Nanjiangshan Walnut [Sichuan Nanjiang Specialty]

What is Nanjiangshan walnut? Authentic Sichuan Nanjiang specialty: Nanjiangshan walnuts

Summary:Do you want to know what Nanjiangshan walnuts are? This article is a detailed introduction to the Sichuan Nanjiang specialty - Nanjiangshan walnuts. It was compiled and edited by the editorial team of China Specialty Network after reviewing and collecting relevant information on Nanjiangshan walnuts. The full text takes about 6 minutes to read, mainly including the basic introduction of Nanjiangshan walnuts and their nutritional value? What are the product characteristics of Nanjiangshan walnuts? How did the history of Nanjiangshan walnuts come about? Wait

Basic introduction of Nanjiangshan walnuts

Nanjiangshan walnuts are produced in Nanjiang County, Bazhong City, Sichuan Province. The shell of Nanjiangshan walnuts is thin, the kernels are abundant and thick, and the taste is mellow. It has the effects of invigorating the spleen, stimulating appetite, nourishing and strengthening the kidneys, nourishing and recovering, preventing coronary heart disease, and reducing blood lipids. In March 2006, the General Administration of Quality Supervision, Inspection and Quarantine approved the implementation of geographical indication product protection for Nanjiangshan walnuts

Nanjiangshan walnuts are produced in the Guangwu Mountain Scenic Area, a national scenic spot. They have a thin shell, many thick kernels, and a mellow taste. Walnuts are warm in nature, sweet in taste, non-toxic, and have the effects of strengthening the stomach, replenishing blood, moistening the lungs, and nourishing the mind. Regular consumption of walnut and kernel products has the effects of invigorating the spleen, stimulating appetite, moisturizing and strengthening the kidneys, nourishing and recovering, preventing coronary heart disease, and reducing blood lipids. It is a healthy, delicious, and nutritious natural green nutritional food. What are the product characteristics of Nanjiangshan walnuts

Trees, up to 10-20 meters tall, with a diameter at breast height of 30-60 centimeters; Smooth bark, gray white, smooth; The small branches are thin and slender, and the new branches are densely covered with shield shaped orange yellow glands. Later, the glands gradually become sparse, and the one-year branches are purple gray. The upper end is often covered with sparse short hairs, and the pores are round and sparse

The compound leaves are 16-30 centimeters long, and the petioles are covered with hairs and glands when young. Later, the hairs gradually fall off, and the leaf axis is densely covered with hairs that are not easily shed, with 5-7 small leaves; The edges of the small leaves have fine serrations. When young, only the midrib, lateral veins, and leaf margins have soft hairs on the upper part, while the lower veins have persistent or shed hairs and are covered with orange yellow glands. Later, the glands gradually become sparse; Lateral lobules have short petioles or almost no petioles, opposite, lanceolate or ovate lanceolate, sometimes slightly curved into a sickle shape, base wedge-shaped or slightly rounded, apex gradually pointed, 10-18 cm long, 2-5 cm wide, apical lobules have petioles about 5-10 mm long, same shape, same size or slightly larger than the lateral lobules at the upper end

Male hibiscus inflorescences are arranged in bundles of three, with soft hairs and glands on the inflorescence axis. They are 10-15 centimeters long and grow on a total stem that is about 1-2 centimeters long. The total stem grows from the leaf axil or bract axil of the current year's branch. Male flowers have short stalks; Brackets are narrow, long elliptical linear, and small bracteoles are triangular ovate, all covered with hairs and glands; Stamens 2-

7, attached to a narrow receptacle, anthers hairy. The female inflorescence is erect, with densely glandular axis and 1-3 female flowers. Female flowers are ovate or broadly elliptical, densely covered with orange yellow glands, about 5-6 millimeters long. The lobes of the bracts are hairy and glandular, and the outer one (i.e. bract) is significantly longer and diamond-like. The fruit is oblong in shape, gradually narrowing towards the base. When young, it has four narrow winged longitudinal edges, densely covered with orange yellow glands. When mature, the glands become sparse and the longitudinal edges become inconspicuous; After drying, the outer skin is leathery, about 2-3 millimeters thick, and splits into 4 petals along the longitudinal edges; The fruit core is ovate or elliptical in shape, sometimes slightly flattened, with four inconspicuous longitudinal edges, sharply pointed at the top and one short convex tip, 20-25 millimeters long and 15-20 millimeters in diameter; The inner skin is hard, light grayish yellow brown, and 1 millimeter thick; There are no gaps inside the diaphragm or wall; Two cotyledons deeply split. It blooms from April to May and ripens in September

The introduction of Nanjiangshan walnuts by Nanjiang has a history of more than a thousand years since the Han Dynasty. By the 1970s, it had begun to take shape and had become well-known both inside and outside the province, with an export capacity of 400-600 tons; At present, a walnut county with 800000 hanging fruits, about 50000 acres, a yield of 1.5 million kilograms, and an output value of 7.5 million yuan has been formed