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Heated Canned Foods

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

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

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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%?

Citromyces
Penicillium
All of these
Aspergillus

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

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

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Heated Canned Foods
The canned acid foods such as pineapple, tomatoes and pears have been found spoiled by C. pasteurianum. Such spoilage is more likely when the pH of the food is

<4.5
>4.5
<5.3
>5.3

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Heated Canned Foods
The immediate source of the flat sour bacteria is usually the

plant equipment
soil
sugar
starch

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Heated Canned Foods
Sulfur stinker spoilage, caused by is uncommonly found in

high acid foods
medium acid foods
any of these
low acid foods

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