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Orange Peels Could Revolutionize Heart Health

New research highlights the potential of orange peel extracts to reduce cardiovascular disease risk and address food waste.

A photo shows a pile of orange peels. New research found that they are actually highly beneficial to your heart health.
(Credit: Getty Images)
Lee et al. compared the inhibitory effects of orange peel polar fraction (OPP) and orange peel nonpolar fraction (OPNP) on trimethylamine (TMA) and trimethylamine N-oxide (TMAO) production in response to l-carnitine treatment in vivo and in vitro.

Overview

  • Scientists discovered feruloylputrescine in orange peel extracts, which inhibits harmful chemical production linked to heart disease.
  • Two types of orange peel extracts—polar and non-polar—were tested for their health benefits.
  • The study suggests repurposing orange peels, often discarded, into valuable dietary supplements or food ingredients.
  • Researchers aim to develop functional foods enriched with bioactive compounds from orange peels.
  • The findings offer a dual benefit: promoting heart health and reducing citrus industry waste.