Shellfish live on the sea floor where much bacteria and toxins are present.
In addition, many shellfish, such as clams and oysters, are Filter feeders and have a tendency to accumulate these chemical substances in their bodies.
The Food and Drug Administration (FDA) estimates that 5-10% of raw mollusks coming to market are contaminated with Vibrio. In addition, paralytic shellfish poisoning (PSP) although less common, is still a real and potential danger associated with shelled sea life that can cause paralysis and even death to its victims.
To be on the safe side try substituting shellfish with protein alternatives.
a sealed container or air tight clingfilm
If one is allergic to shellfish, they are cleared to eat all regular fish. However, they should take care with eating sushi or other fishes, as there is sometimes shellfish residue.
Amaranth should be stored in a tightly sealed container in a cool, dry, dark location.
If the product is well sealed in its original container and the expiration date has not passed, it may be considered potent. If the product is poorly sealed, not in its original container or beyond its expiration date, it should be replaced.
Sandwiches should be stored in a tightly sealed container or plastic baggy in the refrigerator.
No, hermetically sealed containers are airtight and should prevent entry of cockroaches or any other pests. Cockroaches require oxygen to survive, so without any air inside the container, they wouldn't be able to survive.
I believe you should read through your lectures for Food Safety
No, Tupperware containers that are vacuum sealed should not be used in the microwave as the vacuum seal can create pressure and cause the container to explode. It is not safe to microwave vacuum-sealed Tupperware containers.
To preserve an internal organ, it should be placed in a sterile container with a preservative solution such as formalin or alcohol. The container should be sealed and labeled with the organ type, date, and any relevant information. Store the container in a cool and dark place to prevent decay.
To retain freshness, ice cream should be stored it in a sealed container in the freezer.
Generally, you should avoid putting water in your car, unless it is in a sealed container. It can damage the carpeting, wiring, and lead to mold.
Chopped cilantro should be stored in a sealed container or plastic bag in the refrigerator. Placing a paper towel in the container can help absorb excess moisture and keep the cilantro fresh for longer.