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Heated Canned Foods

Heated Canned Foods
Flat sour spoilage of acid foods is caused by

B. coagulans
B. stearothermophillus
B. pepo
both (a) and (b)

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Heated Canned Foods
High acid foods with a pH < 3.7 undergo spoilage by

both (a) and (b)
Saccharolytic anaerobe
do not undergo spoilage by microorganisms
B. coagulans

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Heated Canned Foods
The butyric acid type of fermentation in acid or medium acid foods, with swelling of the container by the carbon dioxide and hydrogen gas is caused by

both (a) and (b)
C. butyricum
C. sporogenes
C. pasteurianum

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Heated Canned Foods
Which of the following(s) is/are porteolytic or putrefactive decomposing proteins with the production of malodorous compounds such as H2S, mercaptans, ammonia, indole and skatole?

C. butyricum
C. sporogenes
C. putrifaciens
both (a) and (b)

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Heated Canned Foods
Which of the following strain(s), that grow in the jellies and candid fruits, are able to grow in sugar concentration upto 67.5%?

All of these
Aspergillus
Penicillium
Citromyces

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Heated Canned Foods
The ability of B. coagulans to grow in tomato juice depends upon the

the availability of oxygen
number of spores present
all of these
the pH of the juice

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