diff --git a/education/nutrition/Vitamins.md b/education/nutrition/Vitamins.md index c0cdecd..643ca90 100644 --- a/education/nutrition/Vitamins.md +++ b/education/nutrition/Vitamins.md @@ -1,5 +1,29 @@ Vitamins were first discovered in 1921 -- Casamir RUnk coined the term vitamin +- Casamir Runk coined the term vitamin - Vita = life - Amine = a type of nitrogen containing substance - - The \ No newline at end of file + - The first discovered vitamin was thiamin +- There are 13 known vitamins, plus 5 vitamin like substances +- It is unlikely that any new vitamins will be discovered - (babies and sick people can live on synthetic liquid diet?) +- A vitamin is a complex organic compound that regulates certain metabolic processes + - Cannot be synthesized in sufficient quantities by the body + - Occurs naturally in foods + - Deficiency disorder occurs if substance is missing from the body + - They do not provide any energy +- Vitamins are organic, but they differ from macronutrients: + - **Not metabolized for energy** + - Present in small amounts in foods + - Required in milligram and microgram amounts +- Because vitamins are organic + - They are subject to heat degradation + - Exposure to excessive heat, alkaline substances, light, and air can destroy certain vitamins + - **Water soluble vitamins can leach out of food and dissolve in cooking water** +# Fat Soluble Vitamins +- Fat soluble vitamins are **K, A, D, E** + - Found in lipid portions of the body + - Associate with lipids in the body + - **Digested and absorbed with fats + - Stored in the body + - Can cause toxicity +# Water soluble vitamins +- Water soluble vitamins are the **B-vitamins**: thiamin, rib \ No newline at end of file