Presence of maximum amount of fluoride

The maximum amount of fluoride is present in:

A. Tea 
B. Sea fish 
C. Pineapple 
D. Olive oil

Answer. A. Tea.

• Tea as the richest source of Fluoride, read the following discussion to draw your inference-

• Fluoride is rapidly released into Tea infusions, most of it within 5 to 10 minutes.

• The dried tea leaves contain 100 to 400 ppm fluoride depending on the brand.

• On an average, tea leaves contain about 98 ppm fluoride.

• The ingestion of fluoride by tea drinkers is in range from 0.04 to 2.7 mg/ day.

• Tea made from instant tea powder results in twice as much fluoride in the extract as in regular brewed tea