Abstract: A concentrate, characterized in that the concentrate contains a poorly soluble drug and a self-emulsifying carrier. The selfemulsifying carrier consists of the following substances: a composite emulsifier, which consists of phospholipid and nonphospholipid emulsifiers; an oil, which is medium chain triglyceride; and a co-emulsifier, which is anhydrous ethanol. The phospholipid is selected from soybean phospholipid, egg yolk lecithin, and a mixture thereof. The concentrate can be used to prepare an intravenous injection emulsion.

Abstract: The invention relates to fat emulsions, particularly to a use of high-concentration glycerol in freeze-thaw resistant emulsions and a free-thaw resistant emulsion thereof. The said high-concentration glycerol is the glycerol that is greater than or equal to 3 w/v % in the emulsion composition. The maximum percentage of the glycerol in the emulsion is 50 w/v %. When the percentage of the oil in the emulsion is 2%-30 w/v %, the glycerol is more than or equal to ? of the oil in the emulsion. The invention comprises a drug-contained emulsion through including drugs. Compared with prior arts, the invention provides a freeze-thaw resistant emulsion which tolerates the low-temperature freeze-thaw experiments, avoiding the pharmaceutical stability issues due to the temperature changes during the emulsion transport, storage and utilization, ensuring medicine quality, meanwhile it drastically reduces the requirements of the transport and storage conditions as well as the medicine costs.