284 Novel food packaging 7. RANDELL, K, AHVENAINEN, R, LATVA-KALA, K, HURME, E, MATTILA- SANDHOLM, T and HYVONEN, L Modified atmosphere-packed marinated chicken breast and rainbow trout quality as affected by package leakage. J. Food Sc.1995,60:.667-72,684 8. AHVENAINEN, R, EILAMO, M and HURME, E. Detection of improper sealing and quality deterioration of MA-packed pizza by a colour indicator. Food Control1997,8:177-84 9. GILCHRIST. J.E. SHAH. D.B. RADLE D.C. and DICKERSoN. R w. Leak detection in flexible retort pouches. J. Food Prot. 1989, 52: 412-15 LAMPL,RA. Retort pouch: the development of a basic packaging concept in oday's high technology era. J. Food Proc. Eng. 1980, 4: 1-18 11. MARCY, J.E. Integrity testing and biotest procedures for heat-sealed containers. In:(Blackiestone, B.A. and Harper, C L, eds), Plastic Package Integrity Testing -Assuring Seal Quality Institute of Packaging Professionals, Herndon, Virginia. pp. 35-48. 1995 12. ROSE, D. Risk factors associated with post process contamination of hear sealed semi-rigid packaging. Techn. Mem. No. 708. CCFRA, Chipping Campden, Gloucestershire, 1994 13. AHVENAINEN, R, HURME, E, RANDELL, K. and EILAMO, M. The effect of akage on the quality of gas-packed foodstuffs and the leak detection VTT Research Notes 1683, Espoo, Finland, 1995 14. AXELSON, L, CAVLIN, S and NORDSTROM, J. Aseptic integrity and microhole determination of packages by electrolytic conductance measurement Pack. Techn. Sci. 1990. 3: 141-62 15. HURME. E, WIRTANEN. G, AXELSON-LARSSON, L. and AhvENAInEN, R Testing of reliability of non-destructive pressure differential package leakage testers with semirigid aseptic cups. Food Control. 1998, 9: 49-55 16. JENSEN, P. Testing of package integrity based on CO2 as a trace gas. Proc APRI Symp. Reims, 9-12 October 1994, 9 p 17. SAFVI A, MEERBAUM, M, MORRIS, S. HARPER, C and o'BRIen w. Acoustic 18 ging of defects in flexible food packages. J. Food Prot.1997,60: 309- SONG,Y,LEE, H. and YAM, K. Feasibility of using a non-destructive ultrasonic technique for detecting defective seals. Pack. Techn. Sci. 1993 6:37-42 19. YAM, K.L. Pressure differential techniques for package integrity inspection In (Blakistone, B.A. and Harper, C.L. eds) Plastic Package Integrity Testing assuring Seal Quality, Institute of Packaging Professionals, Herndon, VA, pp. 137-46, 1995 20. HURME. E. WIRTANEN. G. AXELSON-LARSSON. L. and ahvenainen Reliability of non-destructive pressure differential package leakage testers using semirigid retort trays. Food Sci. Techn. 1998, 31: 461-6 21. HURME E. and AHVENAINEN R. 1998. A nondestructive leak detection method for flexible food packages using hydrogen as a tracer gas. J. Food Prot.1998.61:116597. RANDELL, K., AHVENAINEN, R., LATVA-KALA, K., HURME, E., MATTILA￾SANDHOLM, T. and HYVO¨ NEN, L. Modified atmosphere-packed marinated chicken breast and rainbow trout quality as affected by package leakage. J. Food Sci. 1995, 60: 667–72, 684. 8. AHVENAINEN, R., EILAMO, M. and HURME, E. Detection of improper sealing and quality deterioration of MA-packed pizza by a colour indicator. Food Control 1997, 8: 177–84. 9. GILCHRIST, J.E., SHAH, D.B., RADLE, D.C. and DICKERSON., R.W. Leak detection in flexible retort pouches. J. Food Prot. 1989, 52: 412–15. 10. LAMPI, R.A. Retort pouch: the development of a basic packaging concept in today’s high technology era. J. Food Proc. Eng. 1980, 4: 1–18. 11. MARCY, J.E. Integrity testing and biotest procedures for heat-sealed containers. In: (Blackiestone, B.A. and Harper, C.L., eds), Plastic Package Integrity Testing – Assuring Seal Quality. Institute of Packaging Professionals, Herndon, Virginia. pp. 35–48. 1995. 12. ROSE, D. Risk factors associated with post process contamination of heat sealed semi-rigid packaging. Techn. Mem. No. 708. CCFRA, Chipping Campden, Gloucestershire, 1994. 13. AHVENAINEN, R., HURME, E., RANDELL, K. and EILAMO, M. The effect of leakage on the quality of gas-packed foodstuffs and the leak detection. VTT Research Notes 1683, Espoo, Finland, 1995. 14. AXELSON, L., CAVLIN, S. and NORDSTRO¨ M, J. Aseptic integrity and microhole determination of packages by electrolytic conductance measurement. Pack. Techn. Sci. 1990, 3: 141–62. 15. HURME, E., WIRTANEN, G., AXELSON-LARSSON, L. and AHVENAINEN, R. Testing of reliability of non-destructive pressure differential package leakage testers with semirigid aseptic cups. Food Control. 1998, 9: 49–55. 16. JENSEN, P. Testing of package integrity based on CO2 as a trace gas. Proc. IAPRI Symp. Reims, 9–12 October 1994, 9 p. 17. SAFVI, A., MEERBAUM, M., MORRIS, S., HARPER, C. and O’BRIEN W. Acoustic imaging of defects in flexible food packages. J. Food Prot. 1997, 60: 309– 14. 18. SONG, Y., LEE, H. and YAM, K. Feasibility of using a non-destructive ultrasonic technique for detecting defective seals. Pack. Techn. Sci. 1993, 6: 37–42. 19. YAM, K.L. Pressure differential techniques for package integrity inspection. In (Blakistone, B.A. and Harper, C.L. eds) Plastic Package Integrity Testing – assuring Seal Quality, Institute of Packaging Professionals, Herndon, VA., pp. 137–46, 1995. 20. HURME, E., WIRTANEN, G. AXELSON-LARSSON, L. and AHVENAINEN, R. Reliability of non-destructive pressure differential package leakage testers using semirigid retort trays. Food Sci. Techn. 1998, 31: 461–6. 21. HURME, E. and AHVENAINEN, R. 1998. A nondestructive leak detection method for flexible food packages using hydrogen as a tracer gas. J. Food Prot. 1998, 61: 1165–9. 284 Novel food packaging techniques