Moulds (Leaving Cert Home Economics): Flashcards
📚Flashcards
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Practise the cards
15 cards from this deck
Nutrients moulds need to grow
Nutrients moulds need to grow
Carbohydrates, proteins, and fats
Oxygen requirement for most moulds
Oxygen requirement for most moulds
Aerobic organisms (need oxygen)
Optimal temp range for mould growth
Optimal temp range for mould growth
20°C to 30°C
Effect of high water activity on moulds
Effect of high water activity on moulds
High water activity increases mould susceptibility
pH preference for moulds
pH preference for moulds
Slightly acidic to neutral pH
Time for moulds to begin growing
Time for moulds to begin growing
24 to 48 hours under optimal conditions
Hyphae definition
Hyphae definition
Thread-like structures forming mould's main body
Spores function
Spores function
Microscopic reproductive units for reproduction & spread
Mycelium definition
Mycelium definition
Dense network of hyphae, visible fuzzy growth
Asexual reproduction benefit in moulds
Asexual reproduction benefit in moulds
Allows rapid colonisation of new areas
Two main classes of moulds
Two main classes of moulds
Phycomycetes and Ascomycetes
Mucor appearance
Mucor appearance
White or greyish fluffy growth
Rhizopus common name
Rhizopus common name
Black bread mould
Penicillium appearance
Penicillium appearance
Blue or green fuzzy growth
Aspergillus health concern
Aspergillus health concern
Produces aflatoxins (potent carcinogens)