Walnut, scientifically named Juglans regia L., also known as Chinese walnut or walnut kernel, is the dried and mature fruit of a deciduous tree belonging to the Juglans genus of the Juglandaceae family. It is known as one of the "world's four famous dried nuts" together with almonds, cashews, and hazelnuts. The walnut tree can grow up to 20-25 meters tall, with grayish-brown bark and odd-pinnate compound leaves. Its flowering period is from April to May, and the fruit matures from September to October. The walnut fruit consists of an exocarp, mesocarp, and endocarp (hard shell). The part we usually eat is its kernel, which is oblate elliptical, ranging in color from pale yellow to yellowish-brown, with a delicate texture, a unique nutty aroma, and a crispy and mellow taste. It can be eaten directly or processed for use.
Walnuts are native to temperate regions of Eurasia, with their specific origin traceable to Central Asia, Western Asia, and Southern Europe. Archaeological findings show that humans have been collecting and eating walnuts as early as the Neolithic Age. Walnuts were introduced to China a long time ago, supposedly by Zhang Qian during his missions to the Western Regions in the Han Dynasty, and have a cultivation history of more than 2,000 years. After long-term cultivation and promotion, China has become the world's largest producer, consumer, and exporter of walnuts. Currently, the main producing areas of walnuts in China are concentrated in Yunnan, Shaanxi, Shanxi, Sichuan, Gansu and other provinces. Among them, the thin-skinned walnuts from Yunnan and the paper-skinned walnuts from Shaanxi are renowned at home and abroad for their excellent quality and outstanding taste. In addition, the United States, Iran, Turkey, India and other countries are also major walnut producers, each with unique cultivated varieties and planting models.
Nutrition Components
Walnuts are a nut with extremely high nutritional density. Every 100 grams of edible walnut kernels contains rich nutrients, with specific components as follows (data referenced from the Chinese Food Composition Table):
Fat
About 63 grams, of which more than 90% are unsaturated fatty acids, including oleic acid, linoleic acid, and α-linolenic acid (Omega-3 unsaturated fatty acids). These fatty acids are essential fatty acids for the human body, which cannot be synthesized by itself and must be obtained through food.
01
Protein
About 15.4 grams, containing 8 essential amino acids for the human body. The amino acid composition is reasonable, easy to be digested and absorbed by the human body, and it is one of the high-quality plant protein sources.
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Dietary Fiber
About 6.7 grams, including soluble dietary fiber and insoluble dietary fiber, which can promote intestinal peristalsis and increase fecal volume.
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Minerals
About 56 mg of calcium, 294 mg of phosphorus, 2.7 mg of iron, 131 mg of magnesium, 2.17 mg of zinc, and a small amount of potassium, sodium, selenium and other minerals. These substances are involved in many physiological activities of the human body and are crucial for maintaining normal body functions.
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Vitamins
Rich in B vitamins (vitamin B1, B2, B6, etc.), vitamin E (about 43.21 mg), and folic acid (about 102 micrograms). Among them, vitamin E is a powerful antioxidant, and folic acid plays an important role in human cell division and growth.
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Key Health Benefits
Based on its rich nutritional components, walnuts have various positive effects on human health and are a natural "healthy nut". The specific benefits are as follows:
Brain Boosting and Cognitive Improvement
The α-linolenic acid (Omega-3) rich in walnuts is an important component of the brain and nerve cells, which can promote brain development and enhance memory, attention and thinking ability. At the same time, the B vitamins and minerals (such as zinc and magnesium) in walnuts can also provide sufficient nutritional support for the brain, delay brain aging, and have a certain auxiliary effect on preventing Alzheimer's disease. It is especially suitable for adolescents and the elderly.
Cardiovascular Protection and Reduced Disease Risk
The unsaturated fatty acids in walnuts (especially oleic acid and linoleic acid) can reduce the content of low-density lipoprotein ("bad cholesterol") in the blood, increase the content of high-density lipoprotein ("good cholesterol"), reduce blood viscosity, and prevent cardiovascular diseases such as atherosclerosis, hypertension, and coronary heart disease. In addition, the potassium and magnesium in walnuts can also help regulate blood pressure and protect cardiovascular health.
Antioxidant, Anti-Aging and Skin Care
Walnuts are rich in antioxidant components such as vitamin E and polyphenols. These components can scavenge excess free radicals in the body, reduce the damage of free radicals to cells, delay cell aging, and thus achieve the effect of anti-aging. At the same time, vitamin E can also moisturize the skin, improve dry and rough skin, promote skin metabolism, and make the skin more delicate and shiny.
Regulate Intestinal Health and Promote Digestion
The dietary fiber in walnuts can promote intestinal peristalsis, increase the number of intestinal probiotics, improve the balance of intestinal flora, effectively relieve constipation, and at the same time promote the digestion and absorption of nutrients, reducing the risk of intestinal diseases.
Improve Sleep Quality and Soothe the Nerves
Walnuts contain a small amount of melatonin (a hormone that regulates the human biological clock), which can help the human body regulate the sleep rhythm, shorten the time to fall asleep, and improve sleep quality. It is especially suitable for people with insomnia and poor sleep quality. In addition, the magnesium in walnuts also has a sedative and soothing effect, which can relieve nervous tension and help relax the body and mind.
Auxiliary Weight Control and Enhanced Satiety
Although walnuts have a high fat content, the unsaturated fatty acids in them are easily digested and absorbed by the human body. Moreover, dietary fiber and protein can provide a strong sense of satiety, reducing the intake of other high-calorie foods. Moderate consumption helps control weight (it is recommended to eat 20-30 grams per day, about 2-3 pieces).
Company Advantages
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Over 20 Years of Export Experience, Mature Trade System
We have been deeply engaged in the field of agricultural product export for more than 20 years, with rich international trade experience and a professional foreign trade team. We are familiar with the import policies, market demands and logistics rules of agricultural products in various parts of the world, and can efficiently handle the whole process of export matters such as customs declaration, inspection and logistics, effectively avoid trade risks, ensure the smooth delivery of orders, and win the long-term trust of global customers.
02
Two Owned Factories, Controllable Production Capacity and Quality
We have two owned production factories, located in Junan and Lanling respectively, equipped with modern production equipment and a professional technical team. We realize the standardized and large-scale production of walnut processing and packaging, which can not only ensure stable production capacity to meet customers' bulk purchase needs, but also strictly control product quality from the production source, ensuring that every batch of products meets export standards.
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Authoritative Certification Support, Complete Export Qualifications
The company has obtained dual authoritative certifications of HALAL and HACCP (Hazard Analysis and Critical Control Points), and strictly organizes production in accordance with certification standards. The products meet the food safety requirements of many countries and regions around the world, and can be smoothly exported to halal regions and markets with strict requirements on food safety, enhancing the international competitiveness of products.
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Improved Supply Chain, Significant Cost-Effectiveness Advantage
Relying on our own factories, direct sourcing resources and mature export supply chain system, we effectively reduce intermediate operating costs, provide customers with cost-effective products while ensuring product quality; at the same time, we have the ability to respond to orders quickly, and can flexibly meet customers' emergency supply needs, improving customer cooperation experience.
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