Producing mono- and diglycerides from common oils involves the process of glycerolysis, where triglycerides (the primary components of vegetable oils) are hydrolyzed in the presence of glycerol. Here's a general outline of the procedure:
### Materials Needed:
1. **Vegetable Oil:** Common options include soybean oil, palm oil, or canola oil.
2. **Glycerol:** A liquid byproduct of the biodiesel process, or can be purchased.
3. **Catalyst:**