Food microbiology fdt 3301/5301

TRICHINELLA SPIRALIS

• Trichinella spiralis is a roundworm present in in pigs, and also game animals.
• A person gets infected by consuming raw or undercooked meat of infected animals.
• the cysts in the meat dissolve in the GI tract, releasing the larvae which infect other body tissues
• symptoms are nausea, vomiting, and diarrhea, followed by fever, swelling of eyes, muscular pain, and respiratory difficulties.
• In extreme cases, toxemia and death may result.

TAENIA SPP

• Taenia solium from pork and Taenia saginata from beef.
• the illness results from the ingestion of raw or undercooked meat
• eggs hatch and the larvae then migrate to various parts of the body and form cysts
• this can be a serious or fatal disease if it involves organs such as the central nervous system, heart, or eyes
• Taenia solium infections can lead to cysticercosis, which is a disease that can cause seizures

TOXOPLASMA GONDII

• Toxoplasmosis is a tissue protozoan disease caused by Toxoplasma gondii
• transmitted to humans from the consumption of undercooked and raw meat and raw milk contaminated with feces, especially from cats
• In many people, it does not cause any problems
• symptoms are generally flu-like, with fever and headache
• can cause fatal deformation and be life-threatening in immunocompromised people

GIARDIA LAMBLIA

• Giardiasis is produced by the intestinal protozan Giardia lamblia.
• Giardiasis is food- and waterborne disease in many parts of the world.
• Contaminated water, raw vegetables, foods such as salads and sandwiches, and poor personal hygiene are considered the major causes of the disease.
• The main symptoms are acute or chronic diarrhea and abdominal pain.