Where is the origin of hand-peeled pine nuts (northeast of China)

Northeast pine nuts are also called northeast red pine nuts. Korean pine is the seed of Korean pine, also known as Korean pine.

Plant morphology: Korean pine is an evergreen tree with grayish brown bark and cracked scales. Branchlets dark brown, densely rusty brown tomentose. Leaves needle-shaped, 5 needles in a bunch, thick and hard, 8-2 cm long. Male inflorescence spherical, dense spike-shaped, red and yellow; Female inflorescences have long stems. The cone is large, oval, 9- 14 cm long and 6-8 cm in diameter. The seed is ovoid triangle, reddish brown, with a length of1.2-1.8cm and a width of 0.9-1.6cm.. The flowering period is 5 weeks and the fruiting period is 10- 1 1 month.

Pine nuts are the seeds of Korean pine, a precious tree species. Mainly distributed in Changbai Mountain and Xiaoxing 'anling forest areas in northeast China, it is a national first-class endangered species. Wild Korean pine needs to grow for 50 years before it begins to seed, and the maturity period is about two years. Therefore, it is extremely precious.

The inner kernel of Korean pine fruit is mainly produced in Changbai Mountain and Xiaoxing 'anling Mountain. Korean pine grows at 40-45 degrees north latitude, and is slightly produced in North Korea, Russia and a few European countries, but the number is very small. Made of mature pine cones by mechanical and manual processing. The finished product requires full seeds, Bai Jie color, no scars and delicious taste. Composition: Every100g of pine nuts contains protein16.7g, 9.8g of carbohydrate and 63.5g of fat. The fat of pine nuts is mostly composed of unsaturated fatty acids such as oleic acid and linoleic acid. It also contains 78 mg of calcium, 236 mg of phosphorus and 6.7 mg of iron.

Efficacy: pine nuts are warm and sweet. Has the effects of nourishing yin, calming wind, moistening lung and intestine. Treat wind arthralgia, dizziness, dry cough, hematemesis, constipation and other diseases. "Rihuazi Materia Medica" contains "dispelling wind and cold, deficiency of qi, tonifying deficiency, moistening skin and nourishing five internal organs." "Yu Shu Yao Jie" contains "moistening lung to relieve cough, moistening intestine to relieve constipation, switching off arthralgia, nourishing skin and hair." It can be seen that eating pine nuts often can prolong life, beauty beauty. Anyone with loose stool due to spleen deficiency, nocturnal emission due to kidney deficiency and excessive wet phlegm should not eat more.

. There are also pine nuts of Yunnan pine in Daxinganling. Its volume is smaller than that of Korean pine seeds, but its fragrance is stronger.