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Area of Science:

  • Agricultural Science
  • Food Science
  • Microbiology

Background:

  • Aflatoxin contamination in maize poses significant health and economic risks.
  • Existing biological control methods often rely on food-grade grains, straining supply.

Purpose of the Study:

  • To develop a macroporous starch polymer as a carrier for biocontrol agents.
  • To assess the efficacy of this new formulation against aflatoxin contamination in maize.

Main Methods:

  • Testing various starch sources and formulation compositions.
  • Field trials comparing the starch-based formulation with a rice-based control.
  • Evaluating aflatoxin reduction in maize kernels.

Main Results:

  • An optimal formulation using maize starch, citric acid, sucrose, and urea was identified.
  • The starch-based bioformulate reduced aflatoxin accumulation by up to 81% in field trials.
  • Performance was comparable to traditional rice-based formulations.

Conclusions:

  • The macroporous starch polymer is an effective carrier for biocontrol agents against aflatoxins.
  • This innovation reduces reliance on food-grade grains, improving substrate availability for food and feed.
  • The development contributes to enhanced food safety and security.