PRELAB 1: History of Industrial Micro

Question 1

Fermentation came from the root word ferment which is derived from the Latin verb (1) _________ which means (2) _________
It is also associated with the Latin (3) ____ which means (4) _________

Answer 1

(1) fervere - (2) “to boil”
(3) fermentare - (4) “to rise or leaven”

Question 2

Is often referred to as a leavening agent as it helps the dough rise

Answer 2

Yeasts

Question 3

________ is any process in which microorganisms are grown on a large scale, even if the final electron acceptor is not an ___________

Answer 3

Fermentation
organic compound

Question 4

Food microbiology focuses on the biological aspects of food including food spoilage, food-borne disease, and _________to prevent _______

It addresses methods to combat _________

Answer 4

bioprocessing
spoilage
food borne-pathogen

Question 5

Early food preservation
- give the dates and major breakthrough

Answer 5

900 AD (Anno Domino) - food poisoning was recognized
1795 - canning by Nicolas Appert
1854-1864 - food micro becomes a science, pasteurization

Question 6

900 AD
(1) time of
(2) what happened at the time
(3) severe cases led to

Answer 6

(1) Emperor Leo VI of Byzantium
(2) Emperor Leo VI issued an edict to forbid the consumption of blood sausages based on the observation that it caused illness, food poisoning
(3) botulism

Question 7

botulism caused by the microoganism called _______ which release toxins that attacks the ________ this can lead to ______, ______ and even death

Answer 7

Clostridium botulinum
nerves
difficulty in breathing
muscle paralysis

Question 8

1795
(1) who
(2) what preservation method
(3) it involves the process food being_______ before storing in jars
(4) this method is called
(5) preserving of food or preventing food from being spoiled by

Answer 8

(1) Nicolas Appert
(2) canning
(3) boiled
(4) Appertization
(5) storing in sealed containers sterilized with heat

Question 9

1854-1864
(1) who
(2) he is famous for the process called
(3) the said process involves heating amounts of liquid at
(4) examples
(5) discovered the scientific basis for preservation methods making

Answer 9

(1) Louis Pasteur
(2) Pasteurization
(3) high temp for short time
(4) milk, wine, juice
(5) food biology recognized as science