First, walnuts:
Walnut originated from Europe to Central Asia, and it is said that Zhang Qian was introduced to China from the Western Regions in the Han Dynasty. Also known as walnut, Hetao and strong peach. Since ancient times, it has also been called "Wisdom God", "longevity fruit" and "Long live the Son". It is one of the new year's goods with auspicious meaning during the Chinese New Year holiday, and its nutritional value is the highest among nuts.
Walnut contains high-quality protein and some essential amino acids that the human body cannot synthesize by itself, and is the most basic nutrient for maintaining life activities; The phospholipid component contained in it can increase the activity of cells and is beneficial to brain nerve function. As for the walnut "fattening, moistening muscles and blackening hair" recorded in "Kaibao Materia Medica", it is mainly the function of unsaturated fatty acids. Recent research also found that "tannic acid amine" in walnuts can alleviate the toxicity of carcinogens and is a good antioxidant.
2. Cashew nuts: the first fruit, commonly known as cashew nuts, has been cultivated by humans for more than 4,000 years. It is native to tropical America and is rich in nutrients such as protein, vitamins, calcium, phosphorus, copper, iron, potassium and magnesium. This is a common nut at wedding banquets. Cashews, like other nuts, can provide high-quality fat and smooth blood circulation. Generally speaking, cashew nuts have dietotherapy effects such as preventing constipation, strengthening tendons and bones, moistening skin and appetizing. Cashew nuts have considerable economic value in international trade, and are called "the four dried fruits" in the world together with almonds, walnuts and hazelnuts.
Third, chestnuts (chestnuts):
Chestnut is rich in starch, protein, fat and vitamins. Known as "grain tree", "woody grain", "hardcore crop" and "ginseng fruit", it also has the reputation of "king of dried fruits". Chestnuts in nuts are special and belong to low-fat and high-fiber foods. According to "Compendium of Materia Medica", chestnuts can replenish qi, thicken the stomach and tonify the kidney, which is really a good tonic for lumbago and leg pain in the elderly.
Four, peanuts (peanuts):
Peanut is a leguminous plant native to South America. When flowers pollinate themselves on the ground, the stems will drill into the soil to bear fruit, so it is called "groundnut" and also called "longevity fruit" because of its high nutritional value. "Potato" mentioned in Compendium of Materia Medica is a commonly used name of Minnan people today.
Peanut can provide eight amino acids and many substances beneficial to human health, and can prevent heart disease, breast cancer, intestinal cancer and prostate cancer. Resveratrol can prevent and treat cancer, tumor and cardiovascular diseases. In addition, the hemostatic effect of peanut coat can not be ignored, which can promote platelet function and relieve bleeding symptoms such as hemophilia.
Five, almond (Prunusamygdalus):
Almond, native to China, was called "one of the five fruits" in the Zhou Dynasty, and spread to Persia through the Silk Road in the Han Dynasty, and then to all parts of the world. Almonds are divided into south apricot (sweet almond) and north apricot (bitter almond). Beixing is often used as medicine and contains hydrocyanic acid, which has the function of relieving cough, moistening lung and relieving asthma, but it is not suitable for raw or large quantities. Nanxing is common in general grocery stores and is good at tonifying deficiency and moistening lung. Almonds contain more than 30% fat, which can lubricate the intestines and prevent constipation. Almonds, together with other phytochemicals, have the beauty effect of moisturizing the skin. Another advantage of almond is that it is also an excellent source of calcium.
Six, pine nuts (single leaf pine):
Pine nuts, also known as "sea pine nuts", contain protein, essential fatty acids, and a variety of vitamins and trace elements beneficial to human body. Herbal Classic Shu says it can prolong life and prevent aging, so it is also called longevity fruit. In fact, pine nuts, like most nuts, can improve human immune function, delay aging and nourish the five internal organs, beauty beauty