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Irradiation

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Total cards: 10•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (10)

#1
Front (Question)

The electromagnetic radiation differs in

Back (Answer)

1) Wavelength 2) Frequency 3) Penetration

#2
Front (Question)

A light bulb emits __________ energy; however, there are other forms of energy that cannot be detected by the human eye, like cosmic rays, _______________ and ____________________

Back (Answer)

Visible; radio waves; ultra-violet (UV) light

#3
Front (Question)

Ionizing radiations penetrate food materials to dry degrees, depending on the ____________________ and ____________________

Back (Answer)

Nature of food and characteristics of radiation

#4
Front (Question)

The most radiation resistant microorganism is ____________________

Back (Answer)

Clostridium botulinum

#5
Front (Question)

Some elements such as __________ are naturally radioactive; there can be radioactive by high-energy bombardment of their atoms, as in the case of __________

Back (Answer)

Uranium; Cobalt-60

#6
Front (Question)

____________________ is a sensitive mixture of proteins and becomes thin and watery with a moderate radiation dose of 0.6 MRAD

Back (Answer)

Egg white

#7
Front (Question)

Water in food is classified according to its __________

Back (Answer)

Mobility

#8
Front (Question)

Shelf-life is quality-sustaining reactions (e.g. enzymatic reactions, Maillard browning, and oxidation) are dependent not so much on water content, but on ____________________

Back (Answer)

Water activity

#9
Front (Question)

Give one example of protein gel and one example of carbohydrate gel

Back (Answer)

PROTEIN GEL: Gelatin (jello) CARBOHYDRATE GEL: Pectin (jams/jellies)

#10
Front (Question)

In ________, the FDA approved irradiation as a means of controlling microorganisms on spices, and in ________, the FDA widened the allowed uses of irradiation to additional foods, such as strawberries, poultry, ground beef, and pork

Back (Answer)

1983; 1985