2nd Test Flashcards
(45 cards)
Nicholas Appert
Robert Koch
Louis Pasteur
Anton Van Leeuwenhoek
Father of canning
Recived the Nobel prize in 1905 for demonstrating that a particular organism is responsible for a disease and that it can be transmitted from one animal to another.
Demonstrated that air was not the cause of spoilage
Developed the first microscope
Microorganisms are capable of producing the following
Acids
Alcohol
Co2
Toxins
A pathogen makes you what?
Sick
An acid produced during spoilage of milk causes
Protein denaturation
Bacterial _________ is responsible for the slimy texture of spoiled fish or chicken.
Capsule
Viruses replicate in food and living cells.
True or false?
False
Under optimal conditions , which of the following grows fastest? Yeast Bacteria Mold Or all of them grow about the same rate
Bacteria
A bacteria with an initial population of 3 colonies, has a generation time of 20 minutes. How many bacteria will there be after 2 hours under optimum conditions for growth? 48 96 192 224 384
192
Which of the following are FAT TOM factors that affect the growth of microorganisms? Moisture Temperature Oxygen Time Or all
All
Which of the following terms describes a heat loving organism? Mesophile Psychrophile Psychrotoph Thermophile All or None
Thermophile
The microorganism responsible for milk spoilage ( while it is kept in the refrigerator) is
Psychrotoph
The term facultative anaerobic means an organism will grow under what type of conditions?
In the presence or absence of oxygen
Glutton is a component of what
Wheat rye and barley products
People with Celiac disease cannot comsume this because it messes up there joints. And digestive system
Gluton is required for pregnant people
Can using fulic acid be a remedy for pregnant people not consuming glutton?
No. You need it in your system at the time of consumption. The neorotube is developing.
Who was Harvey Wiley
The poison squad was a group of guys in the us department of agriculture that volunteered to eat certain foods were certain additives were put in there that were questioned. If they got sick it was going to be bad for the population.
Pure food and drug act 1906
J
Describe upton Sinclair.
He wrote the jungle. It was about immigrant workers in meat packing plants describing how unsanitary and unsafe the working conditions were
Meat inspection Act 1905
Provided for federal inspection of animal slaughter and meat processing
Still the law of the land. All meat be inspected.
Name some problems with the pure food and drug act. 1906
Congress did not appropriate sufficient funds for enforcement.
Government had to prove intent to harm or receive
Food additives amendment 1958
Company had burden of proving safety.
Gras. Generally recognized as safe.
Margain of safety.
Delaney clause
Margian of safety is
1/100th. Take a test animal and start feeding it. Then find out the smallest amount that causes problems in a test animal. Then divide that by 100. And that’s the amount we can use in food. If it causes cancer then you can not use it.
What is the Delaney cause.
If a additive causes cancer in a test animal you can not use it in food.
Regulations.
FDA USDA DEPARTMENT OF COMMERCE NATIONAL MARINE AND FISHERIES EPA DHS
If food contains more then 2%meat who regulates it?
USDA
