185 walnut producing areas are mainly distributed in Wensu County, which is located in the south of Xinjiang Uygur Autonomous Region, at the foot of Tomur Peak, the highest peak in Tianshan Mountain, with major glaciers such as Tomur Su and Qiongtailan 14. It belongs to a typical continental warm temperate arid climate, with an annual average temperature of 65438 00.2℃ and an annual average precipitation of 63mm.
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Walnut is rich in nutritional value, and has the reputation of "Long live the son", "longevity fruit" and "treasure of health preservation". 86% of the fat in walnuts is unsaturated fatty acid. Walnut is rich in copper, magnesium, potassium, vitamin B6, folic acid and vitamin B 1, and also contains fiber, phosphorus, nicotinic acid, iron, vitamin B2 and pantothenic acid. Every 50g walnut contains 3.6% water, 7.2g protein, 3 1g fat and 9.2g carbohydrate.
Walnut contains 22. 18% crude protein, of which glutamic acid is the main soluble protein, followed by arginine and aspartic acid. The crude fat content is 64.23%, of which the neutral fat content is 93.05%. Among neutral lipids, triacylglycerol accounts for 82.05%, sterol lipid accounts for 3.86% and free fatty acid accounts for 4.80%.
Baidu Encyclopedia-185 Walnut