Solid Fat Index (SFI) is determined by

Question

Question

This question was previously asked in

ISRO Pharmacist Previous Year Question paper 2021

Answer 1

Correct Answer: Dilatometry

Rationale:

Solid Fat Index (SFI) is a measure of the solid fat content in a fat or oil at various temperatures. It is important in the food industry for determining the texture, consistency, and mouthfeel of food products.
Dilatometry is a method used to measure the volume change of a substance as a function of temperature. In the context of SFI, dilatometry measures the expansion or contraction of fat as it melts or solidifies, allowing for the determination of the solid fat content at different temperatures.

Explanation of Other Options:

Potentiometry

Rationale: Potentiometry is an analytical method used to measure the voltage of an electrochemical cell to determine the concentration of a solute. It is commonly used for pH measurement or ion concentration analysis, but it is not suitable for determining solid fat content.

Amperometric titration

Rationale: Amperometric titration involves measuring the current that flows in an electrochemical cell during a titration. This method is used to determine the endpoint of a titration by detecting changes in current, but it is not applicable for measuring solid fat content.

Voltammetry

Rationale: Voltammetry is an electrochemical method where the current response is measured as a function of an applied voltage. It is used to analyze the redox behavior of chemical species, but it does not provide information on the solid fat content in fats or oils.

Conclusion:

Among the given options, dilatometry is the appropriate method for determining the Solid Fat Index (SFI). It measures the volume changes in fats as they undergo phase transitions, providing accurate information on the solid fat content at various temperatures.