fish-METHODS OF CHILLING Flashcards
METHODS OF
CHILLING
Wet Icing
Chilled Seawater (CSW) or Ice Slurry
Refrigerated Air
Dry Ice
LIMITATIONS IN CHILLING BY ICE
Ice can cause bruising of the
Ice storage adversely influence
protein solubility, WHC, and enzyme activities
, chilling
Fish can reach a super-chilled state when
n stored below 0 °C using refrigerated
seawater slurry with 3.5% salt content lowers the freezing point of water to -1.6 °C.
Super-chilling can be used to protect the
m temperature
An extension to super-chilling, also called freeze-chilling
g is to allow the the
COMBINATION OFCHILLING WITH FOOD
PRESERVATIVES
Preventing the growth of microorganisms, prevent oxidation or enzymatic deterioration.
Dipping cod
microbial growth after 8 days at 4◦C
A dip in 1-3% potassium sorbate
can extend the shelf life of
Several polyphosphates can be used to enhance quality of fresh as well as frozen
by acting as metal ion chelators, altering pH, interacting with proteins t