Causative Organism of TA Spoilage in Canned Meat

Question

TA spoilage of canned meat is caused by:

Select an answer

TA spoilage of canned meat is caused by:

  1. Clostridium thermosaccharolyticum — Correct Answer
  2. Bacillus coagulans
  3. Clostridium nigrificans
  4. Bacillus stearothermophilus
Explanation:
Correct Answer: Clostridium thermosaccharolyticum

TA (Thermophilic Anaerobic) spoilage of canned meat is caused by Clostridium thermosaccharolyticum — a thermophilic, anaerobic, spore-forming bacterium.

Characteristics of TA Spoilage
  • Both ends of the can bulge (swell) due to gas (CO₂ + H₂) production.
  • Product has a sour, butyric (rancid butter) odour.
  • Occurs when cans are stored at high ambient temperatures (above 40°C), e.g., during tropical storage.
Canned Meat Spoilage Summary
Spoilage Type Causative Organism Key Feature
TA Spoilage Clostridium thermosaccharolyticum Gas + sour odour; swell
Flat Sour Bacillus coagulans, B. stearothermophilus Sour; NO swelling
Sulphur Stinker Clostridium nigrificans H₂S gas; black inner can surface
Hydrogen Swell Chemical (acid + tin) H₂ gas; no microbial involvement

📚 About this Topic — Animal Refresher

This multiple choice question is from Animal Refresher, Meat Science. It has 4 options with a detailed explanation of the correct answer. Practice more MCQs from Animal Refresher to strengthen your preparation.

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