DIURNO QUIÑONES PALACIOS TAHISA MELANIE 10/08/2020
TRUE TRUE FALSE FALSE TRUE
A.C
12,000 B.C Middle East and Eastern cultures actively dried food under the blazing sun
1900s Natural draft dehydrator s were created and temperatur es below freezing were used to extend storage times
1800s 1790s mechanica l refrigeratio n was invented and it was found that quick freezing at very low temperatu res made meats and vegetables taste better.
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Canning started
1800 A.C A new method of conserv ation was discove red, the exclusio n of air by Nicolas Appert
1864A.C 1920A.C Louis Pasteur discovered the relationshi p between microorgan isms and food spoilage
Raymond Chevallier-Appert patented the canner
B.C
the importan ce of canning in the preventio n of botulism was known