The Microbiology of FoodsGarrard Press, 1944 - 1196 sider |
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Side 86
... tubes into cold potassium dichromate - sulfuric acid cleaning solution and let them stand for a few minutes in order to destroy any spores which may adhere to the outside of the tubes . The tubes should be kept cold to prevent the ...
... tubes into cold potassium dichromate - sulfuric acid cleaning solution and let them stand for a few minutes in order to destroy any spores which may adhere to the outside of the tubes . The tubes should be kept cold to prevent the ...
Side 290
... tubes four inches long and one - fourth inch in diameter . Into 10 of these tubes he placed two ml . of the milk and incubated anaerobically . He then established the following " standards " : - 0 or 1 tube positive 2 , 3 , or 4 tubes ...
... tubes four inches long and one - fourth inch in diameter . Into 10 of these tubes he placed two ml . of the milk and incubated anaerobically . He then established the following " standards " : - 0 or 1 tube positive 2 , 3 , or 4 tubes ...
Side 385
... tubes six inches by five - eighths inch external diameter are used , having a 10 - ml . mark . The tubes are fitted with cotton - wool plugs and sterilized before use by auto- claving at 15 lb. per sq . in . for 20 minutes , or by ...
... tubes six inches by five - eighths inch external diameter are used , having a 10 - ml . mark . The tubes are fitted with cotton - wool plugs and sterilized before use by auto- claving at 15 lb. per sq . in . for 20 minutes , or by ...
Innhold
FOOD PRESERVATION | 1 |
THE BACTERIA | 59 |
YEASTS AND MOLDS | 110 |
Opphavsrett | |
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Vanlige uttrykk og setninger
30 minutes Aerobacter Aerobacter aerogenes agar agar plate alcohol Amer amount anaerobic Assoc Bacillus Bact bacteria in milk bacterial count bacteriological Bacterium Bakt believed bottle bread Bull butter cause cells cent Centbl cheese Chem Clostridium Clostridium botulinum coliform bacteria colonies color concentration containing Dairy Sci destroyed determine dilution Eberthella typhosa Escherichia coli examined Expt fermentation flavor flora foods fruits gram growth Health heat ice cream incubation indicated Infect inoculated intestinal investigators isolated juice laboratory lactic acid Lactobacillus acidophilus Lactobacillus bulgaricus lactose large numbers medium method methylene blue microorganisms microscope mold Mycobacterium tuberculosis number of bacteria observed organisms pasteurized milk pathogenic pipette plate count presence procedure raw milk reported Rept salt samples showed slide sodium solution species spoilage sporeforming spores standard sterile strains streptococci Streptococcus lactis studied sucrose sugar temperature thermophilic tion tomato tubes types yeast