Preparation of fat emulsion injection

What are the difficulties in the preparation of fat emulsion injection?

Introduction to fat emulsion injection: Fat emulsion injection is a common drug in the pharmaceutical industry. It is an oil-in-water (0/W) emulsion. Its prescription composition is usually vegetable oil, emulsifier, glycerin and water. Its preparation process generally has the following processes. Some substances (lecithin, etc.) are first added to the oil phase, and stirred and…