What is the maximum temperature you should not exceed when heating oil during processing?

When processing oil, it’s essential to monitor the temperature closely to maintain its quality and prevent degradation. The correct choice of 100°C or 180°F represents the maximum temperature limit for heating oil during processing. At this temperature, the risk of thermal degradation significantly increases, potentially resulting in the formation of harmful compounds, changes in flavor, and reduced nutritional value.

Oil begins to break down at higher temperatures, which can produce off-flavors and toxic substances, jeopardizing both safety and quality. The 100°C threshold is typically seen as generally safe for most oils, allowing for effective processing without compromising the integrity of the oil.

Other higher temperatures mentioned in the options can lead to more severe degradation, risking both the quality and safety of the oil, hence are not recommended for processing. Therefore, maintaining the heating temperature at or below 100°C is crucial for preserving the oil's optimal characteristics and health benefits.