Classification of medicinal health care of various parts of pine trees: pine trees are treasures, such as pine needles, pine bark, turpentine, pine nuts, pine cones, pine knots, pine flowers, pine pollen and pine mushrooms. Can be used as medicine, and has wide medicinal range. Pine bark Pine bark extract is a polyphenol substance extracted from pine bark, and the main active component is a low molecular polymer of proanthocyanidins. This is a brownish red powder, containing more than 95% proanthocyanidins. Procyanidins are the most powerful natural antioxidants found in the world, which can scavenge free radicals in the body. Procyanidins can not only scavenge free radicals, but also resist ultraviolet rays. Now it has been used more and more as a food supplement and an anti-ultraviolet raw material for health food and cosmetics. Pine needles are the leaves of pine trees and the representative parts of pine trees for medicine. They are bitter, nontoxic and mild. Pine needle extract contains plant enzyme, plant fiber, growth hormone, protein, fat and 24 amino acids. Pine needle powder (taking Pinus massoniana as an example) contains 88.6-250mg of β-carotene, 0/3.8mg of vitamin B/KLOC, 522-641mg of vitamin E 2000 and 65438+ per kilogram. Pine needles also contain a variety of water-soluble flavonoids, including proanthocyanidins, catechins and a variety of unsaturated fatty acids, which have strong activity in human body and high bioavailability. The buds of pine needles contain many minerals and enzymes such as protein, crude fat, vitamin K, calcium, phosphorus and iron. The α -aminobutyric acid contained in pine needles can promote the decomposition of glucose, reduce blood ammonia and promote brain metabolism, activate brain function and lower blood pressure. Threonine contained in pine needles is an essential amino acid, which plays an important role in maintaining the amino acid balance of human body. The amino acids contained in pine needles are the main substances of bone glue in protein, which plays a role in strengthening bones. Glycine contained in pine needles is an essential amino acid, which plays a metabolic role in organisms, resists acid and peptic ulcer, can treat depression, delay muscle degeneration, and has a curative effect on hypoglycemia. Glycine balance has special effects on beauty and body, and can also eliminate body odor and bad breath. Alanine contained in pine needles is pantothenic acid, which plays an important role in human growth and metabolism. Methionine contained in pine needles plays a fundamental role in strengthening nutrition, making up for the deficiency of natural protein and balancing ammonia. The balance of methionine in human body can eliminate brittleness and bone fragility, and the synthesis with folic acid can prevent the formation of tumors. Pine needles contain tyrosine, which is the raw material of thyroid hormone and the basic substance of melanin production. People with balanced tyrosine are refreshed and happy. The balance of tyrosine in human body can also reduce the accumulation of fat and help to quit smoking. The phenylalanine contained in pine needles is also an essential amino acid. Phenylalanine plays an important role in nerve conduction, which can control pain, improve people's sexual desire and reduce people's hunger. Phenylalanine helps to improve the agility of adults' thinking and action. The resin and tannin contained in pine needles can improve the function of digestive organs. No matter what kind of pine needles, spring is the most abundant period of amino acids, and most of them are organic. Many substances, such as trace elements, trace elements and vitamins or vitamins and amino acids, are in dynamic equilibrium at a certain PH value. These nutrients are easily absorbed by human body, and there are no problems such as excessive poisoning or trace element deficiency caused by antagonism or chelation between them. Iron contained in pine needles is the central atom of hemoglobin and a component of many enzymes. Iron deficiency can cause anemia, affect the normal growth of cells, cause hair loss and chills; Children lack iron, and there will be a phenomenon of inattention in class. Copper contained in pine needles plays an active role in hemoglobin synthesis. Copper deficiency can lead to osteoporosis and arthritis. Pine needles contain 3.5 milligrams of copper per kilogram. Selenium contained in pine needles is very important, although the demand of human body is very small. Selenium is also recognized as an anti-cancer element in the world and is known as the "king of anti-cancer". The combination of selenium and vitamin E can maintain heart health. Middle-aged people lack selenium, so they will age before they get old, and some will go through menopause in advance. If people have more dandruff, it is often related to selenium deficiency. According to the World Health Organization, the intake of 0.05~0.2 mg selenium per person per day can greatly reduce the incidence of cancer. Selenium also has the special function of antagonizing toxic heavy metal elements such as mercury and cadmium and detoxifying. American ginseng, garlic, animal viscera, beef and mutton also contain selenium. Pine needles contain zinc15mg per kilogram. Zinc is the most important anti-aging element in human body and the natural enemy of esophageal cancer. Participate in the synthesis and activation of 100 enzymes in human body, and directly participate in the synthesis of nucleic acid and protein, thus delaying the process of cell aging. When a human body has a wound, zinc can participate in the healing of the wound. People with zinc deficiency are numb in taste, not afraid of spicy food and easy to catch a cold. Zinc can also prevent male impotence, enhance sexual function, relieve pica and prevent dwarf syndrome in children. Other components contained in pine needles, such as glycerol quinine, have hypoglycemic effect and can treat diabetes, while rosin acid has detoxification effect on opium and nicotine. Pine needle extract has the special effect of eliminating nicotine in the body, so it is often added to special health food for smokers to eat, and the effect of quitting smoking is obvious. Pine needles also have the functions of preventing plague, treating wind-induced draft, joint pain, beriberi (tinea), wind sore, wind tooth swelling and pain, wind sore, wet itching and so on.