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Published October 1987 | public
Journal Article

Partial specific volumes of lipid and water in mixtures of egg lecithin and water

Abstract

We describe in this paper measurements of the partial specific volumes of lipid (ν_L) and water (ν_W) in mechanical mixtures of egg yolk lecithin and water over a range of hydrations (5–55 wt% water) that includes the region at which excess water appears. ν_L and ν_W are found to be very nearly 1 cm^3/g over the entire range. The water activities of the mixtures were also determined and found to be the same as for lipid deposited as oriented multilayers on solid substrates.

Additional Information

© 1987 Biophysical Society. Received for publication 27 January 1987 and in final form 15 June 1987. We are pleased to acknowledge the excellent technical help of Ms. April Diaz and Mr. Sergio Lugo and helpful discussions with Dr. Robert McDaniel. This research was supported by grants from the National Science Foundation and the National Institutes of Health.

Additional details

Created:
August 19, 2023
Modified:
October 18, 2023