The leftovers of plants such as fruit trees, star anise, and mushrooms have now become rare raw materials for Xinghua Green Biological Products Co., Ltd. The company's high purity natural plant extracts such as shikimic acid, phlorizin, and phloretin are widely used in the production of pharmaceuticals, health products and foods. Among them, shikimic acid extracted from star anise has been collected by the National Medicinal Repository and has become the main raw material for the production of anti-avian flu virus "Tamiflu."
On the morning of March 20, when the reporter came to the Green Company located in the Xinghua Economic Development Zone, workers were packing 1 ton of lentinan to a health care product manufacturer in Shanghai. "Lentipathic polysaccharides are extracted from the shiitake of shiitake mushrooms and can significantly improve humoral immunity and cellular immunity, and have the ability to inhibit tumors," said Green's engineer in Qinghai. The extraction rate of lentinan is 100 to 2, that is, the extraction of 2 tons of lentinan requires 100 tons of mushroom waste. The market price of lentinan is about 350,000 yuan per ton. The company produces 1 ton of lentinan polysaccharides per month for sale to Shanghai. The waste of the mushrooms from Xinghua, Dongtai and Gaoyou was almost completely taken over by the company as a raw material for production.
Qinghai said that once the company settled in the end of 2005, it focused on the research and development of anti-avian influenza virus drugs. At the end of 2006, the company finally succeeded in extracting shikimic acid with a purity of more than 99% from the stems of star anise. Shikimic acid is an intermediate for the anti-avian influenza drug "Tamiflu," but the star anise is produced in distant Guangxi. The extraction of 1 ton of shikimic acid with a purity of more than 99% requires more than 350 tons of star anise, and the cost of transporting the raw materials back for production is high. In early 2007, Green's company established a workshop for the production of shikimic acid in Guangxi under the support of the Guangxi Institute of Forestry Science and Technology. In that year, the National Medical Repository began acquiring the company's shikimic acid as the main raw material for the production of Tamiflu.
The company established a stevia raw material planting base in Taozhuang Town and Xinghua Economic Development Zone, forming an industrial chain for raw material production and industrial extraction of stevioside A3. Stevioside A3 is 400 times as sweet as sucrose, but it is not absorbed by the human body. It is a natural "additive" for the food and beverage industry. “There are few companies that can produce this extract in China. At present, we have reached sales agreements with a number of food processing and additive distribution companies in the United States, Australia, and New Zealand.†Zhou Boya, chairman of Green's company, said that once the product is produced on a large scale, Most likely to become a supplier of sweeteners to PepsiCo.
Greentech also purchased waste apple branches and stems from Xuzhou and Shandong and crushed it into small pieces to extract phlorizin and phloretin from the apple and supply them to pharmaceutical companies as natural raw materials for pharmaceutical production.
"This year the company expects to produce 15 tons of various plant extracts." Zhou Boya said that because the company produces high-purity natural plant extracts, the cost is very high. Most companies still use synthetic or chemical synthesis alternatives. With people’s growing concerns about health issues, the demand for plant extracts will also increase.
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