Flos Magnoliae belongs to Magnolia of Magnoliaceae, also known as Magnolia grandiflora. It is a valuable Chinese herbal medicine with astringent, antihypertensive, analgesic and bactericidal effects. It can be used to treat rhinitis, headache, pneumonia, sore and other diseases, and can also extract essence to make spices, drinks and high-grade foods. Nanzhao county, our city, is known as the first county in Xinyi, with a large area, high yield and a long history of cultivation. According to county records, "extensive planting between Yuan and Ming Dynasties" has a history of more than 700 years. The Compendium of Materia Medica in the Ming Dynasty also stated that "Xinyi was born in the Han Dynasty and is the way of Danyang", that is, the Hanshui River basin centered on Nanzhao, Lushan and Xichuan in the north of Danjiang River. Nanzhao county Xinyi covers an area of 80,000 mu, including 50,000 mu of shenglei, with an annual output of 65,438+600,000 tons of fresh medicines, accounting for 80% of the total output in Henan and 40% of the whole country, ranking first in both area and output. The quality of Flos Magnoliae Nanzhao is excellent, and the content of volatile oil is as high as 3.78%, ranking first among similar products in China. The National Pharmacopoeia 1977 edition lists Nanzhao New Medicine as authentic. At 199 1 Nanyang Zhongjing Cup International Expo, Nanzhao Xin won gold medals again and again. In March 2000, nanzhao county was named as the hometown of Xinyi, a famous and excellent economic forest in China by the State Forestry Administration. (Nanyang)

Magnolia grandiflora has been planted in nanzhao county for a long time. According to calculation, there is a natural plant community of Magnolia grandiflora for more than 500 years. Flos Magnoliae, Cornus officinalis and winter flowers are also called "the three specialties of Nanzhao". In recent years, nanzhao county has used science and technology to guide the production of Flos Magnoliae. Through the general survey and improved variety breeding, three types of Flos Magnoliae for export, high yield and ornamental were screened out from nearly 20 varieties and planted in a large area of the county. Flos Magnoliae contains chemical components such as magnolipin, magnolipin and volatile oil. Traditional Chinese medicine uses dried flower buds as medicine, which is warm and pungent. "Ancient Materia Medica" records that "Xinyi treats cold and heat in five internal organs and headache and brain pain". Modern pharmacological research shows that Flos Magnoliae can dispel cold, dredge nasal orifices, reduce breath for a long time, reduce body weight and improve eyesight, prolong life, and resist aging, and is mainly used for treating headache, brain pain, nasal congestion, rhinitis and toothache. At the same time, Flos Magnoliae also has the functions of dilating blood vessels, lowering blood pressure, exciting breathing, inhibiting bacteria, relieving pain and resisting virus. In Southeast Asia, Flos Magnoliae is listed as a rare medicinal material. 1983, the county people's congress also designated Xinyi as the "county flower" of Nanzhao.

Xinyi in nanzhao county is very famous, and there is a production base in Xinyi in China. Xinyi has a planting area of 80,000 mu and 2 million plants, with an annual output of more than 500,000 kilograms of dry medicine, accounting for 80% of the annual output of Henan Province and about 40% of the national annual output. It became the largest production base county in Xinyi, China, and was named "the hometown of Xinyi" in China by the Ministry of Forestry. The National Pharmacopoeia 1997 edition lists Nanzhao Xinyi as authentic. According to the determination of Henan Agricultural University, the content of volatile oil in Xinyi Nanzhao ranks first among similar products in China, reaching 4.82%, which is 1-2 times higher than other producing areas in China, 1, 996,5438+0 years. Xinyi Nanzhao won the gold medal in Zhongjing Cup Chinese Herbal Medicine International Expo.