starch can be a multidimensional additive for plasticulture that can function as a filler, a metaphase component in blends/composites, a plasticizer, an efficient carrier for active delivery of biocides, etc. A substantial fraction of food and agricultural wastes and surpluses of starch sources are underutilized, without harnessing useful resources for agriscience. Hence, this review proposes reliable solutions from starch toward timely implementation of sustainable practices, circular economy, waste remediation, and green chemistry for plasticulture in agriscience

Suggested Citation

  • Ashoka Gamage & Anuradhi Liyanapathiranage & Asanga Manamperi & Chamila Gunathilake & Sudhagar Mani & Othmane Merah & Terrence Madhujith, 2022. "Applications of Starch Biopolymers for a Sustainable Modern Agriculture," Sustainability, MDPI, vol. 14(10), pages 1-33, May.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:10:p:6085-:d:817572
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    Cited by:

    1. Florinda Martins & Álvaro Torrinha & Cristina Delerue-Matos & Simone Morais, 2022. "Life Cycle Assessment and Life Cycle Cost of an Innovative Carbon Paper Sensor for 17α-Ethinylestradiol and Comparison with the Classical Chromatographic Method," Sustainability, MDPI, vol. 14(14), pages 1-13, July.

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