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Water
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Total cards: 6•Content version: v4•Public deck•Updated: 8/1/2026
Card preview (6)
#1
Front (Question)
Water as a polar solvent…
Back (Answer)
• dissolves hydrophilic compounds – rejects hydrophobic molecules
#2
Front (Question)
What is water concentration in most foods
Back (Answer)
~55M
#3
Front (Question)
What is AW
Back (Answer)
Water activity (AW) measures free water, i.e. AW is the amount of water in food that is available to microorganisms for growth
#4
Front (Question)
What is moisture content?
Back (Answer)
Amount of bound and free water in a sample Quantitative amount of water in a sample
#5
Front (Question)
What is water holding capacity
Back (Answer)
ability of food to hold entrapped water
#6
Front (Question)
What is water activity a ratio of
Back (Answer)
AW = P / Po P vapor pressure in a product/solution Po vapor pressure of pure water … at a specified temperature (T) AW = relative humidity (RH) / 100 at T