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Purines

Purines are amino acids, which are the building blocks of proteins. The two purines important in proteins in the body are guanine and adenine.

Some foods contain high amounts of purines, including:

  • Organ meats, such as liver, kidneys, sweetbreads, and brains.
  • Meats, including bacon, beef, pork, and lamb, and game meats such as deer or elk.
  • Anchovies, sardines, herring, mackerel, and scallops.
  • Gravy.
  • Legumes, such as dried beans and dried peas.
  • Beer.

Purines in food are broken down into uric acid. High levels of uric acid in the blood sometimes cause the deposit of uric acid crystals in a joint, such as a toe joint, or the ankle or knee. This condition is called gout and results in episodes of sharp pain in the affected joint.

Last Revised: December 9, 2010

Author: Healthwise Staff

Medical Review: Kathleen Romito, MD - Family Medicine & Stanford M. Shoor, MD - Rheumatology

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