The Discovery and Importance of Vitamins in Food
TLDR In the 20th century, researchers discovered the chemicals in food that prevent and cure diseases, leading to the development of the vitamin industry. Vitamins are classified by their solubility, with four fat-soluble vitamins and nine water-soluble vitamins, and they play a crucial role in maintaining our health and preventing deficiencies.
Timestamped Summary
00:00
Researchers in the 20th century discovered the chemicals in food that prevent and cure diseases, leading to the development of the vitamin industry.
02:20
The first vitamin to be discovered was thiamine, also known as vitamin B1, which was isolated from the bran of rice in 1910 by Japanese chemist Yumatero Suzuki.
04:18
Vitamins are classified by their solubility, with four fat-soluble vitamins and nine water-soluble vitamins, and while vitamin A is found in animal products, what is found in plants like carrots is beta-carotene, which is a pro-vitamin that can be converted to vitamin A in our bodies, with the efficiency of conversion varying greatly between individuals.
06:07
Consuming polar bear liver can lead to fatal hypervitaminosis A, and vitamin B is actually a category of 8 different water-soluble vitamins, each with their own distinct properties and sources.
07:53
Vitamin B12 is unique because it cannot be found in plants and requires artificial supplementation, and a deficiency can lead to pernicious anemia and irreversible brain and nerve damage.
09:41
Low vitamin D levels have been linked to various medical problems, while vitamin E deficiency is rare due to the prevalence of seed oils, and vitamin K deficiency affects blood coagulation.
11:24
Vitamin supplements may not be as effective as getting nutrients from food, but they also likely don't cause much harm.