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 >5.3 >4.5 <5.3 TRUE ANSWER : ? YOUR ANSWER : ?
The most important kind of chemical spoilage of canned foods is the hydrogen swell which is favored by increasing temperature of storage all of these increasing acidities of foods imperfection in the tinning and lacquering TRUE ANSWER : ? YOUR ANSWER : ?
Sulfur stinker spoilage, caused by is uncommonly found in medium acid foods low acid foods any of these high acid foods TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following species can cause bitterness, acidity and curdling in canned milk, cream and evaporated milk? Saccharomyces Bacillus Clostridium both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
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? High sugar content Plant equipment Highly acidic medium Cooling water TRUE ANSWER : ? YOUR ANSWER : ?
Canned poultry is more often spoiled by Saccharolytic Clostridia than by putrefactive Saccharomyces species Micrococcus species putrefactive than by Saccharolytic Clostridia TRUE ANSWER : ? YOUR ANSWER : ?
The ability of B. coagulans to grow in tomato juice depends upon the the availability of oxygen all of these the pH of the juice number of spores present TRUE ANSWER : ? YOUR ANSWER : ?
Flat sour spoilage of acid foods is caused by B. coagulans B. pepo both (a) and (b) B. stearothermophillus TRUE ANSWER : ? YOUR ANSWER : ?
High acid foods with a pH < 3.7 undergo spoilage by B. coagulans both (a) and (b) Saccharolytic anaerobe do not undergo spoilage by microorganisms TRUE ANSWER : ? YOUR ANSWER : ?
High acid foods with a pH above 5.3 are especially subjected to both (a) and (b) TA spoilage flat sour spoilage putrefaction TRUE ANSWER : ? YOUR ANSWER : ?