Microwave extraction technology
    Microwave extraction with extraction time is short , good selectivity and high recovery, less solvent consumption , low pollution , with water as the extractant , automatic control of sample preparation conditions , etc. In recent years research in the device application development, mechanism of such aspects have been reported .
    GanzIer.K other for the first time in high-power microwave applications leaching , the leaching of microwave lupine , corn and other oils and fats , gossypol and other active ingredients . Microwave leaching experiments showed up just 2 min, while the traditional method ( Soxhlet extraction method ) is required in order to extract the full 3h subsequently , with the help of microwave application value leach the chemical , pharmaceutical composition , in the 1990s by the Canadian , U.S. researchers led by the extensive attention in recent years, this is our country's scientific and technological workers also carried out extensive exploratory study , and received a lot of research results.
    Orioles end product is a valuable natural spices, type in lavender , toilet water type , Cologne flavor is particularly appropriate. Extracts and its derivatives have been listed for human consumption additives ranks. Warbler tail extract processing of traditional production methods complex , long extraction time , solvent consumption large . Huang Ruohua such as the use of the modified household microwave oven as the main equipment, microwave extraction process warbler tail factors were studied. extraction and use of the product by GC-MS studies showed that: microwave extraction method is more suitable for extracting fragrant mandarin duck tail root with the traditional Soxhlet extraction compared with the extraction time is short, less solvent , solvent recovery, product extraction rate, incense
Pure gas , etc. . With supercritical carbon dioxide extraction compared , but also has low cost, less investment , product quality and considerable advantages. Yang Haiyan other studies using dichloromethane as extraction agent, microwave extraction of natural spices grass pay the active ingredients through the sample analysis of the results to determine the optimum extraction time and microwave conditions geranium essential oil is usually called geranium oil , mainly for flavor precursor raw material, adding to the food and cosmetic products. Danruo Fu and so try to use the microwave irradiation -induced extraction of this new technology to extract geranium oil , which determine the optimum conditions , the technology is characterized by extraction with a very short time , while
Can prevent the loss of heat-sensitive substances , and also directly adopt new spice plants collected for extraction , do not like other conventional methods prior to extraction as the material for drying pretreatment .
    Development of high technology , the depletion of natural energy resources , shortage of natural resources , health food sells all of this is the development of microwave extraction technology has opened the way for the existing research results also showed its unique advantages: fast extraction high yield , good quality, safety and no pollution , etc. it is not only in theory is a good research topic , and can be expected in the future industrial production will have broad application prospects .