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Macronutrients – Lipids

Monounsaturated Fatty Acid

A fatty acid with one double bond, liquid at room temperature, known for cardiovascular benefits.

Definition

A monounsaturated fatty acid (MUFA) is an unsaturated fatty acid containing exactly one double bond in its carbon chain.

How it works

Monounsaturated fatty acids (MUFAs) have a single double bond in their carbon chain, which creates one 'kink' in the molecular structure. Oleic acid, the most abundant MUFA, comprises about 70% of olive oil and is central to the Mediterranean diet's health benefits. Unlike polyunsaturated fats, MUFAs are relatively stable and don't oxidize easily during cooking. They are particularly effective at improving cholesterol profiles by raising HDL (good) cholesterol while lowering LDL (bad) cholesterol. Foods rich in MUFAs are generally recognized as some of the healthiest fat sources available.

Role

Monounsaturated fats improve cholesterol levels, support cardiovascular health, and reduce inflammation.

Examples

  • Olive oil
  • Avocado
  • Macadamia nuts
  • Almonds
  • Cashews
  • Peanuts
  • Sesame oil

Recommendations

Include MUFA-rich foods as your primary fat source, aiming for 10-15% of daily calories from MUFAs. Extra virgin olive oil should be used regularly for salads and low-heat cooking. Incorporate avocados and nuts as convenient MUFA sources.

Key takeaway

Monounsaturated fats are among the healthiest dietary fats, particularly effective at improving cholesterol and cardiovascular health.

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