DMK40133 chapter 1

What is anisidine value?

• To measure rancidity of oil

• To detect rancidity of oil

• To measure level of oxidation stage

• All of above

Anisidine value measures the oil sample that has undergone tertiary stage oxidation

• True

• False

What is the secondary oxidation stage product?

• Dienes

• Peroxides

• Aldehydes

Which one does not contributing factor to oil rancidity?

• Heat

• Light

• Water

• Oxygen

Oxidation is an undesirable series of chemical reactions in oil that degrades its quality and value

• True

• False

Which oil characteristic changes are less obvious during the oxidation process?

• Colour

• Rancid smell and taste

• Degradation of vitamins and essential fatty acids

Basic components of UV/Vis spectrophotometer except

• Source of radiation

• Detector

• Amplifier

• Detector

Instrument to be used to analyze anisidine value?

• 
• 
• 
• 

Below are oxidation inhibitors except

• Beta Hydroxy Acid (BHA)

• Squalene

• Tocopherol

• Butylated Hydroxyl Toluene (BHT)