Pine needles were first recorded in Compendium of Materia Medica: "Fine cutting, taking it with water and flour, or taking it with broken pills, can break the whole grain and cure evil diseases (Hongjing)". In the National Collection of Chinese Herbal Medicine, the main functions of pine needles are: "expelling wind and promoting blood circulation, improving eyesight and calming nerves, detoxifying and relieving itching"; Taiping Shenghui Fang: "If you take pine needles for a long time, you will not be old, light and healthy, and you will not be hungry in years."
Pine needles contain flavonoids, volatile oil, shikimic acid, fatty acids, phosphorus, calcium, iron, selenium and other inorganic elements and a variety of amino acids. The existence of these chemical components makes pine needles have many health care functions.
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Matters needing attention
1. Don't collect pine needles on the roadside casually, because the pine needles here are polluted by automobile exhaust for a long time and are harmful to your health after taking them. Don't pick young pines within 5 years and pine needles with a height of less than 3 meters.
2, pine needles are oily plants, easily contaminated with dirt, and must be cleaned. Wrap pine needles with a soft brush or a soft cloth dipped in detergent. After washing, soak in clear water.
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