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What conditions are the most favourable for microbial food production?…
What conditions are the most favourable for microbial food production?
Types of microbial food production
Cheese, depends on...
TIME:
Cheese gets the 'cheesiest' when bacteria in milk grows rapidly when it gets old
What the animal the milk came from was fed
BACTERIA:
What type of bacteria is used
Pickles, depends on...
Wine, depends on...
Yoghurt, depends on...
TEMPERATURE
:Bacteria works best at a certain temperature
Bread, depends on...
TEMPERATURE
: The yeast dies at temperatures 50-60C
Chocolate, depends on...
Soy sauce
Types of conditions
pH
Presence of oxygen
Presence of water
Presence of nutrients
Temperature
Time
Type of bacteria
What it means by
favourable
?
Tastiest
Richest
Alcohol
Chocolate
Specific smell
Cheese
Pickles
Certain texture
Bread
Cheese
For cooking
Limitations
Time
Bacteria does not grow instantly
If bread is left to rise for too long, it deflates
Accessibility to certain microorganisms
Possible designs
Independent variables
Different temperatures
Optimum temperature of water for yeast growth
Alcohol fermentation
Different time
How long does milk take to thicken
How long should yeast be left to proof
Different bacteria
Which bacteria is most effective to produce cheese, yoghurt
Dependent variables
Consistency of yoghurt
Taste or smell of cheese
Amount of carbon dioxide present when yeast is used