How to extract the active ingredients of the medicinal fungi Chaga and realize the efficient use of rare resources Chaga is one of the focuses of the international health industry. In recent years, with the joint efforts of China Chaga and the Russian Chaga Company, the technology and process for extracting the effective components of Chaga have been improving day by day, and a series of modern technological processes centering on low-temperature wall-broken extraction technology have been gradually formed.

“Based on modern production processes such as ultra-microscopic comminution, supercritical low-temperature extraction and low-temperature vacuum drying, the absorption and utilization rate of Chaga can be increased to more than 98%, enabling it to be used immediately like honey.” Beijing Siberian White Birch Rongbo R&D Co., Ltd. Chairman Yang Bo told reporters. It is reported that Beijing Siberian Chaga R&D Co., Ltd. has entered into a strategic cooperation with Russia's largest Chaga-Russia company, Russian Siberian Natural Wild Plants Co., Ltd., to jointly invest in the construction of a research center and a modern production base of Chaga in Irkutsk.

(Figure: Siberian Chaga modern production base)

Ultra-micro-pulverization allows effective dissolution of the active ingredient

Chaga is hard and its active ingredient is hidden inside its cell wall. The traditional use of chamomile tea with boiled water, the active ingredient penetrates very slowly and insufficiently from the cell wall, which in turn causes a great waste of Chaga resources. To this end, the Sino-Russian Chaga technical team took the lead in applying the ultra-micro-breaking crushing process to the pretreatment of the active ingredients of Chaga.

According to the technical personnel of Beijing Siberian Chaga Rujiang R&D Co., Ltd., this is a technology that uses mechanical and hydrodynamic methods to overcome the solid internal cohesion and break it up, so that more than 3 millimeters of shirasu particles are crushed to 10-25 micron and even At the nanoscale, the cell wall breaks down and the active ingredient is fully released. Taking the polysaccharide of main effective component of Chaga as an example, the extraction rate is increased by 2-5 times after ultra-micro-pulverization and the oxidation resistance is also enhanced. In addition, the bulk density, angle of repose, sliding angle, water solubility index, and swelling degree of Chaga powder are relatively high, and the water holding capacity and oil holding capacity are significantly reduced.

(Picture: Superfine powder of Chaga after ultra-fine broken-wall crushing process)

Supercritical cryogenic extraction maximizes retention of active ingredients

Secondly, the Sino-Russian Chaga technical team took the lead in applying the supercritical low-temperature extraction process to extract the effective components of Chaga. Supercritical fluid is a supercritical fluid. It is a gas-liquid non-liquid and non-liquid state that can exist only when its temperature and pressure exceed the critical point. The supercritical fluid has a relatively high density and is similar to a liquid, and its viscosity is relatively close to that of a gas. Therefore, a supercritical fluid is an ideal extractant.

Through the supercritical low-temperature extraction process, ash, crude fiber, and other ineffective impurities can be fully removed. The active ingredient of Chaga is a series of highly active substances. Excessive temperatures during extraction and use can destroy its activity and result in unstable or degraded product quality. Therefore, extraction at low temperature can completely retain its natural nutrients. Tests show that the absorption rate of imported Siberian Chaga can reach more than 98%.

(Figure: Siberian Chaga Supercritical Low Temperature Extraction Process)

Low-temperature vacuum drying makes product quality more stable

After ultra-thin-wall crushing and supercritical low-temperature extraction processes, it is also necessary to encapsulate through a low-temperature vacuum drying process. Continuously extract air to remove the water vapor from the Chaga extract. Withdrawal of water facilitates the product to have a longer shelf life, and forms a porous, loose shape inside the product, retaining the original material properties of the product and having a good appearance. Drying in a low-temperature environment ensures that the active ingredients of Chaga are not destroyed.

In addition, Beijing Siberian Chaga Velvet R&D Co., Ltd. has jointly developed and introduced Siberian Chaga to China. It also adopted the innovative design of inner and outer bottles and double-layer hollows for the first time. The double-layered hollow packaging is more conducive to product preservation and improves product use. The quality of stability. At the same time, a customized dial mechanical thermometer is prepared for the user to help the user to more accurately and conveniently detect the temperature of brewed into boiling water when using Siberian Chaga, in order to fully ensure the biological activity of Chaga, the brewing water temperature is controlled 50-60°C is the best.

(Figure: Siberian Chaga low-temperature vacuum drying process)

“Betula is parasitic on birch trees and its wild resources are extremely scarce. It is mainly produced from Russian Siberian primeval forest. The innovation and improvement of its effective component extraction technology will greatly increase the application value of Chaga in the health field,” industry analysts pointed out. Related studies have confirmed that Chaga contains more than 215 active ingredients such as superoxide dismutase, polysaccharides, fungal peptides, inonotulin, inulin, and a variety of antioxidant triterpenes, which can be widely used Cancer, diabetes, cardiovascular and cerebrovascular diseases and other fields.

It is understood that Russia has approved more than ten types of Chaga drugs that are currently listed on the market. It is recommended by the Bulohim Tumor Medical Center of the Russian Academy of Medical Sciences and is widely used in many malignant tumors, diabetes, cardiovascular and cerebrovascular diseases, as well as liver diseases and stomach diseases. Nowadays, drugs containing Chaga extract have been identified as anti-cancer drugs for clinical use in Japan and South Korea. In China, along with the continuous advancement of the “Belt and Road, Healthy China” Siberian Chaga into Chinese projects, Chaga is becoming a new choice for people to maintain health and prevent chronic diseases.

(Original title: New progress in the extraction of effective components from Chaga chinensis in supercritical low-temperature extraction)

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