Part 4/10:

The phenomenon of smoke points was explained, showing that as oil is reused and becomes more contaminated, it reaches its smoke point more quickly when heated. This releases toxic fumes containing harmful chemicals, which not only impart a burnt smell and taste but also pose health risks if inhaled or ingested over time.

Visual Indicators: Color Change

Another practical indicator identified was color change in the oil:

• Light-colored oils used 2-3 times

• Darker, more viscous oils reused over 5 times

This visual cue can help consumers and vendors alike to gauge when the oil might be too degraded for safe use.

Confronting Hawkers: A Conversation on Practices

The segment's host approached hawkers to discuss their practices after revealing lab results.