本ページはプロモーションが含まれています
Japanese page
Characteristics of nutrients
- Fat-soluble vitamin
- For vegetable foods, provitamin D 2
(It changes to vitamin D 2 by exposure to ultraviolet rays) - For animal foods, provitamin D 3
(It changes to vitamin D 3 by exposure to ultraviolet rays)
Function of nutrients
- Maintain normal calcium concentration in blood
- Help calcium deposit on bone
When nutrients are deficient
- Because it is generated by ultraviolet rays, there is no worry of deficiency
- Osteoporosis, osteomalacia
- Teeth wobble, lower jaw bones weaken
When nutrients overdose
- There is no intake of excessive vitamin D in normal diet
- Please be careful of overdose due to “supplements”
- Hypercalcemia (blood calcium concentration rises)
Renal dysfunction
Anorexia, vomiting, polyuria etc.
Food that contains a lot of Vitamin D
Foodstuff | Ingredient per 100g (㎍) |
anglerfish- liver | 110 |
jews-ear | 85.4 |
boiled and dried whitebait | 61.0 |
japanese-sand-lance | 54.0 |
sheet of dried whitebait | 50.0 |
Pacific herring | 50.0 |
Sujiko | 47.0 |
Ikura | 44.0 |
leatherfish | 43.0 |
salmon and trout | 39.4 |
sockeye salmon | 38.4 |
Karasumi | 33.0 |
Summary
- Fat soluble vitamins → accumulated in the body
- Vitamin D2 and D3 become vitamin D in the body
- Work → Increase absorption of calcium and phosphorus
- Simultaneous intake with calcium and phosphorus is desirable
- Beware of overdose due to supplements