Foods like walnuts are high in calories, and dried walnuts have more calories than fresh ones, but walnuts are very nutritious and good. But don't eat too many of them.
It is better to eat in the morning, because in the morning the metabolism is strong, easy to absorb and consume. There is a way to do quite good, nutrition and also beauty, but also not to get fat.
Phospholipids in walnuts, the brain nerve has good health effects. Walnut oil contains unsaturated fatty acids, has the effect of combating atherosclerosis. Walnut kernel contains zinc, manganese, chromium and other indispensable trace elements.
The human body in the aging process of zinc, manganese content is decreasing, chromium has to promote glucose utilization, cholesterol metabolism and protection of cardiovascular function. Walnut kernels are also very obvious role in suppressing coughs and asthma, winter, chronic bronchitis and asthma patients with excellent efficacy.
Extended information
Walnuts, also known as walnuts, qiangtao, for the walnut family plants. With walnuts, cashews, hazelnuts and known as the world famous "four big dry fruit". Walnut kernel is rich in nutrients, per 100 grams of protein 15-20 grams, more fat, carbohydrates 10 grams; and contains essential calcium, phosphorus, iron and other trace elements and minerals, as well as carotene, riboflavin and other vitamins. Beneficial to the human body. It is one of the nut foods loved by the people.
Morphological features:
Generally up to 3-5 meters high, grayish-white bark, shallow longitudinal fissure, branch pith lamellar, the apex of the young branches with fine pilose (2-year-old branches are often glabrous). There are also up to 20-25 meters high, the trunk is shorter than other species, the crown is broad. Bark gray-green when young, gray-white and longitudinally lobed when old. Branchlets glabrous, glossy, peltate glandular, gray-green, later brownish.
Pinnately compound leaves 25 to 50 cm long, with 5 to 9 leaflets, rarely 13. Elliptic-ovate to elliptic, terminal leaflet usually larger, 5 to 15 centimeters long, 3 to 6 centimeters wide, apex acute or acuminate, base rounded or cuneate, sometimes heart-shaped. Entirely or with inconspicuous obtuse teeth, surface dark green, glabrous, abaxially only vein axils with microhairs, petiolules very short or absent, some shell hard, some softer.
Oddly pinnately compound leaves 25-30 cm long, petioles and leaf rachises covered with very short glandular hairs and glands when young Leaflets usually 5-9, sparsely 3, elliptic-ovate to long elliptic, ca. 6-15 cm long, ca. 3-6 cm wide, tip obtusely rounded or acute, shortly acuminate, base skewed, nearly rounded, margins entire or sparsely serrulate on young trees, dark green and glabrous above, pale green below. light green, lateral veins 11-15 pairs, axils with clusters of pubescent, lateral leaflets with very short petiolules or subsessile, smaller at the lower end, terminal leaflets often with petiolules about 3-6 cm long.
The male catkin is 5-10 centimeters long, with 6-30 stamens in the male flowers, the calyx 3-lobed, and 1-3 female flowers clustered together, the style 2-lobed and reddish.
Flowering in May, male catkins are pendulous, about 5-10 centimeters long and as sparse as 15 centimeters. Bracts, bracteoles and tepals of male flowers are glandular hairy. Stamens 6-30, anthers yellow, glabrous. Involucre of female flowers covered with very short glandular hairs, stigma light green.
Fruit ellipsoid, ca. 5 cm in diameter, gray-green. Glandular hairy when young, glabrous when old, inner nut globose, yellow-brown, surface irregularly grooved.
The infructescence is short, lycium drooping, with 1-3 fruits; the fruit is nearly globose, 4-6 cm in diameter, glabrous. Pyrenes slightly rugose, with 2 longitudinal ribs, apically mucronate. The septum is thin, with no space inside, and the endocarp wall has irregular spaces or no spaces but only with wrinkles. Walnut shell is endocarp, exocarp and endocarp in the immature is green, ripe off. New walnut seed coat is very bitter.