On September 19, Xi 'an Lanxiao Technology New Materials Co., Ltd. held the second workshop on separation and purification technology (plant extracts) in Xi 'an, and industry experts and enterprise representatives exchanged and discussed the development of plant extraction industry and new technologies.

Zhang Chengwen, chairman of the Chinese Plant Extract Association and chairman and general manager of Jiaowang Natural Products Co., LTD., believes that the incorrect understanding of industrial hemp should be removed, and China urgently needs to establish an industrial technology cluster and establish a national industry association as soon as possible to promote the healthy development of the industry.

According to reports, cannabis is also known as fire hemp, flax, has a long history of use, cannabis active ingredients are rich in leaves and female flowers, mainly including tetrahydrocannabis (THC), cannabidiol (CBD), cannabinol (CBN), cannabidiol acid and tetrahydrocannabinol acid. Cannabis is a drug that has been banned for 100 years, but cannabis is not a "devil", which contains cannabidiol (CBD) is an "angel" of disease, with anti-tumor, depression, schizophrenia, multiple sclerosis, immune regulation, anti-inflammatory and analgesic effects. In June 2018, a drug developed by GW for the treatment of epilepsy was approved by the US FDA, and other drugs are under development. At present, countries such as Uruguay and Canada have supported the nationwide legalization of marijuana, and most countries such as Argentina and Australia support the legalization of medical marijuana.

Zhang Chengwen believes that industrial hemp, as a plant extract, is the same as paclitaxel and coenzyme Q10, which are high value-added products oriented by drug demand, and the structure and separation technology are similar. However, the technical difficulty is high, it is not mature at present, and there are certain policies and regulations in our country. From the perspective of the development process of paclitaxel and coenzyme Q10, due to the vicious competition after the breakthrough of technical barriers, a high value-added product has become a common product, affecting the development of the industry. Industrial hemp should avoid similar phenomenon.

In the field of industrial hemp CBD separation materials, Xi 'an Lanxiao Technology has formed a certain scale of sales. The company's R & D manager Zhang CLed introduced that the extraction and purification technology of industrial hemp active ingredients is mainly solvent extraction method. Cannabis drugs are used clinically to treat severe and slow pain, Alzheimer's disease, opioid and nicotine dependence resulting in subsequent psychiatric disorders. For example, THC&CBD combined for the treatment of brain glioma, in the second clinical phase; THCV treats type 2 diabetes, CBD treats schizophrenia and so on.

At the seminar, Professor Chen Yuru of Nanjing Normal University, Professor Li Duowei of College of Life Sciences of Northwest University, Researcher Wang Chengzhang of Institute of Forest Chemical Industry of Chinese Academy of Forestry, as well as relevant technical leaders of Lanxiao Technology and representatives of industry enterprises, The paper also discussed the development and application of natural products phenolic acids and rare glycosides, extraction and separation technology of plant heat sensitive substances such as tea polyphenols, special forest extracts and processing and separation technology, resin use and daily maintenance, chromatographic technology and its industrial application. After the seminar, the participants visited Lanxiao Company. (Li Jun)