Through the detection of pine needles by modern technology, it is found that the extract of pine needles is rich in active substances such as sugar, crude protein, crude fat, various amino acids, trace mineral elements, vitamins, bioflavonoids, essential oils, chlorophyll, unsaturated fatty acids, enzymes and coenzymes. Pine needles are the representative medicinal parts of pine trees. The medicinal components of pine needles are higher than those of other parts of pine trees. They not only contain a lot of bioflavonoids and procyanidins, but also contain chlorophyll and vitamins. Pine needle extract can be used to dilate arterial blood vessels, increase the oxygen carrying capacity of red blood cells, promote blood circulation, improve the function of capillaries, enhance immunity, increase hormone secretion, strengthen sperm, and rejuvenate body tissues.

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 twigs of pine needles contain many minerals and enzymes such as protein, crude fat, vitamin K, calcium, phosphorus and iron.