Multiple choice

The algae considered as the original source of iodine in ancient times is

  1. Fucus spiralis

  2. Fucus vesiculosus

  3. Laminaria digitata

  4. Sargassum

  5. Chondrus crispus

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

Fucus vesiculosus was the original source of iodine, discovered in 1811. It was used extensively to treat goitre, a swelling of the thyroid gland related to iodine deficiency.

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