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How to Tell if Salmon Fillet is Fresh
Freshness Indicators for Fish Fillets
A "fish
fillet" is the flesh of a fish which has been cut or sliced away from the bone by cutting lengthwise along one side of the fish
parallel to the backbone. In preparation for filleting, any scales on the fish
should be removed. The contents of the stomach also need careful detaching from
the fillet. Because fish fillets do not contain the larger bones running along
the vertebrate, they are often said to be "boneless". However, some
species, such as the common carp, have smaller intramuscular bones called pins
within the fillet. The skin present on one side may or may not be stripped from
the fillet. Butterfly fillets can be
produced by cutting the fillets on each side in such a way that they are held
together by the flesh and skin of the belly.
One disadvantage of
purchasing fillets is that many of the freshness
indicators have been obliterated
or removed. Careful inspection using the following guidelines will ensure a
quality product.
1) Fish fillets should be moist,
shiny, and glistening.
2) Shapes should be consistent, well trimmed, and free of most
bones.
3) Excess water in the
container indicates freezing and thawing.
4) Aroma should be fresh, clean, and briny (smells like sea), not
fishy.
5) Firm, stiff , and dry fillets indicate that they have been previously frozen.
6) Packaging should be intact and well sealed.
7) Color should be consistent without traces of blood, yellow, or
gray.
8) Skinned fillets should be totally free of skin.
Fish
Fillet Portion Size
Portion-size fillets come fabricated in specific sizes and weight
and are available more readily frozen than fresh.
Skin
on or Off
As mentioned, it is advisable to purchase certain high-cost
species with the skin on to avoid any product substitution. Common fish like
flounder, monkfish, and cod are normally skinned immediately after filleting;
whereas others with softer flesh are left skin-on to avoid the fillets breaking
up during processing.
Fish
Steaks
Fish steaks are cross-section cuts, available bone in or bone out.
Steaks may also contain the belly flap and pin bones, especially when cut from
round fish such as salmon. This “round” steak, including the belly flap, can be
secured into a cylindrical shape with cotton twine for easier cooking and
presentation. Depending on the fish and cooking method, skin can be left on or
removed after cooking. Larger flat fish such as halibut can also be cut into various shaped steaks. These are not
fabricated into steaks in the same manner as round fish but are filleted and
cut into squares or rectangles.
Cross-cut steak is
an economical way to cut a round fish. It involves less labor and offers
premium product utilization. They are also easily portioned and can be sold by the
piece in retail operations. When cutting a steak from a round fish it is not
advisable to utilize the tail section, which tapers down into a very thin
portion with a thick bone. Use this tail meat for other items such as fish
stews, mousseline, or rillettes. A disadvantage to cross-cut steaks is that the
bones are still intact and may be undesirable to customers or guests, although
bones do add flavor when cooking.
Fish
Steak Preparation
Determine the appropriate portion size and the number of cuts
necessary for the specific fish. Cut through the top fillet to the backbone
with a large knife. Increasing the knife pressure, cut through the backbone and
bottom fillet until the steak is separated from the fish. Larger fish may
require the use of a rubber or wooden mallet to penetrate the backbone, but be
careful not to damage and bruise the bottom fillet.
Watch
Video- How to Steak a Whole Salmon
Watch
Video- How To Fillet Fish - Fillet Fresh Salmon
Watch
Video- How to Choose Fresh Fish
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