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Chemical Preservatives

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Chemical Preservatives

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Food Processing and Preservation

Created by

me yi
me yi
Philippines

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Chemical Preservatives
 

Chemical PreservativesOnline version

Food Processing and Preservation

by me yi
1

Which among the organic acids requires pasteurization treatment?

Written answer

2

Which organic acid is not effective against Acetobacter spp. and LAB

Written answer

3

Sorbic acid is more effective at

4

Sorbic acid is effective against:

Written answer

5

Which among the organic acid is LAB resistant to?

Written answer

6

Which among the organic acid is effective against B. subtilis

Written answer

7

Concentration required for benzoic acid to be effective?

Written answer

8

Benzoates are effective against

Written answer

9

Parabens are derived from

Written answer

10

Used in pH controlled drinks

11

Used in baked goods

12

Used in purees, fruit juices, and soft drinks

13

At what pH does sulfates inhibit molds and yeast

Written answer

14

What does nitrates mainly inhibit?

Written answer

15

Used in dried fruit and wine

16

Used in meat to inhibit C. botulinum

17

Used in dairy products to inhibit Gram positive bacteria

18

Mechanism of nisin

Written answer

19

What lessens the effectivity of Polyphenols

Written answer

Feedback

0.1% Acetic acid in combination with 70 C for 2 minutes

Propionates is mainly used against molds and effective against many bacteria

Effective against molds, yeasts and bacteria

Used to prevent ropiness

Used to prevent ropiness

At higher pH, it inhibits bacteria

 
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