Here is some recent literature on high pressure food processing:
Hoover DG (1993). Food Technol. 47 (6): 150-155 (review)
Knorr D. (1993) Food Technol. 47 (6) 156-162 (review)
High Pressure and Biotechnology, Proc. 1st Eur. Seminaron High Pressure and
Biotechnology, jointly with Fifth Symp. on High Pressure and Food Science,
La Grande Motte, France, 13-17 SepT. 1992. C. Balny, R. Hayashi, K. Heremans,
P. Masson (Eds.), John Libbey Eurotext, Montrouge, France. ISBN 0 86196 363 6.
Hope this helps you further.
Chris Michiels