the muscle tissue contains on average 70-75% water, 19-23% crude protein, 3-2% fat, as well as minerals and saccharides in the quantity of around 1% each. Meat muscle is made out of fibers that are bundled together with connective tissue. The Meat We Eat is a course designed to create a more informed consumer about the quality, safety, healthfulness and sustainability of muscle foods and address current issues in animal agriculture in developed and developing countries. seawater, water that makes up the oceans and seas, covering more than 70 percent of Earth's surface. Practically all the proteins are coagulated by heat. This week, we'll learn about humane animal slaughter, and about converting muscle to meat. Water 55-80 Protein 15-23 Lipids (Fat) 1-20 Carbohydrates 1-2 Non-protein Nitrogenous sbs 1.5 Ash (Minerals) 1.0 Vitamins <1.0 DISCUSSION OBJECTIVES Examination of the individual chemical components ofmeat and their influence on: Palatability characteristics Shelf-life properties Functionality in further meat processing Nutritional value It also contains a great amount of several minerals (calcium, phosphorus, sodium, potassium, chlorine, magnesium) and trace elements such as iron, copper, zinc and many others (Lawrie and Ledward, 2006 ). This chapter describes the muscle composition and the conversion of muscle into meat, the meat components (nitrogen compounds and enzymes, lipids, carbohydrates, vitamins, minerals, and water), their influence in meat quality, and the . Meat is the flesh of certain animal species that is used as food by humans and includes many tissues and edible parts although the main tissue is the muscle. 2. economy burger. Beef Composition of Meat Water 75 of muscle. Raw red muscle meat contains around 20-25 g protein/100 g. Cooked red meat contains 28-36 g/100 g, because the water content decreases and nutrients become more concentrated during cooking. Moisture Moisture is the greatest single contributor to muscle weight and is easily lost from meat. Add 1o ml of distilled water, mix and allow to soak for 5 minutes. During the processing conditions, such as curing and heat treatment followed by the storage, small percentage of the water remains within the muscle fiber which is termed as the "bound water". The muscle is approximately 75% water (although different cuts may have more or less water) and 20% protein, with the remaining 5% representing a combination of fat, carbohydrate, and minerals. Composition Of Meat Lean meat contains albumin dissolved in much water. The connective tissue is composed of two proteins, collagen and elastin.The collagen, when boiled with water, forms gelatine.The fibers are hollow with walls composed of the protein sub-stance called elastin. Table 2. 3.5% What is water content high in (in terms of animal products)? The moisture retained by the meat is referred to water holding capacity (WHC). Structure And Composition. Muscle Tissue Water 75% Long thin muscle fibers bound together in bundles; texture of these bundles determines the "grain" of the meat 3 kinds of Connective Tissue in Meat 1. Collagen ("glue") 2. Beef, lamb and other species, or other mixtures of meat: 62%. Hydrogen - 11%. if described as an X economy burger, the amount of X must be at least equal to the minimum required meat content. Meat composition consists of approximately 75% of water, 19% of protein, 2.5% of fat, 1.2% of carbohydrates and 1.65% of nitrogen compounds. There are also present small amounts of other nitrogenous substances, not proteins, called extractives. In the L 1 group, high levels of dietary proteins and energy has significantly influenced: muscle mass, meat: bones ratio, chemical composition of meat (water, proteins and lipids), pH value and . Meat is mostly the muscle tissue of an animal. The chemical composition of meat of different livestock species is shown in Table 2.3. Muscle Biochemical Composition. Major portion of water contents in meat tissues exist in free- state within muscle fibers and smaller amount of it is present in the connective tissues. Most animal muscle is roughly 75% water, 20% protein, and 5% fat, carbohydrates, and assorted proteins. : 146 In muscles that enter rigor in a contracted position, actin and myosin filaments overlap and cross-bond, resulting . Meat is made up of fibers which are embedded in and held together by connective tissue. The coconut's composition is . The percentage of water in a cut can vary depending on the time of the year, kind of meat and type of muscle. Carbohydrates, minerals and vitamins occur on much smaller amounts but nevertheless are very important metabolically and nutritionally. Meat is composed of 75% Water, 5-40% Fat, 5% Minor components, Minerals (especially iron), enzymes, and pigments. This characteristic can be described in several ways, but in fresh products that have not been extensively processed, it is often described as drip loss or purge. One of the basic parameters of meat and meat products' quality is their chemical composition. 62%. The biochemical properties of the major muscle components (i.e., myofibers, connective tissue, and adipose tissue) are described in the following. Foods that have a 'reserved description' and are covered in . PIG 12-04-05 PAGE 1 Summary Water-holding capacity of fresh meat (ability to retain inherent water) is an important property of fresh meat as it affects both the yield and the quality of the end product. 18.5% 16-22% What percent of meat is FAT? Seawater is a complex mixture of 96.5 percent water, 2.5 percent salts, and smaller amounts of other substances, including dissolved inorganic and organic materials, particulates, and a few atmospheric gases. Fatty acid composition in meat is a topic of interest to both the scientific community and the public. Because the proteins found in meat provide all nine essential amino . Meat- 75% Eggs-78% Milk-88% 3.1. Introduction. Using a small tube or scoop pre-marked to hold 1 g of the granules, dispense the medium in 1 g amounts in screw-cap bottles or tubes. if described as an X burger, the amount of X must be at least equal to the minimum required meat content. Result: Laboratory analysis revealed that there was no significant difference (p>0.05) in the proximate composition of meats among the three native chicken breeds. By the third month of fruit development, there are small quantities of coconut water. Juiciness- marbling is fat deposited in the muscle tissue, surface fats protect the meat while cooking.2. Meat naturally contains about 75% water, but can vary depending on the cut. Endosperm tissues undergo one of three main modes of development, which are the nuclear, cellular and helobial modes [] and . Fat in meat animals consists mostly of triglycerides, acquired from dietary sources and fatty acid de novo synthesis (Dinh et al., 2010; Bravo-Lamas et al., 2018).Fatty acids are classified by the length of their carbon chains and the number of double bonds. Water buffalo meat was also reported to contain a greater concentration of conjugated linoleic acid (1.83 mg/g fatty acid methyl esters) compared with meat from zebu-type cattle (1.47 mg/g fatty acid methyl esters; de Mendoza et al., 2005 ). Bot., 43(1): 357-363, 2011. Water activity (Aw): Water activity (aw) is the term for the amount of free (not chemically or physically bound) water, which is available for the growth of microorganisms. However, when we collect small samples of ocean water break down the chemical formula into its elemental properties, we can see that seawater is as follows: Oxygen - 86%. Using test tubes needs a tube rack or an autoclavable beaker. It also contains other proteins some of which are not soluble in water. Meat is an excellent source of protein. estimated close to 70 -75% (muscle is 65 to 85 %) Most variable component Most of the meats water is in the free state. 75% 65-80 % What percent of meat is PROTEIN? This chapter describes the muscle composition and the conversion of muscle into meat, the meat components (nitrogen compounds and enzymes, lipids, carbohydrates, vitamins, minerals, and. 3. 1. 2.3 Basic nutritional composition of meat Meat is mostly the muscle tissue of an animal. The muscle is approximately 75% water (although different cuts may have more or less water) and 20% protein with the remaining 5% representing a combination of fat, carbohydrate and minerals. Muscles are made of bundles of cells called fibers. Affects juiciness. The total ash content and calcium level was found to be higher in Nicobari Black chicken meat than other breeds and Naked Neck chicken showed the highest value of unsaturated fatty . Preparation of Cooked Meat Broth Suspend 12.5 grams RCM in 100 ml purified/distilled water in a flask or suspend 1.25 grams in 10 ml distilled water in a test tube. OBSERVE AND DISCUSS Water Content of Meat and Poultry Product Name Percentage Water Raw Cooked Chicken fryer, whole 66% 60% White meat chicken, with skin 69% 61% Dark meat chicken, with skin 66% 59% Ground beef, 85% lean 64% 60% Ground beef, 73% lean 56% 55% Beef, eye of round 73% 65% Beef, whole brisket 71% 56% Protein 20% of muscle tissue. Water Adipose tissue contains little moisture; therefore, the fatter the animal, the lower the total water content of its carcass or cuts. Proximate composition The four major constituents in the edible portion of fish are water, protein, lipid (fat or oil) and ash (minerals). 50%. Composition of coconut water. Also in solution are various mineral salts. What are the major components of meat? The content of water, fat, and protein affects both the technological and processing quality of the meat, as well as the quality of the finished product. The composition of the diet, especially the amount of protein provided, is also an important factor regulating animal growth. This guidance is for England and Wales. Given the wide range of species, and the climate and vegetation differences among the harvesting areas, game meat shows heterogeneous characteristics and chemical composition, the latter being also affected by sex, age . One of the most prevalent pork quality issues is unacceptably high moisture loss (often described as purge or drip loss) in fresh and minimally processed . Food for sale to consumers needs varying degrees of labelling. People eat meat for the muscle. Meat and poultry is composed of muscle, connective tissue, fat and bone. Each cell is crammed with filaments made of two proteins: actin and myosin. Principal component of meat. The muscle of most animals contains 75% water, 20% protein (amino acids), and 5% fat, carbohydrates, and a variety of vitamins and minerals ( Listrat et al., 2016). Order custom essay Composition and Structure of Meat with free plagiarism report GET ORIGINAL PAPER Grading of beef. This amount increases and reaches the maximum when the nut is 7-9 months old. Composition of MeatWater- 75% of muscle tissueProtein- 20% of muscle tissue, coagulates and becomes firmer when cookedFat- 5% of meat, some fat is desirable Fat1. meat is composed of approximately 72-75 % water, 21 % nitrogenous compounds (19 % proteins and 1.5 % nonprotein nitrogen compounds which include nucleotides, peptides, creatine, and creatinine), 2.5-5 % lipids, 1 % non-nitrogenous compounds (vitamins) and carbohydrates (a very small amount of glycogen, transformed into lactic acid during The protein is highly digestible, around 94% compared with the digestibility of 78% in beans and 86% in whole wheat. Sterilizer the medium by autocalving (with caps loosened) at 121C for 15 minutes. General description, composition, and meat quality of cattle and buffalo meat. Water-holding capacity of meat is defined as the ability of the postmortem muscle (meat) to retain water even though external pressures (e.g. Sodium chloride is the dominant compound of the salts in solution and comprises about three-quarters of the whole; the remainder consists largely of chlorides and sulfates of magnesium, calcium, and potassium. Tenderness- marbling separates muscle fibers, making them easier to chew3. Chloride (Cl) - 2%. As broken down by the Spanish Nutrition Foundation and Fedecarne in its nutritional guide of meat, in 100 grams of chicken 70.3% is water, 9.7% are lipids or fats and 20% protein. The coconut (Cocos nucifera L.) is an important fruit tree in the tropical regions and the fruit can be made into a variety of foods and beverages (Figure 1).The edible part of the coconut fruit (coconut meat and coconut water) is the endosperm tissue. Therefore, protein, not counting water is the most prominent macronutrient in the nutritional composition of chicken. Science of Meat Quality von Chris R. Kerth (ISBN 978-1-118-53069-6) online kaufen | Sofort-Download - lehmanns.de Meat is also composed of amino acids, fatty acids, vitamins, minerals, and other important ingredients. A number of legal requirements affect butchers regarding the labelling and composition of fresh meat, cooked meat and meat products. The quality of meat products is closely linked to the quality of the raw materials used. 47%. As is explained above, these proteins carry out specific functions in living muscle tissue and in the conversion of muscle to meat. The most abundant chemical in meat is water followed by protein then fat. Water is quantitatively the most important component of meat comprising up to 75% of weight. They include actin and myosin (myofibrillar proteins), glycolytic enzymes and myoglobin (sarcoplasmic proteins), and collagen (connective tissue proteins). J. * CHEMICAL COMPOSITION OF MEAT (KERNEL) Pak. . Seawater constitutes a rich source of various commercially important chemical elements. 55%. gravity, heating) are applied to it. Seawater (Salt Water) And Its Elements. Beef . Muscle contains 60% to 70% moisture, 10% to 20% protein, 2% to 22% fat, and 1% ash, depending on type and species. For the most basic understanding, seawater is simply a solution of water (H2O) and salt. Meat and poultry are composed of naturally occurring water, muscle, connective tissue, fat, and bone. Meat from leaner animals on average contains a slightly higher percentage of water, as the water content is related to the protein and not the fat portion of . Lean meat, i.e. This is also when the coconut water tastes the sweetest, and is classified as young coconut water. The analysis of these four basic constituents of fish muscle is often referred to as 'proximate analysis'. Elastin ("elastic")-Very elastic connective tissue that is not altered by the Collagen and elastin must be treated properly Collagen = Gelatin + Water-Moist heat cooking methods at . Slides: 22; Download presentation. 3. hamburger. When cool, tighten the bottle caps. CHEMICAL COMPOSITION OF MEAT ( kernel) AND NUT WATER OF MAJOR COCONUT (COCOS NUCIFERA L.) CULTIVARS AT COASTAL AREA OF PAKISTAN ABDUL HAMEED SOLANGI1 AND M. ZAFAR IQBAL2 1 Coastal Agricultural Research Station, SARC, PARC, Karachi, Pakistan 2 Department of Botany, University of Karachi, Karachi- 75270, Pakistan Abstract Three varieties of the coconut (Tall, Dwarf and Hybrid) were subjected to . Fatty acid compositions were different (P<0.05) with G silage having higher levels of C12:0, C14:0, C16:1cis-9, C18:3n-3 and total fatty acids whereas RC had higher levels . Type of meat used: if described as an X burger, the amount of X must be at least equal to the minimum required meat content. Coconut water is the liquid endosperm found in the cavity of the nut. Mix thoroughly it and allow to stand for 15 minutes until all the particles are thoroughly wetted. Beef, veal, pork, mutton, lamb, goat meat and poultry meat have specific legislation governing their labelling . The characteristic of water-holding capacity is not trivial. 3% 1.5-13 % What percent of meat is ASH? Dry matter (DM), total nitrogen, and pH was higher for the RC than the G silage and organic matter, water-soluble carbohydrate, fibre, DM digestibility, ammonia-N, vitamin E and acetic acid higher for the G silage (P<0.05). The Chemical Composition of Meat Animal muscle tissue includes water, amino acids, carbohydrates, minerals, vitamins, and flesh, but the edible parts are mainly its muscle tissue. A product labelled 'beef burger' must contain at least 62% beef and an 'economy beef burger' must contain at least 47% beef. Though many data on minor and trace elements in seawater ( Table) are available, the interpretation of these data is subject to some . Birds and rabbits only: 55%. Muscle contains 60% to 70% moisture, 10% to 20% protein, 2% to 22% fat, and 1% ash, depending on type and species. causing actin and myosin to combine into rigid actomyosin and lowering the meat's water-holding capacity,: 90 causing it to lose water ("weep"). A discussion about the nutritional composition of game meat, with specific focus on wild species harvested in Central and Mediterranean European countries has been conducted. 41%. On larger bones (such as the shanks of larger animals), it is easy to see the muscle groups in bundles (if cut on the cross-section) surrounded by collagen fibres and a much heavier connective tissue ( elastin Introduction. Name of product : 2. economy burger. CHEMICAL COMPOSITION OF MEAT ( kernel) AND NUT water OF MAJOR COCONUT (COCOS NUCIFERA L.) CULTIVARS AT COASTAL AREA OF PAKISTAN ABDUL HAMEED SOLANGI1 AND M. ZAFAR IQBAL2 1 Coastal Agricultural Research Station, SARC, PARC, Karachi, Pakistan 2 Department of Botany, University of Karachi, Karachi- 75270, Pakistan . Water Protein Fat Ash What percent of meat is WATER? Skeletal muscles contain approximately 75% water, 20% protein, 1-10% fat, and 1% glycogen.
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