Pine is the seed of Pinus koraiensis, Pinus bungeana, Pinus armandii, etc. Korean pine is a specialty of Northeast China, which is produced from Changbai Mountain to Xiaoxing 'anling in Northeast China. Pinus armandii is a special variety in China, which is from Qinyuan, Shanxi in the north, Yunnan-Guizhou Plateau in the south, Henan in the east and Gansu, Sichuan and Hunan in the west.

In the Tang Dynasty's Herbal Medicine of Sea Medicine, it is recorded that "sea pine seeds warm the stomach and intestines, and after long-term administration, they are fit and prolong life". In people's minds, pine nuts are regarded as "longevity fruit", also known as "fresh products in nuts", which are loved by people and are most beneficial to the elderly.

Nutritional analysis

1. pine nuts are rich in unsaturated fatty acids, such as linoleic acid and linolenic acid, which can reduce blood lipid and prevent cardiovascular diseases;

2. Pine nuts contain a lot of minerals, such as calcium, iron, phosphorus, potassium, etc., which can provide rich nutrients for body tissues, strengthen bones and muscles, eliminate fatigue, and have great benefits for the health care of the elderly;

3. The vitamin E in pine nuts is as high as 30%, which has a good effect of softening blood vessels and delaying aging. It is an ideal health food for middle-aged and elderly people and an ideal food for ladies to moisturize and beautify;

4. Pine nuts are rich in fatty oil, which can moisten the intestines, relax bowels and relieve diarrhea without hurting vital qi, and have a certain dietotherapy effect on constipation caused by deficiency of the elderly and constipation caused by deficiency of body fluid in children;

5. The fat components in pine nuts are unsaturated fatty acids such as oleic acid and linoleic acid, which have a good effect of softening blood vessels and are ideal health food for middle-aged and elderly people;

6. Pine nuts are rich in phosphorus and manganese, which are beneficial to the brain and nerves. It is a good brain tonic for students and mental workers, and also has a good preventive effect on Alzheimer's disease.