Amino acid metabolism mnemonic

Amino acids accumulating in maple syrup urine disease

The mnemonic

Maple syrup has three branches: Leu, Ile, Val

What each word stands for

  • LeuLeucine
  • IleIsoleucine
  • ValValine

Why it matters clinically

Sweet-smelling urine, poor feeding and encephalopathy in neonates need early dietary restriction.

Where it stops being reliable

It tells you which amino acids, not the enzyme (branched-chain alpha-ketoacid dehydrogenase) or the cofactor thiamine.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Amino acid metabolism mnemonic?

Maple syrup has three branches: Leu, Ile, Val. It helps you recall: Amino acids accumulating in maple syrup urine disease.

What does "Leu" stand for?

Leucine

What does "Ile" stand for?

Isoleucine

What does "Val" stand for?

Valine

What are all the parts of the Maple syrup has three branches: Leu, Ile, Val mnemonic?

Leu: Leucine; Ile: Isoleucine; Val: Valine.

Which topic does this mnemonic belong to?

It belongs to Amino acid metabolism in Biochemistry.

Where does this mnemonic stop being reliable?

It tells you which amino acids, not the enzyme (branched-chain alpha-ketoacid dehydrogenase) or the cofactor thiamine.

How is this useful clinically?

Sweet-smelling urine, poor feeding and encephalopathy in neonates need early dietary restriction.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a Biochemistry question about Amino acid metabolism.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.