Cordyceps sinensis, also known as Cordyceps sinensis, is a rare and nourishing medicinal material commonly used in our country and has a high nutritional value. Cordyceps can enhance the body's immune system, nourishing the lungs and kidneys, lung cancer, liver cancer, etc. have a significant inhibitory effect, so Cordyceps processing industry by the attention. So how can we ensure Cordyceps can not only ensure the shape intact but also ensure that nutrients are not lost during processing? The author was informed that low-temperature extraction technology is a good method.

The low-temperature extraction technology achieves the extraction process under low temperature conditions, which overcomes the corrosion of the extract and the dissolution of impurities in the conventional extraction process, and better preserves the active ingredients. According to relevant technical personnel, the low-temperature extraction technology mainly solves the problems of high temperature of traditional extraction processes, corrosion of extracts, large amounts of impurities, loss of large amounts of active components, large amounts of solvents, and high cost of concentrating; at the same time, low-temperature extraction technology will be the original traditional static seepage process. Changing into a dynamic percolation method speeds up the time of percolation extraction, and reduces the traditional 8-10 times amount of solvent to 4-5 times. The low-temperature extraction technology greatly reduces the concentration cost. "Because of the low-temperature extraction technology, the impurities and corrosion of the extract solution are completely solved, so the components of the extract can be preserved more effectively."

Low temperature extraction technology is of great significance for the extraction of active ingredients from traditional Chinese medicine. The author was informed that the development of supercritical low-temperature extraction freeze-drying technology has brought about a new round of technological revolution for Cordyceps processing. Xu Bin, chairman of Wing Heng Group, said that the supercritical low-temperature extraction freeze-drying technology will be a new trend in the development of adult grass-paste industry.

It is understood that traditional Cordyceps most primary processing, the processing of all aspects may affect the quality of the product. After the fresh Cordyceps is unearthed, the soil is brushed off with a brush, and it is easy to cause Cordyceps to break. For this reason, many people in the industry use viscose, or insert a toothpick, etc. to put together, and it takes more than 20 procedures to reach consumers. In the traditional method, Cordyceps saccharifolia has been dried for a long time to lose moisture inside and outside until it is dry. The whole processing process is relatively time-consuming, and eventually causes Cordyceps to lose its original shape and color, and more importantly, a considerable part of the nutrients is for this purpose. Loss.

Relative to sun dried Cordyceps sinensis, the supercritical low-temperature extraction freeze-drying technology used by Tonghan Biotechnology retains the nutrients of Cordyceps militaris and retains its original form and color. In addition, the water in the pre-frozen Cordyceps is sublimated into water vapor in an ice state without being melted by ice at a temperature of minus 30-50 degrees Celsius under a low temperature and a vacuum condition, and then removed. So as to avoid the traditional drying brought discoloration and nutrient loss and other defects.

What is particularly surprising is that the freeze-drying technology has only physical changes in the production process, there is no chemical change, there is no need to use any preservatives, but also can retain more than 98% of the nutrients. Using low-temperature lyophilization extraction technology, the loss of volatile components of Cordyceps militaris is very small. The lyophilized cordyceps is loose and porous, and it can be restored immediately after adding water. Drying can eliminate more than 95-99% of water, so that the dried product can be stored for a long time. Deterioration.

With the improvement of people’s living standards, Cordyceps, a high-end health and health-enriching food and drug product, is gradually entering the eyes of ordinary people. After many people heard about the magical effect of Cordyceps sinensis, it was even more likely to inspire consumption. Therefore, improving the level of Chinese caterpillar fungus and ensuring the quality of Cordyceps is closely watched by companies. The research and development of supercritical low-temperature extraction freeze-drying technology undoubtedly provides a new method for the efficient extraction, separation, preparation and concentration of Cordyceps and the modernization of Chinese medicine. This technology, strong extraction capacity, high extraction rate, can effectively preserve Cordyceps and other active ingredients of Chinese medicine are not destroyed, does not occur secondary, can better guarantee the stability of active ingredients and product quality of Cordyceps and other traditional Chinese medicines. As Cordyceps grows into the homes of ordinary people, supercritical low-temperature extraction freeze-drying technology will also become a new trend in the development of Cordyceps processing industry.

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