Fatty Acid Analysis Quiz

What is fatty acid analysis primarily used for?

• To measure protein content in food

• To characterize the lipid fraction in foods

• To determine vitamin concentrations

• To analyze carbohydrate levels

Which type of fatty acid has no double bonds?

• Saturated

• Trans

• Polyunsaturated

• Monounsaturated

What is the main component of vegetable oils?

• Waxes

• Fatty acids

• Triglycerides

• Phospholipids

Which method is commonly used for fatty acid analysis?

• Electrophoresis

• Nuclear Magnetic Resonance

• Gas Chromatography

• Mass Spectrometry

What does hydrolysis of triglycerides produce?

• Triglycerides and phospholipids

• Glycerol and waxes

• Only fatty acids

• Fatty acids and glycerol

What is the purpose of derivatization in fatty acid analysis?

• To eliminate all fatty acids

• To enhance color detection

• To increase volatility of sample

• To reduce sample size

Which detector is commonly used in gas chromatography for fatty acid analysis?

• Conductivity detector

• UV detector

• Refractive index detector

• Flame ionized detector

Which fatty acid is known for its health benefits and is found in fish oil?

• Stearic acid

• Butyric acid

• Palmitic acid

• Eicosapentaenoic acid (EPA)

What is a drawback of the conventional method for FFA analysis?

• It does not identify the profile of FFAs

• It uses no organic solvents

• It requires small sample sizes

• It is very quick