Multiple choice

The bitterness in chillies is because of

  1. a sulphur alkaloid

  2. cucurbitacin

  3. formic acid content

  4. capsicinoid/capsicin content

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Capsaicinoids (including capsaicin) are chemical compounds that produce the burning sensation and bitterness in chillies. They stimulate pain receptors in the mouth and skin, creating the sensation of heat.