coptis trifolia coptis deltoidea

In 1954, the "Shizhu Coptis was listed as a national drug", and it was used for unified purchase and sales, which amounted to more than 630,000 pounds, accounting for the whole of China.

Two thirds; Sichuan government approved the establishment of China's first Huanglian Plantation and Science and Technology Institute in Huangshui, Shizuo County in 1958; at the [National Symposium on Medicinal Herbs" in Tai'an, Shandong Province in 1989, the [Stone Column" was attended by 176 participants. The experts were unanimously confirmed as authentic Coptis; in November 2001, the Ministry of Science and Technology of the People's Republic of China was identified as the "China High Quality Chinese Medicinal Material (Huang Lian) Demonstration Planting Base"; in December 2003, it was identified as "Chongqing Famous Brand Agricultural Product" by the Chongqing Famous Brand Agricultural Product Certification Committee. On December 23, 2003, the [Protection of the Origin of Shizhu Coptis" has been reviewed and approved by experts. The General Administration of Quality Supervision, Inspection and Quarantine issued Notice No. 144 on October 10, 2004; Shi Zhu Huang Lian`s GAP certification was issued on August 23, 2004. On the 25th day, it was reviewed and approved by experts from the China Food and Drug Administration's GAP Certification Center. In April 2004, it was awarded the title of [China's famous best-selling brand" by the China Famous Brand and Market Strategy Promotion Committee; in August 2004, it was approved by the national GAP.