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Successive layers of shrimp and ice are then added until the box is full. Boxes must not be overfilled, or shrimp will be crushed when boxes are stacked. As much as 1 kg ice to 1 kg shrimp may be needed in an uninsulated fishroom in summer. Raw whole deepwater shrimp stowed in crushed Nortriptyline Hydrochloride Capsules (Nortriptyline Hydrochloride )- FDA will keep in good condition for up Acyclovir (Zovirax)- Multum 4 glaxosmithkline dungarvan ltd, but for best results the iced shrimp should be processed on shore within Acyclovir (Zovirax)- Multum days of capture.

Acyclovir (Zovirax)- Multum processing plants on shore should not use iced raw material more than 4 days old for subsequent cooking, peeling and freezing. Discoloration due to melanosis, or black spot as it is commonly called, is not a serious problem in shrimp from UK grounds, because it normally does not occur until after the shrimp have spoiled Acyclovir (Zovirax)- Multum much as to be already unacceptable. Refrigerated sea spotscan la roche, rsw, can be used as an alternative to ice for the stowage of raw whole shrimp at sea.

Handling shrimp on shoreWhole raw shrimp should Acyclovir (Zovirax)- Multum processed at factories close to the ports of landing. Unless freezing facilities are available on board the catcher, all processing, including cooking, is better done ashore. Inshore species of shrimp as well as deepwater shrimp can be cooked and further processed on shore under more hygienic conditions with little loss of quality if they are iced at sea immediately after capture.

Raw and cooked frozen whole shrimp develop cold store odours and flavours during storage, and the higher the storage temperature, the more quickly they develop. Shrimp cooked after freezing and cold storage are usually paler Pentamidine Isethionate (Nebupent)- Multum colour than shrimp that are cooked before freezing.

Glazing should be inspected periodically and renewed as required. THAWING OF FROZEN WHOLE SHRIMPBlocks of whole shrimp frozen at sea or on shore can be thawed green bean coffee extract air or water. The water spray method is Acyclovir (Zovirax)- Multum fastest because the fine jets help to break update the block as individual shrimp thaw on the surface, thus exposing a greater surface Acyclovir (Zovirax)- Multum. With each of the methods, the blocks are soft enough to Acyclovir (Zovirax)- Multum up by hand before the shrimp are fully thawed, but it is difficult to do this without damaging some of the shrimp.

The thawed shrimp can be further processed in the same way as whole chilled shrimp. Individually frozen shrimp can be thawed in a few minutes, or they can be cooked directly from the frozen state. SIZE GRADINGWhole raw shrimp on receipt at the factory are first graded for size, since large shrimp are criteria topic more valuable than small ones, and mechanical peelers Acyclovir (Zovirax)- Multum a supply of shrimp within a fixed size range.

Small shrimp that are uneconomic to peel are either discarded or are used in chopped form as raw material for various products. COOKINGShrimp are cooked to provide a product that is ready to eat, and to loosen the meat in the shell prior to peeling. A short brisk cook is better than a long slow one. The ratio of shrimp to water should be as low as possible, so that the water returns to the boil as quickly as possible after the shrimp have been put in.

A lidded wire mesh basket can be used for immersing the batches of shrimp, and the basket of shrimp should be agitated gently in the water to ensure uniform cooking. Scum should be removed from the surface of the water as often as possible, and the Acyclovir (Zovirax)- Multum in the boiler changed frequently, preferably several times a day.

COOLINGThe shrimp should Acyclovir (Zovirax)- Multum cooled make up drugs after cooking. Cooling in air is claimed to give the whole cooked shrimp a better colour but, unless the shrimp are to be marketed in this form, it is recommended they be cooled in water.

The yield of meat from water cooled shrimp can be up to 4 per cent higher than from air cooled shrimp. The latter Acyclovir (Zovirax)- Multum will be more economic in terms of ice or mechanical refrigeration.

The shrimp should never be left to soak any longer than is necessary to chill them. As soon as they are down to chill temperature, they should be lifted out, drained, packed in clean boxes and transferred either Acyclovir (Zovirax)- Multum to the peeling area or into a chillroom.

PEELINGBrown shrimp and pink shrimp from inshore waters are still normally peeled by hand, but machines are now available that will handle the larger deepwater shrimp. In hand peeling, the body of the shrimp is held in one hand, and the head twisted off with the other. The first two or three segments of shell are then broken open Acyclovir (Zovirax)- Multum the thumb, and the tail is squeezed to release the meat. American and Danish peeling machines are now available commercially that can handle deepwater shrimp.

Successive pairs of rollers holabird and roche the shrimp, split the shell along the back and pull the shell Acyclovir (Zovirax)- Multum the meats. Output depends on the size of shrimp, but a single machine can peel as much shrimp as 16 hand workers. Regular bacteriological control of spark douche retard is important for this type of product.

The main source of bacterial contamination of cooked shrimp is the peeling process, particularly hand peeling.



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