The putrifactive anaerobes grow best in the low acid canned foods medium acid canned foods high acid canned foods any of these TRUE ANSWER : ? YOUR ANSWER : ?
Canned meat and fish exhibit spoilage by both (a) and (b) Clostridium species Bacillus species Saccharomyces TRUE ANSWER : ? YOUR ANSWER : ?
High acid foods with a pH above 5.3 are especially subjected to both (a) and (b) putrefaction flat sour spoilage TA spoilage TRUE ANSWER : ? YOUR ANSWER : ?
Sulfur stinker spoilage, caused by is uncommonly found in low acid foods medium acid foods high acid foods any of these TRUE ANSWER : ? YOUR ANSWER : ?
Flat sour spoilage of acid foods is caused by B. coagulans B. stearothermophillus B. pepo both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
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 <5.3 <4.5 TRUE ANSWER : ? YOUR ANSWER : ?
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. putrifaciens C. butyricum both (a) and (b) C. sporogenes TRUE ANSWER : ? YOUR ANSWER : ?
The ability of B. coagulans to grow in tomato juice depends upon the the pH of the juice the availability of oxygen number of spores present all of these 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 Cooling water Highly acidic medium TRUE ANSWER : ? YOUR ANSWER : ?
High acid foods with a pH < 3.7 undergo spoilage by do not undergo spoilage by microorganisms Saccharolytic anaerobe B. coagulans both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?