seafood Flashcards
(18 cards)
there are two categories of seafood what are they?
fish (vertebrates)
shellfish (invertebrates)
name the kind of fish belonging to fish category
oily fish/ fatty fish
white fish
name the kinds of fish belonging to the shellfish category
crustaceans
molluscs
sea urchins
name some types of oily/fatty fish
salmon, trout, mackerel, sardines, pilchards, sprats, herring, swordfish
does oily fish have long chain or short chain fatty acids?
long chain omega-3 fatty acids
name some examples of white fish
cod, haddock, plaice, pollock, red mullet
are white fish low in fat? does this make it a good alternative to other fish?
yes white fish usually contain less than 2% fat
all depends on the cooking method but can make it a great alternative for a low fat option
example of a crustacean
crab, crayfish, lobster, prawn, scampi, shrimp
examples of molluscs
clam, cockle, mussels, oyster, scallops, octopus, squid
shellfish are good sources in what?
selenium, zinc, iodine and copper
name the different ways to preserve fish
drying
salting
smoking
fermenting
what happens during drying (preserving fish)
leave fish out in the sun and wind
can be done in both hot and cold climates
what happens during salting (preserving fish)
lean fish were salted and then air-dried
fatty fish immersed in brine then smoked
can be done before or instead of drying
what happens during smoking (preserving fish)
letting fish dry over a fire
what happens during fermenting (preserving fish)
relies on naturally occurring enzymes and bacteria
health benefits of fish
development and function of the brain and retina
anti-inflammatory
reduces blood triglyceride levels
freshwater fish< farmed fish < ocean fish
health hazards of shellfish
raw/undercooked shellfish trap bacteria and viruses as they filter water for food
we sometimes eat the digestive tract
fish proportion recommedations
2 portions a week (1 portion 140g)
no more than 4 portions a week of oily fish
no upper limit of white fish
