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Heated Canned Foods

Heated Canned Foods
Medium acid foods with a pH between 5.3 and 4.5 are likely to undergo

both (a) and (b)
putrefaction
TA spoilage
flat sour spoilage

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Heated Canned Foods
The presence of viable non-spore forming bacteria in heat process canned foods indicates leakage of the container. Which of the following is responsible for the spoilage of leaky cans?

Highly acidic medium
Plant equipment
High sugar content
Cooling water

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Heated Canned Foods
Acid foods with a pH between 4.5 and 3.7 usually are spoiled by

B. coagulans
both (a) and (b)
Saccharolytic anaerobe
none of these

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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
Penicillium
Citromyces
Aspergillus

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

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

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

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

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