analysis of tocopherols and tocotrienols in foods
Preservation of fish and meat - Part 1 pptx
... disadvantages of each method are described Preservation of fish and meat The following preservation methods are discussed: salting, drying and smoking of fish and meat, fermenting of fish, canning of fish ... question of which method to choose given the local conditions The following topics are discussed: salting, drying and smoking of fish and meat; fermentation of fish; canning of fish and meat; and ... small-scale canning factory: prerequisites 64 64 65 66 68 69 71 76 76 9.1 9.2 9.3 Cooling and freezing fish and meat General information Cooling and freezing fish Cooling and freezing meat 78 78...
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Preservation of fish and meat - Part 2 pot
... e.g during drying and smoking, the product acquires a rancid smell and taste It is therefore better to use less fatty kinds or pieces of fish or meat for smoking and drying Storage life and spoilage ... grow in the fish and meat The following factors influence the growth of bacteria and the speed with which rotting takes place Damage The skin of fish and meat, for example, is a protection against ... breakdown of certain vitamins in sunlight Lengthy smoking is also based on the principle of reducing the internal water content Smoke particles give an added taste to the product Increasing the...
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Preservation of fish and meat - Part 3 doc
... gills and intestines can be removed by placing one's fingers under the gills and pulling everything out Scrape any remaining blood out with the knife Clean the abdominal wall with clean (drinking) ... and hold it by its head Scrape the scales off starting at the tail and working towards the head Try not to damage the skin of the fish while doing so Wash the fish in clean (drinking) water and ... not cut into the underbelly 18 Preservation of fish and meat Open the fish and remove the intestines and gills Wash the fish thoroughly with clean (drinking) water Figure 2: Splitting of fish...
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Preservation of fish and meat - Part 4 docx
... contaminated; it must be clean and clear (drinking water quality) The most effective way of preserving fish and meat is to combine salting with smoking or drying 4.2 Salting fish Three ways of salting ... Preservation of fish and meat Brining With this method, fish is soaked in a solution of water and salt (brine) Brining is not used as such as a preservation method but as preparation for smoking or drying ... fish Three ways of salting fish are described here: dry and wet salting (in technical jargon: kench salting and pickle curing) and brining The first two methods result in fish with a relatively...
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Preservation of fish and meat - Part 5 pps
... immediate vicinity This is a highly suitable breeding place for these kinds of insects Using a good salting technique helps to keep the insects at a distance during drying Also use mosquito netting to ... hanging horizontally in such a way that the pieces of meat not touch (Figures 10 and 11) Figure 10: Hanging up strips of meat on hooks and strings Figure 11: Simple construction of wood for drying ... the desired taste and consistency 5.6 Solar drying Natural drying of fish and meat sometimes has disadvantages Long periods of sunshine are required, the drying speed is slow and in areas with a...
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Preservation of fish and meat - Part 6 potx
... prevents the outer layer of the fish or meat from sealing shut (case hardening) during smoking That would mean the outer layer (which in the case of fish is their skin) Smoking 47 would no longer ... difficult to control and in the end the products are not equally or uniformly smoked The ovens are sensitive to the influence of rain and wind An advantage is, of course, the low cost of materials to ... material in clean (drinking) water, since salt can form a hard, impenetrable crust during smoking It is also advisable to dry the raw product for an hour in the sun (see Chapter 5) before smoking...
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Preservation of fish and meat - Part 7 pot
... contains a lot of the amino acid lysine This amino acid is found only in small quantities in rice The quality of the resulting product depends on the fat content of the fish, the enzyme activity in ... washed in drinking water The fish are Fermenting fish 61 mixed with salt (1 kg of salt to kg of fish) and put into jars Dried fruit pulp or tamarind (a tropical fruit) is added to the salt and fish ... divided into two groups: products which, in the presence of salt, are fermented by the enzymes present in the fish flesh and intestines; products which are fermented in the presence of boiled...
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Preservation of fish and meat - Part 8 potx
... types of tin cans available with varying capacities and shapes (cylindrical = long and thin, flat = wide and shallow) Tin cans can also vary according to the presence or absence of a layer of varnish ... lids ? (hand-operated) seaming machine for seaming tin cans 68 Preservation of fish and meat Figure 20: Pressure canners 8.5 Preparation Clean and tidy work pays off in lower levels of micro-organisms ... will develop in the jar as the product cools and the food inside has no more chance of coming in contact with outside air and becoming contaminated Tin cans can be sealed after adding the liquid,...
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Preservation of fish and meat - Part 9 pdf
... installation of an ice factory and/ or cooling or freezing facility will not be discussed 9.2 Cooling and freezing fish Whole fish, with the intestines and gills removed, and fish fillets are often cooled ... is) Cooling and freezing 79 9.3 Cooling and freezing meat Cooling and freezing is also used for the storage of meat as well With meat it is important to quickly lower the temperature of the carcass ... throughout the environment Some of them cause severe illness Curing Preserving by smoking, salting, drying, fermenting, acid curing or various combinations of these Enzymes Proteins specialized to catalyze...
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Báo cáo y học: "The association of meat intake and the risk of type 2 diabetes may be modified by body weight"
... nitrates, and heterocyclic amines formed during cooking Nitrosamines formed during cooking may be toxic to pancreatic cells [21] Consumption of foods with a high content of nitrites and nitrosamines ... walking, stair climbing, cycling, household activities and daily commuting to and from work (walking and cycling) We calculated the metabolic equivalents for each activity, using a compendium of ... coefficient of interaction was not significant None of the previous studies evaluated the interaction between BMI and meat consumption Our findings of inverse associations between red meat and type DM in...
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Tài liệu Báo cáo khoa học: Fish and molluscan metallothioneins A structural and functional comparison ppt
... right-handed b domain binds three bivalent metal ions The C-terminal a domain is left-handed and binds four bivalent ions Zinc is preferentially located in the b domain and cadmium in the a domain ... MTs contain 61–62 amino-acid residues, whereas larger chains with 72–74 residues are found in molluscs and in nematodes, and shorter chains have been reported in insects and fungi [37] In this ... cadmium and zinc of MT 10 may be due to a weaker metal–thiolate interaction because of the reduced number of lysines In fact, substitution of three lysines with glutamates in the CK motifs of the...
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Tài liệu Preparing and Canning Poultry, Red Meats, and Seafoods pptx
... containing teaspoon of salt per quart Rinse and cover clam meat with boiling water containing tablespoons of lemon juice or 1/2 teaspoon of citric acid per gallon Boil minutes and drain To make minced ... level of to inches above the beans and soak 12 to 18 hours Drain and discard water Combine beans with 5-1/2 cups of fresh water and teaspoons salt Bring to a boil Reduce heat and simmer 30 minutes ... in water containing 1/2 cup salt per gallon Drain Add 1/2 teaspoon salt to each pint, if desired Fill hot half-pint or pint jars with drained oysters and cover with fresh boiling water, leaving...
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Tài liệu Poultry meat pathogens and its Control pptx
... poisoning However, both types of bacteria include strains that are invasive in poultry and can penetrate internal organs or deep tissues of the bird, Table1.1 Feature of Intestinal carriage in Campylobacter ... poultry industries find control of Salmonella more difficult and subject to cost constraints In the UK, improved practices in production and processing have led to a steady decline in the contamination ... al 1999) In a survey of retail meats in the USA, Doyle and Schoeni (1987) found in VTEC 0157 in 1.5% of 263 samples of chicken and turkey leg meat Although Heuvelink et al (1999) could find no...
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Tài liệu Moist-Soil Management Guidelines for the U.S. Fish and Wildlife Service Southeast Region pptx
... experience of wetland managers working mostly in Louisiana and Mississippi The guidelines are presented in nine sections, representing some of the most critical aspects of moist-soil management and ... problem vegetation include: maintaining moist soil conditions with irrigation throughout the summer, flooding/re-flooding, disking, water buffaloing, mowing, continuous flood, and spraying approved ... Flood for migrating / wintering waterfowl Hold water for wintering / migrating waterfowl Spring migrating Fall migrating shorebirds shorebirds 15 Integrating Management for other Wetland-Dependent...
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Tensile properties of cooked meat sausages and their correlation with texture profile analysis (TPA) parameters and physico chemical characteristics
... commercial brands were purchased in retail shops in Spain The 24 samples were 691 bought three times (January, May and October) maintaining brands and meat sausage type At every time of purchase, ... samples were of chopped (CH), nine of mortadella (MT), and seven of galantines (GL) Chopped is a heat-cured meat sausage manufactured with a mixture of ham chunks and trimmings and seasonings, ground ... grade, indicating good gelling ability These scores in the folding test could be explained by the high values of breaking strength and TPA parameters of the textural profile The visual and rheological...
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Meat science and applications
... micrograph of a bovine psoas myofibril The banding patterns visible in the intact cells are also seen in the myofibril Alternating dark A bands and light I bands can be observed The I band is bisected ... to move deeper into the groove of the actin With the tropomyosin movement, a binding site for the heads of the myosin on the surface of the actin is exposed, and the myosin binds and pulls or pushes ... course of muscle metabolism Protein Changes A number of postmortem changes in the muscle proteins have been identified The myofibrillar proteins desmin, troponin T, titin, nebulin, and vinculin all...
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FISH AND AMPHIBIANS (Britannica Illustrated Science Library) pdf
... upward against a groove in the roof of the mouth, forming a tube for emitting the stream of water Its prey includes spiders as well as flies and other insects Groove in roof of mouth Movement of tongue ... CAUDAL off the blood of other FIN fish and have thin pharyngeal sacs instead ANUS of gills Retina Suspensory ligament Lens BRAIN receives information and coordinates all the fish's actions and functions ... high, wide fins The potency of the venom depends on the species Covering Base of spine Spine of fin The poison gland lies along the inside of a long central groove and is covered with glandular tissue...
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