DOCSLIB.ORG

3 Canned Products Hermetically Sealed But

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
3 Canned Products Hermetically Sealed But ,3 CANNING OF FISHERY PRODUCTS 309 CANNED PRODUCTS HERMETICALLY SEALED BUT NOT PROCESSED A number of products are packed in hermetically sealed glass or tin containers under vacuum which have not been "sterilized" or "processed" by heat, but which are generally inch;dt'd among canned products. Preservation of these products is p (! s~ ibJt' only for limited periods, which may be sharply r educed by unfayorable conditions of storage and handling. These products depend f or preservation on the curing to which they are subjecterl pr evious to packing and on subsequent storage at low temperatures. The tin or glass container simply serves ~s a method of packaging, superior to containers previously used, and has very little or no preservative effect. It is not possible under pr esent methods to preserve some of these products for longer periods by using a heat process. For example spiced her ring are made tough ,md fibrous in texture, unpleasant in flavor and discolored by cook­ ing or processing. Products such as oysters, crab and shrimp meat can be and are processed, but when they are sold unprocessed in hermetically sealed containers it is because the market for which th~y are intended demands the flavor of the "fresh" prod­ uct. ANCHOVIES Two types of anchovies are packed, Spanish or Italian ancho­ vies, and the Norwegian or Swedish anchovies. The former are true anchovies, while the second 'ariety is made from the brisling or sprat. The methods of cure also differ. Since few ancho\'ips are cured locally, those packaged in this country are imported, usu­ any in wooden kegs holding about 100 pounds each. Th e~: are repacked in glass and tin containers holding fl'om 1 to 8· ounces. Apparently more glass than tin containers are used for this pur­ pose in the United States . .)lo st anchovies imported in individu al containers are packed in tin. ' Imported cans are not standardi zed. many odd-sized containers being used. Most of the::; e are " flat" or "square~ ' pressed tins of the type used for sar dines or kipper snacks. SPANISH OR ITALlAN ANCHOVIES Spani ~ h or Italian anchovies ar e cured by a process which de­ pends on fermentation to give the product the desired fl avor. Curing varies in details among differ ent packers, but the fo11 o\\'­ ing method is r epresentative : Fresh anchovies are gutted and -F:~.:~ 3S .;; Canned pro:illcts llen::::::-r;icall:.' e aled but !'.ct TIl~ Oces8 'S ~ 310 RESEARCH REPORT 7. FISH AND WILDLlFE SERVICE headed by twisting the heads off. the workers using their fingers. The visceral material is removed, attached to the heads. The fish are then salted down in large hogsheads or vats. using 40 to 50 pounds of salt to 100 pounds of fish. The hogsheads are left stand­ ing in the sun. or the vats are subjected to a temperature of 80 to 90° F. for several hours each day. At the end of 3 or 4 months, fermentation should have progressed so that the flesh assumes a red color and acquires the desired flavor. The fish are then re­ moved from the brine and pressed to remove excess moisture and oil. In some instances the anchovies are cured in tanks for about 3 months with 50 pounds of salt per 100 pounds of fish. After this they are taken from the heavy brine and resalted in hogsheads with 25 pounds of salt per 100 pounds of fish. The hogsheads are left in the sun until the anchovies have acquired the desired color and flavor. Ocher may be added to the brine to improve the color. NORWEGJAN OR SWEDISH ANCHOVIES Norwegian or Swedish anchovies are flavored with salt and spices and the curing is not a fermentation process. Various spice mixtures are used but the following process is typical. From 25 to 30 pounds of sprats are placed in a brine made of 4% pounds of Liverpool salt and enough water to cover, for 12 hours, and are then laid on a screen to drain. The following quantities of spices are used: 2%. pounds of Luneberg salt. 3 ounces of pep­ per, 3 ounces of allspice, 1f2 ounce of cloves, Vi. ounce of nutmeg and If:! ounce of cayenne pepper. All are well pulverized or ground and mi.'Ced together. The sprats are well stirred up with half of these spices in a large container in which they are packed and left for 14 days. They are then packed in layers, backs down. Some of the remaining spice mixture is scattered between each layer, with pieces of chopped bay and cherry leaves. On the bot~ tom and on the top of the containers two whole bay leaves are laid. The brine formed in the larger container is used to fill in the smaller containers. after packing. During the first few days after the containers are closed they must be rolled about and inverted at least every other day (Hoffman, N. D.). Tin containers are preferred to wooden kegs not only 'because the latter are often leaky, but also because the airtight seal in the form~r permits a longer period of preservation. According to another formula fresh brisling are placed for 12 to 24 hours in a strong salt brine, drained and dried on a screen, and are packed in layers in small kegs. To each 40 pounds of fish, 214. pounds of Luneberg salt, 7 ounces of pepper, 7 ounces of allspice, 7 ounces of sugar, 1% ounces of cloves, I1h ounces of CANN IN G OF FISHERY PRC.:·T;CTS 311 nut~eg, and 1Vs ounces of Spanish h0ps are added. The spices .ire coarsely pulver ized and mixed with the sa-lt. At the top, bot­ ' ~om and in the middle of the keg, several bay leaves are laid. The kegs are packed very tightly and rolled about or inverted daily for 14 days. The anchovies may be repacked i n tins in 14 days in summer, or 4 to 8 week...:: jn '.,ir..tcr. CODFISH Fresh or canned fish cannot be substituted-with complete satis­ faction in certain favorite dishes where salt cod has always been used. But the modern grocer hesitates to handle salt cod because the'distinctive odor which develops after curin~ under ordinary conditions of handling, will drive customers away. Fur thermore the deterioration, together with the drying, yellowing and crystal­ lization of salt on the surface, which occur while the cod is being held for sale, lowers the quality and decreases~ the margin of profit. The use of hermetically sealed vacuum pack containers removes the odor objection and results in salt codfish reaching the retail market with the flavor, color, texture and moisture content of freshly cured fis h. No "sterilization" process is used, therefore the period of preservation is limited. This method was first used I ommercially or.. the Pacifi c Coast, but has also been introduced in the New England salt fish industry. Freshly cured salt cod is graded for quality, only the best grade of fish being used. The selected fish is skinned, boned, and cut in container length pieces. At the filling table workmen weigh out the salt fish in one-pound lots, passing it to packers who form it into cylinders. Each cylinder is rolled in a sheet of vegetable parchment paper, the ends of paper are folded over to make a neat package, which IS filled into a No. 1 tall can, with "c" enamel lining, seafood formula. The filled cans are sealed under vacuum, usually not more than 12 inches. The sealed cans do not require washing, though they may be wiped with a cloth. After labeling, 1 dozen cans are packed to a fiberboard carton. Another hermetically sealed vacuum pack salt codfish is shred­ ded cod. This is made by taking small pieces .of good quality fish, mostly ,trimmings from packaging salt cod. These bits are shred­ ded by machine, then filled into glass containers of the "tumbler" type with a capacity of 4 ounces net weight. The containers are' fitted with metal tops and sealed .in a vacuum closing machine. This product should not be placed in a strong light or oxidation and loss of flavor will occur. It is used pr incipally for making codfish cakes. 312 RESEARCH 'REPORT 7, FISH AND WllJ>LIFE SERVICE . SMOKED HERRING A small but increasing amount of skinned and boned ' h.ar smoked herring is packed in hermetically sealed containers eve]: year, selling principally to the delicatessen trade where it is so ' as an hors d'oeuvre or "cocktail relish." This pack is made 1: Maine from herring cured in that State or imported from Nm' Scotia. The method used in smoking "hard cured" herring'iS' d'i!s'crlb{ fully by Tressler (1923) and Stevenson (1898). The herring al' cured a minimum of four weeks to a moisture content of 5 pe:' cent. Temperatures higher than 80° F . should not be used an , many smokers prefer a temperature of about 62° F. Boning and skinning the smoked herring may be done at th smoke house, or it may be ''farmed out" on a piece work basis i: nearby homes. The heads, bellies and tails are clipped off wit: scissors or removed by knives, the viscera are pulled out and th herring split in- half. Workers, usually women and children, r E move skin and bones with their fingers. The skinned and bone fish are cut in strips about 14 inch in width and are packed vern cally in vacuum sealed glass tumblers, to a net weight "of abou 4 ounces.
Load more

Recommended publications
  • Cutting. We Started a Research Program to Investigate the Process of Curing Fish in Traditional Kilns
    THE TORRY KILN ITS DESIGN AND APPLICATION WITH PARTICULAR REFERENCE TO THE COLD SMOKING OF SALMON, HERRING, AND COD Alex M cK . Bannerman, M BE A. I. F . S. T. Independent Consultant Swanland, North Ferriby Yorkshire HU14 3QT En gland 44! 0482-633124 In 1933, I was privileged to join the Torry Research Station in Aberdeen, Scotland. I worked for the director, the late Dr. G. A. Reay, investigating fish proteins, freezing, cold storage, salting, and dehydration of herring and cod, and the analytical techniques to test these processes ~ In 1936 37, I became involved in smoke curing fish, working with Dr. Charles Cutting. We started a research program to investigate the process of curing fish in traditional kilns. Some of these kiln s were 800 ft square and 30 ft high. We measured air flow, temperatures, humidities, and weight loss of fish during smoking. From the data, we built a picture of the irregularities and disadvantages of smoking in these old kilns. However, this also led to improving the process. After several attempts, we developed a simple tunnel design in which fish could be smoked under controlled conditions. The process was more economical, faster, and the product more uniform. This is a bit of history, but it was from this work that we built our expertise and knowledge of fish. A previous speaker suggested that with modern, programmable smoking equipment it is only necessary to push buttons, and "witch doctors" are no longer needed. I would agr ee with this for products such as salami, sausages, and other products manufactured from uniform ingredients in skins of uniform length and thickness ~ However, fish come in all shapes and sizes, with differing fat, protein and water content.
    [Show full text]
  • Processing Parameters Needed to Control Pathogens in Cold-Smoked Fish
    Processing Parameters Needed to Control Pathogens in Cold-Smoked Fish A Report of the Institute of Food Technologists for the Food and Drug Administration of the U.S. Department of Health and Human Services submitted March 29, 2001 IFT/FDA Contract No. 223-98-2333 Task Order 2 Processing Parameters Needed to Control Pathogens in Cold-smoked Fish Table of Contents Preface ........................................................................ S-1058 7. Conclusions ....................................................................... S-1079 8. Research needs ................................................................. S-1079 Science Advisory Board .......................................... S-1058 References ............................................................................. S-1080 Scientific and Technical Panel ............................... S-1058 Chapter III. Potential Hazards in Cold-Smoked Fish: Clostridium botulinum type E Reviewers .................................................................. S-1058 Scope ...................................................................................... S-1082 1. Introduction ....................................................................... S-1082 Additional Acknowledgments ............................... S-1058 2. Prevalence in water, raw fish, and smoked fish .............. S-1083 3. Growth in refrigerated smoked fish ................................. S-1083 Background ...............................................................S-1059 4. Effect of processing
    [Show full text]
  • Quality Characteristics of Cured Fish of Commerce J
    Quality Characteristics of Cured Fish of Commerce J N. KAWMANlt, K. GOPAKUMARx* and T. S. UNMKRISHNAY NAIR Research Centre of Central Imriiute of Fisheries Technology, Colicut - 673 005 A survey was conducted at the fish curing yards at Shakthikulangara (Quilon), fish market at Viinjam, fish curing yards, fish market as well as dry fish godowns in and around Tuticorin. A total of 23 samples of different varieties of fishes collected from the markets and curing yards and 8 samples of anchovies collected from different godowns at Tuticorin were analysed to evaluate the quality and extent of fungal and insect infestation. Samples were analysed for prodmate composition and estimated their water activity. About 70% of the 23 samples of diierent varieties of kh were found to be unfit for consumption and 12.5 % of the samples of anchovies were found to be infested with beetle, after 3 weeks of storage after collection from these centres. In India, the cured fish products have good coasts. But none of the above works men- internal market and they are also being tion the estimation of water activity of the exported in sizeable quantities to countries product and its relation to spoilage. Hence like Sri Lanka, Hong Kong, Singapore etc. an experiment was carried out to study the The export of dried fish products have curing methods adopted at various centres increased from 3.32% in 1982-83 to 7.00% and to evaluate the quality of dried salted in 1983-84 quantitywise and from 0.58 fish, stress being given to relate the water to 1.44% valuewise, of the total marine activity of the samples to their spoilage.
    [Show full text]
  • Curing and Canning of Fishery Products: a History
    its origin to the fish curing industry. The early colonists in New England and the Maritime Provinces would not Curing and Canning of have been able to survive without the salt cod and smoked herring they could Fishery Products: A History prepare, for soil was poor and the cli­ mate uncertain. While fish meant food to the early colonists, cured fish soon N. D. JARVIS became their capital resource and their stock in trade for the purchase of sup­ plies. Their most abundant fish, Atlan­ Introduction way. The smoked herring of England tic cod, could be manufactured into a was traded throughout central Europe. durable protein food product, withstand­ Fish curing comprises all methods of Even in the sixteenth century, when ing the primitive shipping and storage preservation except refrigeration and can­ England was fighting Spain, her trade conditions of the day, and was compar­ ning. It includes 1) the drying, smok­ in dried fish with Spain was continued. atively low in price. Other cured fish ing, salting, and pickling of fish, 2) vari­ It has been reported that England gained such as smoked halibut and herring, ous combinations of these methods, and more wealth from cured fish products pickled sturgeon, and salt salmon were 3) miscellaneous methods such as the in the sixteenth century than Spain ob­ soon being shipped abroad. Out of this use of vinegar and fermentation pro­ tained in gold from the Americas. grew the "triangular trade": Salt fish to cesses or ripening. Despite the importance of fish curing Europe, manufactured goods from The drying and smoking of fish are since prehistoric times, information on Europe to the West Indies, and sugar, ancient processes.
    [Show full text]
  • The Processing of Dried Salted Fish
    The Processing of Dried Salted Fish By s. A. BEATTY and H. FOUGERE Fi.heries Research Board of Canada Technological Station, Halifax, N.S. PUBLISHED BY THE FISHERIES RESEARCH BOARD OF CANADA UNDER THE CONTROL OF THE HONOURABLE THE MINISTER OF FISHERIES OTIAWA, 1957 'rice: 50 cents BULLETIN No. 112 The Processing of Dried Salted Fish By S. A. BEATTY and H. FOUGERE Fisheries Research Board of Canada Technological Station, Halifax, N.S. " PUBLISHED BY THE FISHERIES RESEARCH BOARD OF CANADA UNDER THE CONTROL OF THE HONOURABLE THE MINISTER OF FISHERIES � OTTAWA, 1957 W. E. RICKER N. M. CARTER Editors (iv) Bulletins of the Fisheries Research Board of Canada are published from time to time to present popular and scientific information concerning fishes and some other aquatic animals; their environment and the biology of their stocks ; means of capture ; and the handling, processing and utilizing of fish and fisheryprod ucts. In addition, the Board publishes the following: An Annual Report of the work carried on under the direction of the Board. The Journal of the Fisheries Research Board of Canada, containing the results of scientific investigations. Atlantic Progress Reports, consisting of brief articles on investigations at the Atlantic stations of the Board. Pacific Progress Reports, consisting of brief articles on investigations at the Pacific stations of the Board. The price of this Bulletin is 50 cents (Canadian funds, postpaid). Orders should be addressed to the Queen's Printer, Ottawa, Canada. Remittance made payable to the Receiver General of Canada should accompany the order. All publications of the Fisheries Research Board of Canada still in print are available for purchase from the Queen's Printer.
    [Show full text]
  • Pickling Fish and Other Aquatic Foods for Home
    and fish, keeping the skin sides of the fish layers pickling solution than the amounts indicated in the adjacent. With the top layer of fish, place the fish preceding paragraph. skin side up. Hold under refrigeration if pos- sible. Do not store above 50˚F. Storage If you follow this basic recipe, you should produce a Brine curing safe, good quality product. However, the fish must Place sides of fish into saturated brine (about be stored under refrigeration (38˚F) to provide an 1 part fine kosher salt to 3½ parts water) and added measure of safety. This will ensure that food completely submerge them with a clean weight poisoning bacteria will not grow. Refrigerated or use a container that has a lid that can be used storage also will retard bacterial spoilage, reduce to keep the fish submerged during the entire problems with enzymatic softening, and reduce brining process. Use about equal volumes of fish discoloration. If refrigeration facilities are limited, and brine. Place the top layer of fish skin side do not pickle more fish than you can consume in a up. Hold under refrigeration if possible. Do not few weeks. store above 50˚F. For Further Reading Pickling Canning Seafood, PNW0194 4. Remove the surface brine by rinsing fish in cold Smoking Fish at Home—Safely, PNW0238 fresh water using a process called “freshen- Home Canning Smoked Fish, PNW0450 ing.” Soaking the fish (not longer than 1 day) Home Freezing of Seafood, PNW0586 in cool, fresh water to reduce salt content may be desirable, but is not necessary.
    [Show full text]
  • A Survey of the Quality of Salt Cured Fish Produced in the Kanyakumari Disrict [I.E
    A survey of the quality of salt cured fish produced in the Kanyakumari Disrict [i.e. District], Madras State Item Type article Authors Srinivasan, R.; Joseph, K.C. Download date 29/09/2021 08:17:36 Link to Item http://hdl.handle.net/1834/32040 A SURVEY OF THE QUALITY OF SALT CURED FISH PRODUCED IN THE KANYAKUMARI DISRICT, MADRAS STATE R. SRINIVASAN AND K. C. JOSEPH Fisheries Technological Station, Madras State. A survey of the quality of salt cured fish in Kanyakumari District, Madras State was done during the years 1963 and 1964 to obtain necessary basic information to formulate quality standards for these products which are gaining importance in the export trade. 155 trade samples of sun-dried, dry-salted, wet-cured and pit-cured fishery products were examined for their chemical quality and organoleptic characteristics. 26.5% of the sun-dried products, 25% of the wet­ cured fish, 55.21% of the dried salted products and none of the pit­ cured samples were found to be good in quality. The sun dried pro~ ducts were generally found to have heavy admixture of sand and were inadequately dried. The chief defects in the salt cured fish products were found to be the use of spoiled fish, imperfect cleaning and washing, use of impure salt, inadequate salting, curing and drying, and unhygienic conditions in all stages. Quality standards must be formulated for each variety of salt cured fish product and adequate measures taken to rectify the defects and enforce the quality standards. INTRODUCTION catches of 125 tonnes I km.
    [Show full text]
  • Anchovy Fillets
    ANCHOVIES IN BRINE Comercial Name: Anchovies in Brine Ingredients: Anchovy ( Engraulis encrasicholus or Engraulis anchoita ), FAO 27 or Import FAO 41 and 34, water and salt. Raw Material Treatments: Raw materials are semi-preserved, which obtains since beheaded salted anchovies with clear water and salt, in order to reach >20% NaCi in muscle tissue aqueous phase during >4 months, according regulation 1276/2011 wich modify the annex III from regulation 853/04, in order to prevent the treatment to kill parasitic viable in fish products intended for human consumption. Received in food used metal cans of 3 to 10 kg also in food used barrels of 50 to 350 Kg. Both format are sold as purchased, without making any kind of treatment or repackaging in our facilities, even unopened original packaging. Only in glass jar format, is a repackaging. Product Category: Semi-preserved fish ( Engraulis encrasicholus or Engraulis anchoita ) in brine with >20% of NaCI. Food Category: According safety criteria from Food Security, Regulation (CE) 2073/2005 Food ready for consumption which can’t encourage the development of L. monocytogenes not intended to infants and not for special medical purposes, by having αω at 20ºC ≤ 0,92. Chemical Parameters ( according Regulation 1881/2006 and subsequent Amendments ). PARAMETER LIMIT UNITS Lead (ld) 0.30 mg/Kg Cadmium (Cd) 0.30 mg/Kg Mercury (Hg) 0.50 mg/Kg Dioxins 3.50 pg/g Sum of Dioxins & PCB’s 6.50 pg/g Benzopyrenes 2.00 Microg/Kg Microbiological Parameter ( according *Regulation 2073/2005 ) PARAMETER LIMIT UNITS
    [Show full text]
  • Techno-Economic Feasibility Study for Fish Smoking Enterprise Fisheries Development Project-Hurghada Red Sea Governorate
    TECHNO-ECONOMIC FEASIBILITY STUDY FOR FISH SMOKING ENTERPRISE FISHERIES DEVELOPMENT PROJECT-HURGHADA RED SEA GOVERNORATE UNITED NATIONS DEVELOPMENT PROGR/iry_i - FOOD AND .AGRICULTURE ORCylt. OF THE UNITED NATIOIJS RAB/81/002/l TECHNO-ECONOMIC FEASIBILITY STUDY FOR FISH SMOKING ENTERPRISE FISHERIES DEVELOPMENT PROJECT-BURGHADA RED SEA GOVERNORATE Prepared by I.H.Feidi M.A.Moharram Economist/Investment Analyst Counterpart Econ/Invest.Analyst With participation of Z.E.z El Din Counterpart Fish Processing FOOD AND AGRICULTURE ORGANIZATION OF THE UNITED NATIONS PROJECT FOR DEVELOPMENT OF FiSHERIES IN AREAS OF THE RED SEA AND GULF OF ADEN Cairo-Egypt December 1982 t l l. i· ·l f t L ;. I . j ~ ~ ~ ·~ ~. ~ t~ ~. ~- ~· 1...- t.. r1 if' l 'f; l fr;: r.== B I ~ ; ~E ~r J ~ t i ~ ~· l 't~ ~· t \;;. Et -- [ &- --> -- I :· II l t - .-\ill ~ ~..- r (;- .-() 01 .r So. v - _._ 0 \.-· r ;- r - .- ~ r·. k L- . fi ~ ·~ [ cz '.::: i t ~ 1: c;_ u;- ~ 1' t:. v· 0 t f." · I 4 " (r \'t'>r;;:' G. I E:. l y;- [ r - lL. \b r.:"j '1-- !• (;! E C - V "1£>, .C- er ~ r· {' - ~E ~ .~ ~· <"'c,,~ . 1f' c. ~· LI l I - t !I - ~ Q>: " ·v '1- t'.. w • [ <:-- """" ~ 0_... ~ t>.l. 01 - \:&"" J- '( 01 • &> · [ v v t r· - (:" '& ..'. J '[ .l '" c:_. f. ~- ~- ~ ~ ·~ ~ f ~ ~~ k r .. 1 rr h~ L~ 'i l { r. r.. r1"1t.- t'f'"' .{ 1. t. .!' (_. .- - 1 lL. c:- ( :r c;_ l ·\ .. ~ .r ~ f. l ~, ~. 1 • E 0 <1... y r.:- (1 -i 't ~ _ f \- ~ f. r r ~, I • • • Cl,. [ !:: --.,- ~ E: l&1 ·~ ~ 4 Go.
    [Show full text]
  • Uses of the Herring Catch
    MANX SEA FISHING Herring Carts at Peel Fish Auction eaten HERRIN INJIHE MANX DIET Herring were also fried roasted or pot ted Potted herrings were made by over night cooking in the oven with vinegar pickl had always been part ofthe ing spices and bay leaves staple diet of Manxmen eaten with HERRINGoatcakes in early times and especially The following was a recipe for Herring with potatoes after these were introduced to Broth a meal relished by fishermen the Island soon after 1700 An old writer des cribes the way this typical meal was eaten as Ingredients 10 fresh herrings shallots or follows The primitive and chosen way of chives pepper and salt the Manx to take it was to put mashed pota toes in a long wooden tray a cup of butter Preparation clean and scrape the herring well placed beside it into which all dipped and in removing the heads and tails Place in a pot that manner the boiled herring and all were with shallots or chives finely chopped Add eaten with the fingers The potatoes were pepper salt and a quart just over a litre of often boiled in their jackets cold water Cooking Bring to the boil simmer for 15 min RED HERRINGS utes Serve the herrings in the broth removing the bones From about 1780 to the 1830 s red herrings were a very important outlet for fish Red her rings were cured dried and smoked over An extra quantity of herrings would be set wood fires in large buildings erected for the aside in or for the stock August September purpose at Douglas Derbyhaven Port St or winter store These were preserved by Mary and Peel Red herrings
    [Show full text]
  • Print 1957-05-13 IPFC Sec II and III.Tif (209 Pages)
    AN EXPERIMENTAL INVESTIGATION OF DRY FISH MANUFACTURE b C. E. ST. C. Gunasekera and Nihd IN. Silvea Department of Fisheries.. Colombo. Ceylon. The importance of the dried fish indastr+ in Ceyfon and the disadvantages in the local methods of fish curing are discussed. Results of some chemical and bacteriological studies into the preservation of fwh by salt are described. After investigating several methods of curing, the most satisfactory results were obtained by a process involving the removal of gats and gills and the extraction of surface blood by a dip in 10% brine prior to salting in brine maintained at saturation. But salt alone was found to be insuficient to prevent bacterial decomposition especially due to strains of red halophiles, to which however a 0.5% aaueons solution of citric atid proved inhibitory and a 2% dution bactericidal. The viability of common fod poiswing pathogens in saturated salt was also decreased and the growth of fungi prevented by this concentration of citric acid. Citric acid besides its bacteridical and fungistatic properties, increased the initial rate of salt penehation, thus shortening the period of time during which the fish is most liable to decompose. The salt-citric acid protection permits slow air drying without deterioration; apart from its superiority to direct szm&yhg, the process is thus made independent of adverse weather conditions. The manufacture of dried fish in Ceylon the wed product the only form of fish available was at one time one of the major industries of in many meas. Curing fish is also a useful the Island. Deraniyagala ( 1953) bas mced the cottage industry as it often supplements the main causes that led to its decline, which were meagre income of fishermen enabling them to the imposition of meson tbe product as well as make the best use of occasional surpluses and of repressive levies on the salt upon which the less popular varieties.
    [Show full text]
  • Fish Smoking in Ghana: a Review Sakyi Essien Michael1-3, Jia Cai1-3*, Ampofo-Yeboah Akwasi4, Aglago Adele4
    13(3): 013-024 (2019) Journal of FisheriesSciences.com E-ISSN 1307-234X © 2019 www.fisheriessciences.com Review Article Fish Smoking in Ghana: A Review Sakyi Essien Michael1-3, Jia Cai1-3*, Ampofo-Yeboah Akwasi4, Aglago Adele4 1College of Fisheries, Guangdong Ocean University, Zhanjiang, China 2Guangdong Provincial Key Laboratory, Pathogenic Biology and Epidemiology for Aquatic Animals, Zhanjiang, China 3Key Laboratory of Control for Diseases of Aquatic Animals, Guangdong Higher Education Institutes, Zhanjiang, China 4Department of Fisheries and Aquatic Resources Management, University for Development Studies, Tamale-Ghana Received: 10.07.2019 / Accepted: 25.07.2019 / Published online: 01.08.2019 Abstract: Ghana’s fisheries sector comprises 485 fish species. The fish industry contributes to the nation’s economy annually representing 4.5 % of the Gross Domestic Product (GDP) and twelve (12) % contributions to agriculture. There are several fish processing methods in Ghana such as smoking, salting, frying, sun-drying, freezing, and fermentation. Smoking is one of the common ways of preserving fish in large quantities. Wet hot smoking and dry hot smoking are the two forms of fish smoking which consist of three stages of smoking fish namely; cooking stage, drying stage and smoking stage. Predominately, the fish smoking industry is mainly dominated by women and young girls. Fish processing activities are done around and along the coastal waters and river banks. The technologies used in fish smoking in Ghana are improved types of conventional fish smoking ovens, chorkor smokers, oil drums and acceptance of upgraded smoking techniques. Usually, the fish species smoked are catfish, herring, mackerel, anchovy, and tuna. The smoked fish are stored in empty baskets line with brown papers and as well covered with brown papers.
    [Show full text]