Deactivation of microorganisms by an oscillating magnetic field

Details Deactivation of microorganisms by an oscillating magnetic field Deactivation of microorganisms by an oscillating magnetic field

1983-11-10

1985-06-18

Weinstein, Steven

Food or edible material: processes, compositions, and products

Treatment of packaged product by electrical or wave energy

422 22, 426237, 426241, A23L 300, A23L 326, A61L 202

Patent

active

045240795

ABSTRACT:
Material having relatively high electrical resistivity, such as food products and containers, is disposed within a magnetic coil and subjected to one or more pulses of an oscillating magnetic field having an intensity of between about 2 and about 100 Tesla and a frequency of between about 5 and about 500 kHz. A single pulse of the magnetic field generally decreases the microorganism population by at least about two orders of magnitude, and substantially complete sterility is more closely approached by subjecting the material to additional pulses.

REFERENCES:
patent: 824320 (1906-06-01), Weitzmann
patent: 1044201 (1912-11-01), Lincoln
patent: 1063170 (1913-05-01), Lincoln
patent: 1162213 (1915-11-01), Bloom
patent: 1863222 (1932-06-01), Hoermann
patent: 3494723 (1970-02-01), Gray
patent: 3809845 (1974-05-01), Stenstrom
patent: 3876373 (1975-04-01), Glyptis
patent: 4042325 (1977-08-01), Tensmeyer
patent: 4327180 (1982-04-01), Chen

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