Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/52

Click to flip

52 Cards in this Set

  • Front
  • Back

Leeuwenhoek

Invented Microscope

Appert

Father of Canning

Pasteuer

discovered microorganisms cause food to spoil not air

Koch

'Germ Theory'




Take colonies from disease animal and inject them in a healthy animal, that animal gets sick

Bacteria: how does it reproduce

reproduce by binary fission

Yeast how does it reproduce

Reproduce by budding

Mold: how does it reproduce

reproduce w/airborne spores produces filaments

Viruses

do not grow in food spoilage organism

FAT-TOM

Food, Acid, Temp-Time, Oxygen, moisture




bacteria likes protien, yeast needs sugar, mold; anything

Pathogen

something that gets you sick

Acids

pathogens wont grow under ph 4.6 (high acid)

Thermophile

Likes heat

Thermoduric

withstand heat treatment

mesophile

likes room temp to body temp

psycophile

prefers low temps

psychrotroph

will grow at low temps but prefers room

aerobic

grows with oxygen

anaerobic

only grows without oxygen

facultative anaerobiic

can grow in either anaerobic or aerobic

water activity

availability of water

two ways we can get rid of water

1) dry it


2) salt or sugar it (traps water in)

Inhibitory substances

helps with spoilage

how do they respond to diverse condition

death, dormancy, endospore (these are super hard to kill)

Inhibitory substances happen by

Naturally, benzoates, fermitatin, alcholol, propionate

Food Born intoxication

produces illness in food/toxin in food

Staphyloccus

human source


low body temp


cooking doesnt destroy toxin



Clostridiom

heat labile neurotoxin


endospore former


causes paralysis and respitory failure


INFANTS SHOULDNT HAVE HONEY CAUSE HUNNY HAS THIS



Bacilius

endospre former


2 toxins


1. diarrheal


2. strong emetic (vomiting)


associated with rice



Mycotoxin (mold)

not protiens


aflatoxin: potent liver carcinogen


corn and peanuts



Teratogen

causes birth defects

Food infection

consume food that has a pathogen in it

salmonella

2000 species


poulty


fever

Listeria

psycrotroph


can cause still birth


deli food

vibrio

in oysters, can be deadly

Yersinia

mimics appendicitis


pork products


psychrotroph

Campylobacter

CAUSES MORE FOODBORN ILLNESS FROM BACTERIA THAN ANY OTHER


>poultry


> high motalitiy/high morbidity



Toxin Mediated fooborn infection

also causes by micro-organsim which prodcues a toxin inside you

Shigella

targets populations


flu like symptoms


intestinal track of humans

Escherichia

intestinal track


really really bad


severe cramping,


abdominal pain and diarrhea

Viral infections

fecally transmitted

Hepatitis A

Liver disease


long delay ont

Norovirus

most common cause of foodborne gastronintestinal illness

Giardia

parasite


flatulence, diarrhea, fatigue, weekness etc


wont kill you

toxoplasma

in cats..


flu like symptoms


if gets into pregnant women, can cause mental retardation in child or spontaneous abortion

Goitrogens

Swelling of thryriod

Cyogenic

pants seeds


explosive diarrhea


loss of appetite

oxalates

can kill you


in rhubarb leaves

Metazoa

Trichinella

pork and wild game


nausea and vominting


muscle pain

Anasakis

in raw fish


cook all the way through


cramps nausea etc


coughing or vomiting of worms



Ascaris

fecially trasnimitted


18 inch worms


nasty