Question : Iodine value is used to estimate
Option 1: Hydroxyl groups in oil
Option 2: Alkali content in oil
Option 3: Unsaturation in oil
Option 4: The carboxylic group in the oil
Correct Answer: Unsaturation in oil
Solution : The correct option is Unsaturation in oil.
The iodine value is a method of estimating the degree of unsaturation in oils and fats. A higher iodine value suggests a higher amount of unsaturation, which means the fatty acids have more double bonds between carbon atoms. This information is critical in establishing the oil's oxidation susceptibility, which can impact its shelf life and nutritional quality.
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