Chapter 3 Contamination, Food Allergens, and Foodborne Illness PDF

Chapter 3 Contamination, Food Allergens, and Foodborne Illness Learning Objectives At the end of the chapter the participants must be able to:  Identify biological, physical and chemical contaminants  Identify methods to prevent...

Chapter 3 Contamination, Food Allergens, and Foodborne Illness Learning Objectives At the end of the chapter the participants must be able to:  Identify biological, physical and chemical contaminants  Identify methods to prevent biological, physical and chemical contaminants  Identify the 8 most common allergens, associated symptoms, and methods of preventions  Foodborne Contaminants Biological Chemical Physical Fish toxins Toxic metal Metal shavings Shellfish toxins poisoning from cans, staples Plant and mushroom Chemicals and Fingernails, hair, toxins pesticides bandages  Biological Toxins These Toxins May be produced by pathogens found on food May occur naturally in plants or animals May occur as a result of an animal’s diet Major Foodborne Illnesses from Fish Toxins Fish Toxin Illnesses Scombroid poisoning Ciguatera fish poisoning  Major Foodborne Illnesses from Fish Toxins Illness: Scombroid poisoning Toxin: Histamine Associated Food Common Symptoms Prevention Tuna Reddening of face Purchase fish and neck from approved, Bonito reputable Sweating suppliers Mackerel Headache Prevent time- Mahi mahi Burning or tingling in temperature mouth or throat abuse during storage and preparation Major Foodborne Illnesses from Fish Toxins Illness: Ciguatera fish poisoning Toxin: Ciguatoxin Associated Food Common Symptoms Prevention Predatory reef Reversal of hot and Purchase reef fish: cold sensations fish from Nausea approved, Barracuda reputable Vomiting suppliers Grouper Tingling in fingers, lips, Jacks or toes Snapper Joint and muscle pain Major Foodborne Illnesses from Shellfish Toxins Shellfish Toxin Illnesses Paralytic Shellfish Poisoning (PSP) Neurotoxic Shellfish Poisoning (NSP) Amnesic Shellfish Poisoning (ASP) Major Foodborne Illnesses from Shellfish Toxins Illness: Paralytic Shellfish Poisoning (PSP) Toxin: Saxitoxin Associated Food Common Symptoms Prevention Clams Numbness Purchase Tingling of mouth, shellfish from Mussels approved, face, arms and legs Oysters reputable Dizziness suppliers Scallops Nausea Vomiting Diarrhea Major Foodborne Illnesses from Shellfish Toxins Illness: Neurotoxic Shellfish Poisoning (NSP) Toxin: Brevetoxin Associated Food Common Symptoms Prevention Clams Tingling and numbness Purchase of the lips, tongue, and shellfish from Mussels throat approved, Oysters Dizziness reputable suppliers Reversal of hot and cold sensations Vomiting Diarrhea Major Foodborne Illnesses from Shellfish Toxins Illness: Amnesic Shellfish Poisoning (ASP) Toxin: Domoic acid Associated Food Common Symptoms Prevention Clams Initially: Purchase Vomiting shellfish from Mussels Diarrhea approved, Oysters Abdominal pain reputable Later: (Possibly) suppliers Scallops Confusion Memory loss Disorientation Seizure Coma Mushroom Toxins These Toxins Are present in certain varieties of wild mushrooms Can cause severe illness Are not destroyed by cooking or freezing  Toxic Metals Toxic metal poisoning can occur when: Utensils or equipment containing toxic metals are used to prepare food (especially acidic food) Chemical Carbonated beverage dispensers are Toxins installed improperly To prevent this: Use food-grade utensils and equipment to prepare and store food Have a professional install beverage dispensers Chemical Toxins Chemicals Store away from food, utensils, and equipment Follow manufacturers’ directions for using them Label them properly if they are transferred to new containers Physical Contaminant s Foreign objects accidentally introduced into food: Metal shavings from cans Staples from cartons Glass from broken light bulbs Blades from plastic or rubber scrapers Fingernails, hair, and bandages Dirt Bones  Food Allergens Common Food Allergens Milk and dairy products Eggs and egg products Fish Shellfish Wheat Soy and soy products Peanuts Tree nuts  Food Allergens Symptoms of an allergic reaction include: Itching in and around the mouth, face, or scalp Tightening in the throat Wheezing or shortness of breath Hives Swelling of the face, eyes, hands, or feet Gastrointestinal symptoms Loss of consciousness and death Food Allergens To protect guests with food allergies: Be able to fully describe menu items If you are unsure if an item is allergen free, urge the guest to order something else Ensure that cookware and utensils used to prepare the guests’ food are allergen free