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Other Traditional Fermented/Pickled Fish Products

By Green Pasture Products - Wikipedia Source  March 25, 2014

Below are a couple traditional fermented/pickled sea foods.  They called these fermented foods pickled because the general salt/bacteria/enzyme process.  Maybe we should have named the Fermented Cod Liver Oil Pickled Cod Liver Oil based on similar traditional preperation methods.   There is no need to add preservatives and other additives to these fermented foods including Blue Ice Fermented Cod liver Oil.      They will last for years

Pickled Herring

Pickled herring, also known as bismarck herring,[1] is a delicacy in Europe, and has become a part of Baltic, Nordic (Inlagd sill), Dutch, German (Bismarckhering), Czech (zaviná?), Polish (?ledzie w occie), Eastern Slavic, Scottish and Jewish cuisine.

Most cured herring uses a two-step curing process. Initially, herring is cured with salt to extract water. The second stage involves removing the salt and adding flavorings, typically a vinegar, salt, sugar solution to which ingredients such as peppercorn, bay leaves and raw onions are added. In recent years, other flavors have also been added, due to foreign influences. However, the tradition is strong in Denmark, Sweden, Finland, Norway, The Netherlands, Iceland and Germany. Onion, sherry, mustard and dill are some of the traditional flavourings.

Pickled herrings have been a staple in Northern Europe since Medieval times, being a way to store and transport fish, especially necessary in meatless periods like Lent. The herrings would be prepared, then packed in barrels for storage or transportation.

History

Geographic distribution 

In the Nordic countries, once the pickling process is finished and depending on which of the dozens of classic herring flavourings (mustard, onion, garlic, lingonberries etc.) are selected, it is eaten with

dark rye bread, crisp bread, sour cream, or potatoes. This dish is common at Christmas, Easter and Midsummer, where it is frequently eaten with akvavit. Often, it is incorporated in a Fischbrötchen.

In the 19th century, people in Berlin developed a special treat known in English as soused herring or rollmops.[2][3] Rollmops are pickled herring fillets rolled (hence the name) into a cylindrical shape around a piece of pickled gherkin or an onion. The word is borrowed from the German.

Pickled herring, especially brined herring, is common in Russia and Ukraine, where it is served cut into pieces and seasoned with sunflower oil and onions, or can be part of herring salads, such as dressed herring, which are usually prepared with vegetables and seasoned with mayonnaise dressing.

Brined herring is common in Ashkenazi Jewish cuisine, perhaps best known for vorschmack salad known in English simply as "chopped herring" and as schmaltz herring in Yiddish. In Israel it is commonly called as "dag maluach".

Pickled herring can also be found in the cuisine of Hokkaid? in Japan, where families traditionally preserved large quantities for winter.

In Nova Scotia, a province of Canada, pickled herring is called "solomun gundy" and is quite popular. Not to be confused with the Jamaican term for a pickled fish pâté.

Health effects 

It is rich in tyramine and thus should be avoided in the diet of people being treated with an antidepressant monoamine oxidase inhibitor.[4]

Pickled herring is one of the best sources of natural vitamin D3. It is also an excellent source of selenium and vitamin B12. 100 grams may provide 680 IU of vitamin D or 170% of the DV, as well as 84% of the DV for selenium and 71% of the DV for vitamin B12. [5][6]

Cultural references

Pickled herring is one of the twelve dishes traditionally served at Christmas Eve in Poland, Lithuania, and Ukraine.

Herring is enjoyed as a special Shabbos food by Ashkenazi Jews worldwide. It is a staple at Kiddushes and social gatherings. Many kosher establishments have begun to formulate new fusion-style herring dishes such as Oneg-Shabbos herring and herring-lox combinations. Younger herring consumers look for new and interesting styles, besides the simple pickled herring with onions. Herring is typically served on crackers such as kichel or Tam Tams.

Surströmming

Surströmming (pronounced [?s??????rœm???], Swedish for "soured herring"), is fermented Baltic Sea herring that has been a staple of traditional northern Swedish cuisine since at least the 16th century.

Just enough salt is used to prevent the raw fish from rotting (chemical decomposition). A fermentation process (which converts sugar to acids, gases, and alcohol) of at least six months gives the lightly-salted fish its characteristic strong smell and somewhat acidic taste.

When opened, the contents release a strong and sometimes overwhelming odour; the dish is ordinarily eaten outdoors. According to a Japanese study, a newly opened can of surströmming has one of the most putrid food smells in the world, even more so than similarly fermented fish dishes such as the Korean Hongeohoe or Japanese Kusaya.[1]

The Baltic herring, known as strömming in Swedish, is smaller than the Atlantic herring, found in the North Sea, and traditionally the definition of strömming (Baltic herring) is herring fished in the brackish waters of the Baltic north of the Kalmar Strait.[2] The herring used for surströmming are caught just prior to spawning.

At the end of the 1940s, producers lobbied for a Swedish Royal decree (förordning) that would prevent improperly fermented fish from being sold. The decree forbade sales of the current year's production in Sweden prior to the third Thursday in August. The decree is no longer law, but the trade still abides by the date for the "premiere".[3]

Origin and legends 

Fermented fish is an old staple in European cuisines; for example, the ancient Greeks and Romans made a sauce from fermented fish called garum[4] and Worcestershire sauce also has a fermented fish ingredient.

One explanation of the origins of this method of preservation is that it began long ago, when brining food was quite expensive owing to the cost of salt.[5] The fish are marinated in a strong brine solution that draws out the blood, which is replaced by a weaker brine, and the fermentation is done in barrels prior to canning (nowadays made of plastic).

As long ago as the 16th century, surströmming was supplied as army rations in the 30 years war. Swedish soldiers who did not come from the area where this was staple food, as well as foreign conscripts, refused to eat it.

The canning procedure, introduced in the 19th century, enabled the product to be marketed in shops and stored at home, whereas at one time the final stage would have been storage in large wooden barrels and smaller, one-liter kegs. Canning also enabled the product to be marketed farther south in Sweden to homesick northern Swedes and to southern Swedes as a curiosity and party food, serving as a background to schnapps as other spicy herring preparations do.

Historically, other fatty fish such as salmon and whitefish have been fermented in a way not unlike surströmming; the original gravlax resembled surströmming, whereas nowadays gravlax is made by covering the fish with a salt and sugar mixture that permeates the fish so that it is pickled without the type of fermentation used for surströmming occurring.

Chemical process 

The fermentation starts from a lactic acid enzyme in the spine of the fish, and so the fermentation is by autolysis; together with bacteria, pungent smelling acids are formed in the fish such as propionic acid, butyric acid and acetic acid. Hydrogen sulfide is also produced. The salt raises the osmotic pressure of the brine above the zone where bacteria responsible for rotting (decomposition of proteins) can thrive and prevents decomposition of fish proteins into oligopeptides and amino acids. Instead the osmotic conditions enable Haloanaerobium bacteria to prosper and decompose the fish glycogen into organic acids, making it sour (acidic).

Production 

The herring are caught in April and May, when they are in prime condition and just about to spawn. Prior to spawning, the herring have not fattened. They are then put into a strong brine for about 20 hours which draws out the blood, the heads are removed and they are gutted and put into a weaker brine solution. The barrels are then placed in a temperature controlled room kept at 15 – 20 °C. Canning takes place at the beginning of July and for five weeks thereafter. Ten days prior to the premiere the final product is distributed to wholesalers.[6]

The fermentation of the fish depends on a lactic acid enzyme in the spine that is activated if the conditions are right (temperature and brine concentration). The low temperatures in Northern Sweden is one of the parameters that affects the character of the final product.

Fermentation continues in the can which causes the can to bulge noticeably. Prior to modern canning methods, surströmming was sold in wooden barrels, and was only consumed locally. As even the smallest one litre kegs could leak, surströmming was bought directly from the producers in small quantities for immediate consumption.[7]

Half a year to a year later gases have built up sufficiently for the once flat tops of the cylindrical tins to bulge into a more rounded shape. These unusual containers of surströmming can be found today in supermarkets all over Sweden. However, certain airlines have banned the tins on their flights, considering the pressurised containers to be potentially dangerous (see also below).[8] Species of Haloanaerobium bacteria are responsible for the in-can ripening. These bacteria produce carbon dioxide and a number of compounds that account for the unique odour: pungent (propionic acid), rotten-egg (hydrogen sulfide), rancid-butter (butyric acid), and vinegary (acetic acid).[9]

Eating surströmming 

Surströmming is often eaten with a kind of bread known as tunnbröd ("thin bread"). This thin, either soft or crispy bread (not to be confused with crispbread) comes in big square sheets when crisp or as rounds of almost a metre in diameter when soft.[10]

The custom in The High Coast (Höga Kusten), the area of northern Sweden where this tradition originates, is to make a sandwich, commonly known as a "surströmmingsklämma", using two pieces

of the hard and crispy kind of tunnbröd with butter, boiled and sliced or mashed potatoes (often mandelpotatis or almond potatoes) topped with fillets of the fish together with finely diced onions. It is also eaten on the plate with the above ingredients. To balance the strong flavour of the fish, Västerbotten cheese is sometimes eaten with it.[11]

In the southern part of Sweden, it is customary to use a variety of condiments such as diced onion, gräddfil (fat fermented milk/sour cream similar to smetana) or crème fraîche, chives and sometimes even tomato and chopped dill.[12]

The surströmming sandwich is usually served with snaps and light beers like pilsner or lager. Other drinks of choice are 'svagdricka, (lit. "weak drink", a Swedish low alcoholic dark malt beverage brewed since the Middle Ages small beer slightly similar to porter),[13] water or cold milk. However, exactly what to drink or not to drink to surströmming is highly disputed among connoisseurs. Some claim that cold milk is the right and only choice while others refer to svagdricka as the most traditional drink. Surströmming is usually served as the focus of a traditional festivity, a "surströmmingsskiva" (surströmming party).

Many people do not care for surströmming, and it is generally considered to be an acquired taste.[14] It is a food which is subject to strong passions, as is lutefisk.

Museum 

On June 4, 2005, the first surströmming museum in the world was opened in Skeppsmalen,[15] 30 km (19 mi) north of Örnsköldsvik, a town at the northern end of the High Coast.[16]

Controversy 

Airline bans 

In April 2006, several major airlines (such as Air France and British Airways) banned the fish, claiming that the pressurised cans of fish are potentially explosive. The sale of the fish was subsequently discontinued in Stockholm's international airport. Those who produce the fish have called the airlines' decision "culturally illiterate", claiming that it is a "myth that the tinned fish can explode".[14]

Food administration rules 

Surströmming today contains higher levels of dioxins and PCBs than the permitted levels for fish in the EU; Sweden was granted exceptions to these rules from 2002 to 2011, and a renewal of the exceptions was then applied for. Producers have said that if the application is denied they will only be allowed to use herring less than 17 centimeters long, which contain lower levels, which will affect the availability of herring.[17]

German eviction 

In 1981, a German landlord evicted a tenant without notice after the tenant spread surströmming brine in the apartment building's staircase. When the landlord was taken to court, the court ruled that the termination was justified when the landlord's party demonstrated their case by opening a can inside the courtroom. The court concluded that it "had convinced itself that the disgusting smell of the fish brine far exceeded the degree that fellow-tenants in the building could be expected to tolerate".[18]

German food critic and author Wolfgang Fassbender wrote that "the biggest challenge when eating surströmming is to vomit only after the first bite, as opposed to before".[19]

Categories:   General Health Topics
Tags:   sacred food, whole foods

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