1 of 10

Slide Notes

DownloadGo Live

Food Science

Published on Nov 20, 2015

No Description

PRESENTATION OUTLINE

MICROBIOLOGY

GAYLE THIEL

FOOD INTOXICATION

Photo by Paco CT

CLOSTRIDIUM PERFRINGENS

  • Spore forming gram positive bacterium that is found in many enviromental sources as well as in the intestines of humans and animals!
  • Symptoms : abdominal cramping, diarrhea, lasts 6-24 hours, NO fever, NO vomiting.
  • Source : raw meat & poultry. The bacteria produces a toxin inside the intestines thatbcauses the illness.
  • Prevention : thoroughly cook food, then keep food warmer than 140 F or cooler than 41 F. Do not eat food that is left ooutnin the open!!!
  • Treatment : oral rehydration, IV fluids, NO antibiotics.
Photo by fjbengoat

STAPHYLOCOCCUS AUREUS

  • A bacteria that 30% of people carry in their nose.
  • Symptoms : pocket of puss, painful red swellings, rash warm to touch, fever, chills.
  • Source : more common to those who have chronic illness and weak immune systems, caused bybcontaminated hands.
  • Prevention : WASH YOUR HANDS!
  • Treatment : antibiotics, most common used is penicillin.
Photo by chrstphre

CLOSTRIDIUM BOTULINUM

  • Gram positive, rod shaped, spore forming bacteria.
  • Symptoms : double vision, drooping eyelids, slurred speech, dry mouth, muscle weakness.
  • Source : soil, bacterial toxin can be found on the floors and countertops of homes even sfter cleaning.
  • Prevention : follow strict hygiene procedures to reudce contamination of food.
  • Treatment : breathing machines may be needed, intensive medical care, and antitoxins.
Photo by Microbe World

FOOD INFECTIONS

Photo by epSos.de

SALMONELLA ENTERITIDIS

  • Pathogen of poultry, bacteria.
  • Symptoms : fever, abdominal cramps, diarrhea, begins 12-72 hours after contamination, last anywhere from 4-7 days.
  • Source : eggs, raw poultry.
  • Prevention : thoroughly cook food, refrigerate, wash hands after handling raw food products, discard broken eggs you buy from the store.
  • Treatment : antibiotics.
Photo by USDAgov

ESCHERIA COLI 0517 : HZ

  • Gram negative, bacterium.
  • Symptoms : fever, nausea, vomiting, cramps, bloody diarrhea.
  • Source : lower intestines of warm blooded organisms, contagious and can be spread from person to person by fecal contamination.
  • Prevention : eat well cooked foods, drink treated or pasteurized fluids, avoid touching or eating anything contaminated.
  • Treatment : there is no vaccine available.
Photo by Microbe World

LISTERIA MONOCYTOGENES

  • Bacterium that causes the infection listeriosis.
  • Symptoms : fever, muscle aches, nausea, diarrhea, infection spread to the nervous system may cause headaches.
  • Source: foods contaminated with the bacterium.
  • Prevention : wash all produce, avoid cross contamination between raw meat and vegetables, BE CLEAN!!!
  • Treatment : antibiotics.
Photo by AJC1