Soy lecithin or Phospholipids contain various substances such as Phospholipids, triacylglycerols, fatty acids, and glycolipids. The significant phospholipids include phosphatidylcholine, phosphatidylethanolamine, and inositol-containing phosphatides.
There are two forms of soy Lecithin: Soy Lecithin Oil and Deoiled soy Lecithin.
- Crude Soy Lecithin Oil Fractionation:
Soybean Oil: 35%-55%
Phosphatidylcholine (PC): 15-18%
Phosphatidylethanolamine (PE): 12-14%
Inositol phosphatides (PI): 9-10%
Phosphatidic acid (PA): 3-5%
Minor PLs: 2%
Glycolipids: 8-10%
Complexed sugars: 3-5% - Deoiled Soy Lecithin (Powder/granules)
Phosphatidylcholine (PC): 20-23%
Phosphatidylethanolamine (PE): 20%
Inositol phosphatides (PI): 9-10%
Phosphatidic acid (PA): 8%
Minor PLs: 5-8%
Glycolipids: 8-10%
Complexed sugars: 8%
Neutral lipids: 3%