“…The commonest causative agent is Clostridium estertheticum, provoking the so-called blownpack spoilage. Typically, the package is distended by a large amount of gas with a strong unpleasant odor, and the spoiled meat has an altered color and soft consistency (Adam, Flint, & Brightwell, 2013). Psychrophilic clostridia involved in the spoilage of vacuum-packed meat can ferment glucose to form butyric acid, butanol, СО 2 , and H 2 , which also alter the color of meat (Dainty, Edwards, & Hibbard, 1989).…”