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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
Food that contains a lot of Vitamin B12
Foodstuff | Ingredient per 100g (㎍) |
Shijimi (boiled) | 81.6 |
dried young anchovies | 64.5 |
ark shell | 59.2 |
seasoned laver | 58.1 |
sujiko(salmon roe) | 53.9 |
Beef liver (raw) | 52.8 |
Short-neck clam | 52.4 |
Sweetfish Internal organs | 49.6 |
Sakhalin surf clam | 47.5 |
ikura(salmon roe) | 47.3 |
Hard clam | 45.4 |
Chicken liver (raw) | 44.4 |
Summary
- Soluble in water with water soluble vitamins
- Much contained in animal food
- Even if you take too much, it is not absorbed more than necessary
- It is absorbed along with stomach secretions and tends to run out when the stomach is weak
- Involved in amino acid synthesis with folate
- It is water soluble, so it is recommended that you can eat the whole soup