quinine

Everyday

1. Quinine is a bitter medicine made from the bark of the cinchona tree from South America, used for a long time to treat malaria. tree →
2. Quinine gives tonic water its bitter taste. tree →

In the lessons

In science and history lessons it shows medicine coming from plants: Quechua healers in the Andes knew about cinchona bark, and later quinine helped people fight malaria in hot countries. Today doctors use newer drugs for malaria. A fun fact: tonic water glows blue under ultraviolet light because of the quinine. Phrases: «quinine tablets», «tonic water with quinine».

Examples

• Quinine comes from the bark of the cinchona tree. tree →
• For hundreds of years quinine was used to treat malaria. tree →
• Tonic water tastes bitter because it contains quinine. tree →
• Under a UV lamp, tonic water glows blue because of the quinine. tree →
• Explorers carried quinine to protect themselves from malaria. tree →
• Doctors now use newer medicines for malaria. tree →
• Quinine is very bitter, so it was mixed into drinks. tree →

Note

Uncountable. UK says «KWIN-een», US often «KWY-nine». Medicine should only be taken as a doctor says: tonic water does not prevent malaria.