Demystifying the Fats

Caitriona Lordan

Dietitian

Saturated Fat

• 17% reduction in CVD

• No effect on risk of dying

Saturated Fat

• Different types of saturated fatty acids

• Some but not all implicated in cholesterol elevation

• Myristic, Palmitic and Lauric increase LDL cholesterol

• Stearic has no effect

Butter

• Myristic acid 12% (increases LDL)• Palmitic acid 31% (increases LDL)• Stearic acid 11% (no effect)• Other SFAs 11%• Alpha linolenic 1% (no effect)• Oleic acid 24% (decreases LDL)• Palmitoleic 4% (decreases LDL)• Linoleic 3% (decreases LDL)

Rapeseed oil

• Palmitic 4% (increases LDL)

• Stearic 2% (no effect)

• Alpha linolenic 10% (no effect)

• Oleic 61% (decreases LDL)

• Linoleic 21% (decreases LDL)

Olive oil

• Palmitic 7.5-20%(increases LDL)

• Stearic 0.5-5%(no effect)

• Alpha Linolenic 0-1.5%(no effect)

• Oleic 55-83%(decreasesLDL)

• Linoleic 3-21%(decreases LDL)

What about Coconut oil???

• Myristic 14-18% (increases LDL)

• Palmitic 7.5-9.5% (increases LDL)

• Lauric 45-48% (increases LDL)

• Stearic 5% (no effect)

• Oleic 6-8.2% (decreases LDL)

• Linoleic 1-2% (decreases LDL)

Saturated Fat

• Causes endothelial damage

• Increases platelet activity

• but Omega 3 fatty acids suppress platelet aggregation

Thank you

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