The efficacy and function of herbs: asthma, suppress cough, expectorant.

Herb produced in Hubei Province, Hubei Province, Herb County, Herb County, the terrain is long and narrow, shaped like a sail, the terrain is high in the north and low in the south, the topography is complex. The northern part is mountainous, the central part is hilly, and the southern part is Pingfanwei area. The highest point in the territory is the main peak of Yundan Mountain in the territory of Qingshi Town, with an elevation of 1244.1 meters; the lowest point is the Longfeng Temple gate in the territory of Bali Lake Farm, with an elevation of 12 meters.

Herb is a subtropical continental monsoon climate, four distinct seasons, abundant rainfall, mild climate, the average frost-free period of 249.1 days in the calendar year, precipitation of 1341.7 mm, 2025.8 hours of sunshine, the temperature of 16.8 degrees, suitable for planting herbs.

Expanded Information:

p>Wormwood refers to the mugwort that grows in Hubei Province's Herb County, named for its variety and origin. Compared to ordinary mugwort, herbs have natural advantages.

First of all, the leaves of the herb are round, broad, thick, and have nine small leaf tips; the herb plant is tall, up to 2 meters or more; while the common mugwort plant is about 1 meter high, with thin leaves and sparse hair. This is the herb in the appearance of the form of the unique features.

Secondly, the smell of herbs is strong, the effective drug content is higher, strong penetration, the plant contains more volatile oil. Its essential oil oil rate: herbs for 1.06%, other mugwort for 0.54%, twice as much. Easy drug absorption.

Herb is not only the origin of authentic herbs, but also the hometown of the great medicine man Li Shizhen. His research on his hometown's authentic medicinal herbs was quite profound. He had gone up to Kirin Mountain many times to collect specimens of mugwort leaves and planted them in his homeland himself.

Li Shizhen wrote in his Compendium of Materia Medica: "In recent times, only Tang Yang is called Northern Ai, and Simei is called Sea Ai, and since Chenghua, it is Herb Chun that is the best to fill up the square, and the whole world weighs in on it, and it is called Herb Ai." (Translation: in recent times only Tang Yang's so-called Northern Ai, Simei's called Hai Ai, since Chenghua then to Herb Chun's win to fill the specialties, the heaviest, on the salary of Ai.")

From then on, the herb is famous all over the world.

Baidu Encyclopedia - Herb