Walnut is the traditional brain-tonifying food. TCM holds walnut is warm-natured, sweet and free from toxin. It tonifies blood, preserves vitality and prolongs life for longevity. The phospholipid in walnuts has better health care effect on the cerebral nerves. Walnut oil contains unsaturated fatty acid. It is the important constituent of the cerebral tissue and prevents cerebral arterosclerosis. Walnut kernel contains the essential trace elements of cerebral activities like zinc, magnesium and chromium.
Fish and shellfish contain more unsaturated fatty acid. Unsaturated fatty acid is the important raw material to produce and protect cerebral cells. It should be eaten more.
Carrot It contains rich vitamin B1. Those who lack vitamin B1 may suffer from thinking retardation and melancholia.
Spinach It contains rich Vitamin A and vitamin C. It is particularly important because it contains vitamin B6 and vitamin B12 that are beneficial to the cerebral function of memory. Lack of vitamin B6 and vitamin B12 may result in neuritis, obstruction of nerve conduction, with the symptoms of amnesia and restlessness. Besides, spinach contains chlorophyll, and mineral substances like calcium, iron and phosphorus. These substances have brain-tonifying effect as well.
Kelp It contains the rich mineral nutritious substances essential to the human body such as phosphorus, magnesium, sodium, kalium, calcium, iodine, iron, silicon, manganese, zinc, cobalt and molybdenum. Some of these substances are the ones some terrestrial vegetables lack. In addition, kelp also contains rich taurine. Taurine has significant actions of protecting sight and cerebral functions.
Crowndaisy chrysanthemum It has rich nutritious constituents. Both its stems and leaves are edible. It conrains rich carotin. Every 100 g contains 2.54 mg of carotin. This is 15 to 30 times of that of the same amount of cucumber and eggplant.
Besides, nut kernel, milk, eggs, fresh fish, internal organs of animals and marine products contain calcium, phosphorus, and magnesium essential to nervous activities. Lack of these elements may cause nervousness, insomnia, declining memory, anxiety and spasm. Fresh milk, fresh mushroom, fresh liver and monosodium glutamate as well as other fresh foods contain glutamic acid essential to cerebral thinking activities. In addition, leafy vegetable, coarse food grain, malt, beans, yoghurt and beer contain vitamins B1, B6 and B12 that have catalytic effects on energy metabolism of cerebral substances and can improve memory.