Preservation of Phospholipids

The best method for preserving phospholipids and triglycerides is through ultrarapid cryofixation followed by freeze drying.

Reference:
Hagler, H.K. and Buja, L.M. (1986). Effect of specimen preparation and section transfer techniques on the preservation of ultrastructure, liquids and elements in cryosections. J. Microsc.,141:311