After meat goes bad, microorganisms multiply and produce metabolites, such as botulinum toxin, which will destroy the nerves of human body and lead to muscle stiffness and paralysis. Other metabolites can also cause acute poisoning, and consumers will have symptoms such as nausea, vomiting, diarrhea, abdominal pain, dizziness, and even coma or even death due to heart failure.
Extended data:
Taste discrimination:
1. sour smell. Foods rich in carbohydrates, such as grains, vegetables, fruits, sugars and their products, deteriorate, mainly producing sour taste and taste. Carbohydrates will ferment and turn sour under the action of microorganisms or enzymes. Rice turns sour, cakes turn sour and fruits rot.
2, musty. Food contaminated by mold usually goes moldy and goes bad in a warm and humid environment. Mold usually grows easily on foods containing carbohydrates. Grain is the most damaged food by mold, so it must be ventilated to prevent mold growth.
3, rancid smell. Protein-rich food is mainly decomposed by protein, which produces rancid smell. Common examples such as fish, pork, eggs, tofu, dried tofu and other foods deteriorate to produce rancid smell.
Baidu encyclopedia-food deterioration