2. Exocarpium Citri Grandis Exocarpium Citri Grandis, a specialty of Huazhou City, Maoming City, Guangdong Province, and a symbol product of chinese national geography.
3. As early as the Southern Song Dynasty, Huazhou began to plant exocarpium Citri Grandis, which became a court tribute in Ming and Qing Dynasties. Its preparations and handicrafts were once very popular, and it was one of the "Four South Medicines" and "Ten Guangzhou Pharmaceuticals" in China. In 2006, Exocarpium Citri Grandis was included in the protection of national geographical indication products, and in June 2009, Huazhou was awarded the title of "Hometown of Exocarpium Citri Grandis in China". Huazhou orange has a long history of production and development, and was once listed as a palace tribute in Ming and Qing Dynasties. Because of its unique medicinal effects of invigorating stomach, promoting qi circulation, resolving phlegm and relieving cough, it has been identified as a traditional Chinese medicine. In 20 12, Exocarpium Citri Grandis (traditional Chinese medicine culture) was selected as an intangible cultural heritage project in Guangdong Province, and in the same year, Exocarpium Citri Grandis was listed in the United States Pharmacopoeia.