Test 7

Question 1

If you have an allergic reaction from drinking wine, the likely cause is:

Answer 1

sulfites

Question 2

Pediococcus spp. are commonly used to produce fermented foods from what food source?

Answer 2

meats

Question 3

Leuconostoc spp. are commonly used to produce fermented foods from what food source?

Answer 3

vegetables

Question 4

Parabens inhibit yeast, molds, Gram-positive, and Gram-negative bacteria. However, thier use in foods is limited. The most common application of parabens is in:

Answer 4

cosmetics

Question 5

Nitrites combine with secondary amines to form what carcinogenic compond?

Answer 5

nitrosamine

Question 6

Nisin is approved for use in what food products in the US?

Answer 6

processed cheese

Question 7

Natamycin is an antifungal agent used exclusively for what food product?

Answer 7

cheese

Question 8

In what food product would you commonly find sodium lactate?

Answer 8

hot dogs

Question 9

Bacteriophages are approved for use in what food prodcuts specifically to control Listeria monocytogenes?

Answer 9

ready-to-eat meats

Question 10

Brevibacterium linens is used as a post-fermentaion flavor producer in what?

Answer 10

limburger cheese

Question 11

Yeast fermentation of grapes that contain 30% sugar would result in wine with about what alcohol content?

Answer 11

15%

Question 12

This concept utilized multiple barriers that, individually, may not affect microbial growth in foods, but collectively, are effective as an antimicrobial system?

Answer 12

hurdle technology

Question 13

This form of non-ionizing radiation has low penetrating capability?

Answer 13

UV

Question 14

What universal symbol is used to indicate that foods have been treated by irradiation?

Answer 14

radura

Question 15

What is approved radioactive source of gamma rays for treating foods?

Answer 15

Cs137

Question 16

Colbalt60 degrades to what non-radioactive element?

Answer 16

nickel

Question 17

Concrete walls of what minimum thickness (in feet) are required to as shielding from gamma irrdiation?

Answer 17

6

Question 18

The process of using high dosages of gamma irradtion, in the range of 30-45 KGy, used to sterilze foods is named for:

Answer 18

Nicolas Appert

Question 19

One of the most unusual applications of food irradiation, currently pending approval, is for the treatment of:

Answer 19

unrefrigerated meats

Question 20

Pascalization is the treatment of foods with:

Answer 20

high pressure

Question 21

This low-penetration form of ionizing irradtion can be used to treat large volumes of food product surfaces:

Answer 21

e-beam

Question 22

What comon household food product is treated with irradition but has no indication of such treatment on its label?

Answer 22

black pepper/spices