Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
FoodMicro1B
Milestone in food Spoilage
| Question | Answer |
|---|---|
| What happened in 1659 | Kircher demonstrated the occurrence of bacteria in milk |
| What happened in 1847 | Bondeau demonstrated the occurrence of bacteria in milk |
| What happened in 1680 | Leeuwenhoek was the first to observe yeast cells. |
| What happened in 1780 | Scheele identified lactic acid as the principal acid in sour milk |
| Who was the first to observe yeast cells. | Leeuwenhoek |
| Who identified lactic acid as the principal acid in sour milk | Scheele |
| What was the the principal acid in sour milk | lactic acid |
| What happened in 1836 | Latour discovered the existence of yeasts. |
| What happened in 1839 | Kircher examined slimy beet juice and found organisms that formed slime when grown in sucrose solutions |
| What happened in 1857 | — Pasteur showed that the souring of milk was caused by the growth of organisms in it. |
| What happened in 1866 | L. Pasteur's Etude sur Le Vin was published |
| What did the organism that Kircher examined form when grown in sucrose solutions? | slime |
| Who advanced the theory that cheese ripening was similar to alcoholic, lactic, and butyric fermentations. | Martin |
| When did Martin advanced the theory that cheese ripening was similar to alcoholic, lactic, and butyric fermentations. | |
| ---- ripening was similar to alcoholic, lactic, and butyric fermentations | Cheese |
| What did Gayon reported in 1873? | first reported study on the microbial deterioration of eggs |
| In 1873, what did Lister isolae in pure culture? | Lactococcus lactis |
| Who was first to isolate Lactococcus lactis in pure culture? | Lister |
| In 1876, who observed that bacteria in decomposing substances were always traceable to air, substances, or containers. | Tyndall |
| In 1878, Cienkowski reported the first microbiological study of? | sugar slimes |
| In 1878, Cienkowski isolated what abcetria from sugar slimes? | Leuconostoc mesenteroides |
| In what year did Forster first demonstrated the ability of pure cultures of bacteria to grow at 0 degree C. | 1887 |
| Who was the first to demonstrate the ability of pure cultures of bacteria to grow at 0 degree C | Forster |
| Forster was the first to demonstrate the ability of pure cultures of bacteria to grow at what degree celcius? | 0 degree C |
| Who was the first to study thermophilic bacteria. | Miquel |
| When : Miquel was the first to study thermophilic bacteria. | 1888 |
| 1895—The first records on the determination of numbers of bacteria in milk were those of | Von Geuns in Amsterdam. |
| 1895—S.C. Prescott and W. Underwood traced the----- ----- to improper heat processing for the first time. | spoilage of canned corn |
| When was The term psychrophile first used by Schmidt-Nielsen for microorganisms that grow at 0 degree C | 1902 |
| Who first used the term psychrophile for microorganisms that grow at 0 degree C | Schmidt-Nielsen |
| Who and When: He coined the term osmophilic to describe yeasts that grow well in an environment of high osmotic pressure | Richter , 1912 |
| In 1915, what bacteria was first isolated from coagulated milk by B.W. Hammer? | Bacillus coagulans |
| In 1917, what bacteria was first isolated from cream-style corn by RJ. Donk. | Bacillus stearothermophilus |
| Inn 1933, Oliver and Smith in England observed spoilage by ? | Byssochlamys fulva |
Created by:
honeybunch
Popular Biology sets