lu4 p1 Flashcards
benefits of choosing fresh seafood
- Taste good
- Good buy for your money
- Avoid food poisoning
6 ways how to choose fresh fish? (E,G,F,F,S,AS)
-
Eyes= Bright, clear, full eyes that are often protruding.
NO: cloudy eyes, pink & sunken -
Gills= Bright red or pink gills, free from slime.
NO: dull-coloured gills (grey, brown, or green) -
Flesh= Firm & elastic when pressed gently with the finger.
NO: soft flesh & will slip away from the bone -
Skin= Shiny, with scales that adhere tightly
NO: faded characteristic colours & markings start -
Fillets & steaks/ A fresh-cut fish = Moist appearance, with no browning around the edges
Flesh: intact & translucent - Smell= No fishy or ammonia smell
3 ways how to choose fresh prawn and shrimp
- Raw shrimp meat= firm & have a mild odour
-
Cooked shrimp meat= firm & have no bad odour
Meat colour: white with red or pink tints -
Shells = translucent with a grayish green, pinkish tan, or light pink tint
NO: blackened edges or black spots on the shell
3 ways how to choose fresh squid and cuttlefish (E,US,M)
- Eyes that are clear & full
-
Skin should be untorn
the skin of fresh squid is cream-coloured with reddish-brown spots; as squid ages, the skin turns pinkish - Meat very firm
7 ways how to choose fresh crab and lobster (A,C,SH,SO,SX,S,T)
- Feel the shell hardness by pressing with your fingers
- Do not select soft shell
- (ecdysis?) - casting off the outer cuticle (exoskeleton) - Shell outlook= Do Not select very ‘clean’ & whitish colour.
-
Sexes= select male crabs if possible.
- male: t
- female: v - Smell= No bad smell
-
Alive = show leg movement.
- If refrigerated they are not active, but should still be moving - Lobsters’ tails = curl tightly underneath the body when it is picked up.
- Cooked lobsters / crabs in the shell should be bright red in color and have no disagreeable odour.
What is Ecdysis Process?
- Moulting of the exoskeleton in arthropods
(explain some examples?) - Enable damaged tissue & missing limbs to be regenerated (over a series of moults)
- A crab moults in water duration: less than 1 hr
6 ways
how to choose fresh shellfish? (O,A-T,M,MC,SMO,IS)
- May be sold live, cooked, or fresh-shucked.
- Each form & species will have different quality signs to examine.
- Odour = sweet & mild, not overly fishy
-
Still alive: touch them to see for response.
- From slightly gaping their shells →close their shells; some do not give response but still alive!
- Soak them in salt water for a while →gape their shell, siphon will come out
When cooked = should be opened, if remains closed, should NOT eat
- The meats of fresh shucked clams, oysters, or mussels = plump & covered with their mucus
- Mucus colour = be clear/ slightly opalescent (milky or light grey).
- Fresh scallop meats = firm texture & distinct sweet odour.
- A sour or iodine smell = spoilage.
Fisheries Agencies in Malaysia (examples)
-Department of Fisheries (DoF) Malaysia
- Inland fisheries and aquaculture regulations are issued by State authorities [inland = freshwater & brackish water].
- Marine fisheries and aquaculture are federal government concern.
-
Empurau Breeding, Tarat Agriculture Station Serian Sarawak
- Aquaculture is the farming of aquatic resources, including fish, mollusks, crustaceans, and aquatic plants. - The Maritime Institute of Malaysia (MIMA) = deal with national, regional and global maritime issues.
- Fisheries Research Institute Malaysia (FRIM) = for the development of freshwater aquaculture, and the conservation and management of aquatic resources.
- Fisheries Development Authority of Malaysia (FDAoM/LKIM) = supervises and controls registered Fishermen associations’ activities
Fisheries Agencies in Malaysia
- Marine aquaculture [the Fisheries (Marine Culture Systems) Regulations (1990)] Applications for a permit to set up a marine culture need information:
- Type of marine culture system;
- Proposed aquaculture site;
- Plan of chosen site - A permit may be issued.
- Fisheries (Cockles Conservation and Culture) Regulations (2002)
- Licensing procedure is established for the capture of cockles (Anadara gronasa) and cockle seeds [a permit is required to take cockles and cockle seeds from cultured cockle beds].
Malaysian fisheries governed under:
Fisheries Act No.317 (1985) and its regulations.