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.
Foods rich in nutrients
- Grilled salmon
- Dried shiitake mushroom
- Pacific saury
- Cloud Ear Mushroom
- young of the sardine