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Pine nut trees have 7-12cm long serrated leaves, which bloom in May. They have long egg-shaped burs, 12-15cm in length and 6-8cm in diameter. Inside each bur, there are at least 100 nuts. The seeds are triangular and egg-shaped, 1.2-1.8 cm in length and 1.2 cm in diameter. They are cultivated as food. The wood of pine nut trees, excellent in quality, is used for building, furniture, shipping materials, and more. |
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A pine nut consists of fat (64.2 %), protein (18.6 %), water (5.5 %), sugar (4.3 %), lime (1.5 %), fiber, calcium, phosphorous, and vitamins A1, B1, and B2. Pine nuts have 670 calories per 100g, so they are widely consumed to recover appetite and relieve fatigue. Pine nuts are abundant in vitamin B and contain relatively more iron than walnuts or peanuts. They are good for preventing and curing anemia. They are recommended to be taken with calcium rich food like seaweed or milk because the nuts are an acidic food with much phosphorous and little calcium in content. One of the most important characteristics is that the fatty substance is composed of unsaturated fats, including oleic acid. Unsaturated fat is good for skin, high blood pressure, and stamina. It reduces the cholesterol level in the blood, helping prevent adult diseases like arteriosclerosis. Pine nut gruel strengthens the functions of the lungs and intestines, so it is good for preventing geriatric diseases, including bronchitis. Thus, the pine nut is a healthful food for the elderly. |
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