Method of controlling insects and mites with pulsed ultraviolet

Details Method of controlling insects and mites with pulsed ultraviolet Method of controlling insects and mites with pulsed ultraviolet

1995-11-01

1997-03-04

Yeung, George

Food or edible material: processes, compositions, and products

Direct application of electrical or wave energy to food...

Treatment with ultraviolet or visible light

426521, A23L 300

Patent

active

056077114

ABSTRACT:
A non-chemical, non-residue method of controlling pests, pathogens and other undesirable organisms found in food supplies. The organisms are exposed to ultra-short pulses of ultraviolet light emitted at a wavelength which is absorbed by surface coloring chemicals in the insect, such as entegumen. The coloring chemicals act as a heat sink to the ultraviolet photons, and the undesired organisms are selectively heated without harming adjacent food objects. The heat thus induced in the insects causes irreparable or irreversible lethal damage.

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