Tara McHugh

Tara McHugh

Roberto Avena-Bustillos

Ultrafiltration (UF) is a selective separation step used to both concentrate and purify components of medium to high molecular weight, such as plant and dairy proteins, carbohydrates, and enzymes.

In 1850, Thomas Graham, a chemist in Glasgow, Scotland, demonstrated diffusion of gases across a semipermeable membrane, and in 1861, he reported his first dialysis experiments, which allowed separation of dissolved substances or removal of water from solutions through synthetic semipermeable membranes…

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About the Authors

Tara McHugh, Contributing Editor, Processing column
[email protected]
Tara McHugh
Roberto Avena-Bustillos, PhD, is a research food technologist at the U.S. Dept. of Agriculture, Agricultural Research Service
([email protected]).

In This Article

  1. Dairy
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