![Tonic water bottle in UV light. Tonic water contains quinine which fluoresces in ultraviolet (UV) light. Quinine is a plant alkaloid obtained from the Stock Photo - Alamy Tonic water bottle in UV light. Tonic water contains quinine which fluoresces in ultraviolet (UV) light. Quinine is a plant alkaloid obtained from the Stock Photo - Alamy](https://c8.alamy.com/comp/2ACG8ER/tonic-water-bottle-in-uv-light-tonic-water-contains-quinine-which-fluoresces-in-ultraviolet-uv-light-quinine-is-a-plant-alkaloid-obtained-from-the-2ACG8ER.jpg)
Tonic water bottle in UV light. Tonic water contains quinine which fluoresces in ultraviolet (UV) light. Quinine is a plant alkaloid obtained from the Stock Photo - Alamy
![Schweppes Indian Tonic Water | Contains Quinine | Refreshing Mixer with Bitter Taste | Recyclable Can, 300 ml (Pack of 6) : Amazon.in: Grocery & Gourmet Foods Schweppes Indian Tonic Water | Contains Quinine | Refreshing Mixer with Bitter Taste | Recyclable Can, 300 ml (Pack of 6) : Amazon.in: Grocery & Gourmet Foods](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/71sxkU-v3IL.jpg)
Schweppes Indian Tonic Water | Contains Quinine | Refreshing Mixer with Bitter Taste | Recyclable Can, 300 ml (Pack of 6) : Amazon.in: Grocery & Gourmet Foods
![Amazon.com: Seagram's Tonic Water, Contains Quinine, 12 oz. Cans, Pack of 6 : Grocery & Gourmet Food Amazon.com: Seagram's Tonic Water, Contains Quinine, 12 oz. Cans, Pack of 6 : Grocery & Gourmet Food](https://m.media-amazon.com/images/W/MEDIAX_792452-T2/images/I/61u8L5JhREL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Seagram's Tonic Water, Contains Quinine, 12 oz. Cans, Pack of 6 : Grocery & Gourmet Food
![Tonic water (A), which contains quinine ion UV radiation (B) presents... | Download Scientific Diagram Tonic water (A), which contains quinine ion UV radiation (B) presents... | Download Scientific Diagram](https://www.researchgate.net/publication/236893752/figure/fig2/AS:299282902077441@1448366012167/Tonic-water-A-which-contains-quinine-ion-UV-radiation-B-presents-fluorescence-In.png)