Vitamin B12(ビタミンB12)





Characteristics of nutrients

  • It is mainly present in animal foods (rarely in vegetable foods)
  • Water-soluble vitamin
  • Oxidized by light and air
  • Called “vitamins of hematopoiesis”
  • Helps to synthesize hemoglobin
  • It is based on the synthesis of amino acids together with folic acid
  • Attention when the stomach is weak because it is absorbed together with the secretory substance of the stomach

 

Function of nutrients

  • Prevention of malignant anemia
  • Synthesize nucleus of nerve cell
  • Protein synthesis
  • Synthesis of nucleic acids
  • Synthesis of erythrocytes
  • Preparing the rhythm of sleep

 

When nutrients are deficient

  • Malignant anemia (headache, dizziness, nausea, loss of appetite)
  • Numbness of limbs, decrease of concentration
  • Stiff shoulders, low back pain, neuralgia

 

 

When nutrients overdose

  • No worry of excessive intake
  • Even if overdosed, it is not absorbed more than necessary

 

Foods rich in nutrients

  • a shijimi clam
  • Cow lever
  • asari clam
  • Pacific saury
  • salmon roe

 



Remarks

Nutrient list
Click for details

Energy Pantothenic acid
Protein Biotin
Saturated fatty acids  n-3 fatty acids
Dietary fiber  n-6 fatty acids
Lipid Sodium
Carbohydrate Potassium
Vitamin A Calcium
Vitamin D Magnesium
Vitamin E Rin
Vitamin K Zinc
Vitamin B1 Copper
Vitamin B2 Manganese
Vitamin B6 Lodine
Vitamin B12 Selenium
Vitamin C Chromium
Niacin Molybdenum
Folic acid iron