What is Shexian Forsythia suspensa? Authentic specialty of Shexian County, Hebei Province: Shexian Forsythia
Summary:Do you want to know what Shexian Forsythia is? This article is a detailed introduction to the special product of Shexian County, Hebei Province - Shexian Forsythia suspensa. It was compiled and edited by the editorial team of China Specialty Network after reviewing and collecting relevant information on Shexian Forsythia suspensa. The full text takes about 7 minutes to read, mainly including the basic introduction of Shexian Forsythia suspensa and the product characteristics of Shexian Forsythia suspensa? Wait
Basic Introduction of Forsythia suspensa in Shexian
Shexian is located in the deep mountains, with rivers and valleys crisscrossing the area. Its unique geographical location and suitable climate contain abundant authentic Chinese medicinal resources such as Forsythia suspensa, and it is known as the "Taihang Mountains and Southern Hebei Medicinal Valley" and the "Modern Science and Technology Industry Base for Traditional Chinese Medicine". According to the testing data from Hebei Provincial Institute of Food and Drug Inspection, the content of Forsythia suspensa in Shexian County is 0.69%, which is 2.3 times higher than the pharmacopoeia requirement (not less than 0.35%), ranking first among Forsythia suspensa in China; Forsythian glycoside A is 18.3%, which is 1.67 times higher than the pharmacopoeia requirement (not less than 0.25%). Microscopic characteristics and moisture detection comply with the 2010 edition of the pharmacopoeia. At the same time, the levels of heavy metals and pesticide residues in Forsythia suspensa in Shexian County are significantly lower than the national limit indicators Growth habits Forsythia suspensa prefers light and has a certain degree of tolerance to negativity; Enjoys warm and humid climates, and is also very cold resistant; Resistant to drought and barrenness, afraid of waterlogging; It can grow normally in neutral, slightly acidic, or alkaline soils regardless of the soil It can grow on dry sunny slopes or crevices with soil, and even on weathered parent materials such as bedrock or purple sandstone. The root system of Forsythia suspensa is well-developed. Although the main root is not very prominent, its lateral roots are thicker and longer, with numerous fibrous roots that extend widely around the main root, greatly enhancing its absorption and soil fixation abilities; Forsythia suspensa has strong cold resistance. After cold resistance training, it can tolerate low temperatures of -50 ℃. Its amazing cold resistance makes it a leader in northern garden greening; Forsythia suspensa has strong sprouting power and fast hair clusters, which can quickly expand its distribution area. Therefore, Forsythia suspensa has strong vitality and adaptability Harvesting Medicinal varieties include Qingqiao and Laoqiao. Qingqiao is harvested in early September when the skin is still green and immature. It is then boiled in boiling water for a moment or steamed in a steamer for about 0.5 hours before being taken out and dried. Lao Qiao's fruit ripens and turns yellow in early October. When the shell cracks, it is harvested, dried, and seeds and impurities are sieved out Economic value Forsythia suspensa is a kind of wild vegetable oil. The oil content of Forsythia suspensa seeds is 25% -33%. The seed oil contains gum and has good volatility. It is a good raw material for the insulation paint industry and cosmetics. It has great development potential. The oil can be used to manufacture soap and cosmetics, as well as insulation paint and lubricating oil. It is also rich in oleic acid and linoleic acid that are easy to be absorbed and digested by the human body. The oil taste is fragrant. After refining, it is a good edible oil Deciduous shrubs. Branches spread or droop, brown, brownish or light yellow brown, small branches are soil yellow or grayish brown, slightly quadrilateral, sparsely covered with pores, internodes are hollow, and nodes have solid pith. Leaves are usually single or 3-lobed to 3-lobed compound leaves. The leaves are ovate, broadly ovate, or elliptical in shape, ranging from 2-10 cm in length to 1.5-5 cm in width. The tips are sharp, and the base is circular, broadly wedge-shaped to wedge-shaped. The leaf edges have sharp or coarse serrations except for the base. The upper part is dark green, and the lower part is light yellow green. Both sides are hairless; The petiole is 0.8-1.5 centimeters long and hairless. Flowers are usually solitary or grow in the axils of leaves with 2 to several flowers, blooming before the leaves; The flower stem is 5-6 millimeters long; Calyx green, lobes oblong or elongated elliptical, length (5-) 6-7 millimeters, apex blunt or acute, margin with eyelashes, nearly equal in length to corolla tube; The corolla is yellow, and the lobes are oblong or elongated, with a length of 1.2-2 cm and a width of 6-10 mm; In flowers where the pistil is 5-7 millimeters long, the stamen is 3-5 millimeters long. In flowers where the stamen is 6-7 millimeters long, the pistil is about 3 millimeters long. The fruit is ovoid, ovoid or oblong in shape, measuring 1.2-2.5 cm in length and 0.6-1.2 cm in width, with a beak shaped apex and sparse pores on the surface; The stem is 0.7-1.5 centimeters long. The flowering period is from March to April, and the fruiting period is from July to September