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Whey
 
 
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Whey or milk plasma is the liquid remaining after milk
Milk

Milk is an opaque white liquid produced by the mammary glands of female mammals . It provides the primary source of nutrition for newborn mammals before they are able to digestion other types of food....
 has been curd
Curd

Curds is a dairy product obtained by curdling milk with rennet or an edible acidic substance such as lemon juice or vinegar and then draining off the liquid portion ....
led and strained; it is a by-product
By-product

A by-product is a secondary or incidental product deriving from a manufacturing process, a chemical reaction or a biochemical pathway, and is not the primary product or service being produced....
 of the manufacture of cheese
Cheese

Cheese is a food consisting of proteins and fat from milk, usually the milk of cattle, Water Buffalo, goats, or sheep's milk. It is produced by Coagulation of the milk protein casein....
 or casein
Casein

Casein is the predominant phosphoprotein that accounts for nearly 80% of proteins in cow milk and cheese. Milk-clotting proteases act on the soluble portion of the caseins, K-Casein, thus originating an unstable micelle state that results in clot formation....
 and has several commercial uses. Sweet whey is manufactured during the making of rennet
Rennet

Rennet is a natural complex of enzymes produced in any mammalian stomach to digest the mother's milk, and is often used in the production of cheese....
 types of hard cheese like Cheddar or Swiss cheese. Acid whey (also known as sour whey) is obtained during the making of acid types of cheese such as cottage cheese
Cottage cheese

Cottage cheese is a cheese curd product with a mild flavor. It is drained, but not pressed so some whey remains. The curd is usually washed to remove acidity giving sweet curd cheese....
.

is a by-product of cheese production; it is one of the components which separates from milk after curdling, when rennet
Rennet

Rennet is a natural complex of enzymes produced in any mammalian stomach to digest the mother's milk, and is often used in the production of cheese....
 (often a by-product of veal
Veal

Veal is the meat of calves . Though veal can be produced from any calf, most veal comes from male calves of dairy cattle breeds. Compared to other meats, veal has a delicate taste and tender texture....
 production, which are in turn often fed on whey) or an edible acidic substance is added.

is used to produce ricotta, brown cheeses
Brunost

Brunost is a brown Norway whey cheese, The Norwegian name brunost means 'brown cheese'. In North America it is referred to and sold as gjetost, which is an older spelling of geitost that is no longer frequently used elsewhere....
, Messmör/Prim and many other products for human consumption.






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Whey or milk plasma is the liquid remaining after milk
Milk

Milk is an opaque white liquid produced by the mammary glands of female mammals . It provides the primary source of nutrition for newborn mammals before they are able to digestion other types of food....
 has been curd
Curd

Curds is a dairy product obtained by curdling milk with rennet or an edible acidic substance such as lemon juice or vinegar and then draining off the liquid portion ....
led and strained; it is a by-product
By-product

A by-product is a secondary or incidental product deriving from a manufacturing process, a chemical reaction or a biochemical pathway, and is not the primary product or service being produced....
 of the manufacture of cheese
Cheese

Cheese is a food consisting of proteins and fat from milk, usually the milk of cattle, Water Buffalo, goats, or sheep's milk. It is produced by Coagulation of the milk protein casein....
 or casein
Casein

Casein is the predominant phosphoprotein that accounts for nearly 80% of proteins in cow milk and cheese. Milk-clotting proteases act on the soluble portion of the caseins, K-Casein, thus originating an unstable micelle state that results in clot formation....
 and has several commercial uses. Sweet whey is manufactured during the making of rennet
Rennet

Rennet is a natural complex of enzymes produced in any mammalian stomach to digest the mother's milk, and is often used in the production of cheese....
 types of hard cheese like Cheddar or Swiss cheese. Acid whey (also known as sour whey) is obtained during the making of acid types of cheese such as cottage cheese
Cottage cheese

Cottage cheese is a cheese curd product with a mild flavor. It is drained, but not pressed so some whey remains. The curd is usually washed to remove acidity giving sweet curd cheese....
.

Production

Whey is a by-product of cheese production; it is one of the components which separates from milk after curdling, when rennet
Rennet

Rennet is a natural complex of enzymes produced in any mammalian stomach to digest the mother's milk, and is often used in the production of cheese....
 (often a by-product of veal
Veal

Veal is the meat of calves . Though veal can be produced from any calf, most veal comes from male calves of dairy cattle breeds. Compared to other meats, veal has a delicate taste and tender texture....
 production, which are in turn often fed on whey) or an edible acidic substance is added.

Uses

Whey is used to produce ricotta, brown cheeses
Brunost

Brunost is a brown Norway whey cheese, The Norwegian name brunost means 'brown cheese'. In North America it is referred to and sold as gjetost, which is an older spelling of geitost that is no longer frequently used elsewhere....
, Messmör/Prim and many other products for human consumption. It is also an additive in many processed foods, including breads, crackers and commercial pastry, and in animal feed
Animal feed

Animal feed may refer to:*Compound feed, commercial pelleted food produced in a feed mill and fed to domestic livestock*Fodder, food given to domestic livestock, including plants cut and carried to them...
. Whey proteins primarily consist of a-lactalbumin
Alpha-lactalbumin

Lactalbumin, alpha-, also known as LALBA, is a protein which in humans is encoded by the LALBA gene....
 and ß-lactoglobulin
Beta-lactoglobulin

?-lactoglobulin is the major whey protein of cow's milk , and is also present in many other mammalian species; a notable exception being humans....
. Depending on the method of manufacture, whey may also contain glycomacropeptides (GMP).

Whey protein
Whey protein

Whey protein is the collection of globular proteins that can be isolated from whey, a by-product of cheese manufactured from cow's milk. It is typically a mixture of beta-lactoglobulin , alpha-lactalbumin , and serum albumin , which are soluble in their native forms, independent of pH....
 (derived from whey) is often sold as a nutritional supplement. Such supplements are especially popular in the sport of bodybuilding
Bodybuilding

Bodybuilding is the process of maximizing muscle hypertrophy; an individual who engages in this activity is referred to as a bodybuilder. In competitive bodybuilding, bodybuilders display their physiques to a panel of judges, who assign points based on their aesthetic appearance....
. In Switzerland
Switzerland

Switzerland is a landlocked Swiss Alps country of roughly 7.7 million people in Western Europe with an area of 41,285 km?. Switzerland is a federal republic consisting of 26 states called Cantons of Switzerland....
, where cheese production is an important industry, whey is used as the basis for a carbonated soft drink
Soft drink

A soft drink is a beverage that does not contain alcohol. Carbonated soft drinks are commonly known as soda, soda pop, pop, coke or tonic in various parts of the United States, pop in Canada, fizzy drinks in the United Kingdom and Australia and sometimes minerals in Ireland....
 called Rivella
Rivella

Rivella is a soft drink from Switzerland, created by Robert Barth in 1952, which is produced from milk Whey, and therefore includes ingredients such as lactose, lactic acid and minerals....
.

Health

Liquid whey contains lactose
Lactose

Lactose is a sugar that is found most notably in milk. Lactose makes up around 2?8% of milk . The name comes from the Latin word for milk, plus the -ose ending used to name sugars....
, vitamin
Vitamin

A vitamin is an organic compound required as a nutrient in tiny amounts by an organism. A compound is called a vitamin when it cannot be biosynthesis in sufficient quantities by an organism, and must be obtained from the diet....
s, and mineral
Mineral

A mineral is a naturally occurring solid formed through Geology processes that has a characteristic chemical composition, a highly ordered atomic structure, and specific physical properties....
s along with traces of fat
Fat

Fats consist of a wide group of compounds that are generally soluble in organic solvents and largely insoluble in water. Chemistry, fats are generally ester of glycerol and fatty acids....
. Researchers at Lund University
Lund University

Lund University , located in Lund in southernmost Sweden, is one of Sweden's most prestigious universities and one of Scandinavia's largest institutions for education and research, frequently ranked among the world's top 100 universities....
 in Sweden
Sweden

Sweden , officially the Kingdom of Sweden , is a Nordic countries on the Scandinavian Peninsula in Northern Europe. Sweden has land borders with Norway to the west and Finland to the northeast, and it is connected to Denmark by the ?resund Bridge in the south....
 discovered that whey appears to stimulate insulin
Insulin

Insulin is a hormone with extensive effects on both metabolism and several other body systems . Insulin causes most of the body's cells to take up glucose from the blood , storing it as glycogen in the liver and muscle, and stops use of fat as an energy source....
 release. Writing in the American Journal of Clinical Nutrition, they also discovered that whey supplements can help regulate and reduce spikes in blood sugar
Blood sugar

Blood sugar concentration, or glucose level, refers to the amount of glucose present in a mammal's blood. Normally, the blood glucose level is maintained at a Reference_ranges_for_blood_tests#Electrolytes_and_Metabolites between about 4 and 6 mM ....
 levels among people with type 2 diabetes by increasing insulin secretion. However, like all products that result from the manufacture of cheese, whey can be a migraine
Migraine

Migraine is a neurology syndrome characterized by altered bodily perceptions, headaches, and nausea. Physiologically, the migraine headache is a neurological condition more common to women than to men....
 trigger. The presence of whey in processed foods can be particularly surprising because it is commonly added to products that do not normally contain cheese derivatives when made at home.

Often commercial whey protein shakes are consumed post-workout by individuals who are trying to gain muscle mass. Whey digests very rapidly and thus the amino acids enter the blood stream faster than other protein sources. This fast acting protein is beneficial in the post work-out "anabolic window" (0-45 minutes after training) because the muscle tissue is most receptive to insulin
Insulin

Insulin is a hormone with extensive effects on both metabolism and several other body systems . Insulin causes most of the body's cells to take up glucose from the blood , storing it as glycogen in the liver and muscle, and stops use of fat as an energy source....
 and nutrients in the blood. This is also the reason carbohydrates are recommended post workout; to replenish glycogen
Glycogen

Glycogen is a polysaccharide of glucose which functions as the secondary short term energy storage in animal cells. It is made primarily by the liver and the muscles, but can also be made by the brain and stomach....
 stores and boost insulin release as well.

Whey protein

Whey protein
Whey protein

Whey protein is the collection of globular proteins that can be isolated from whey, a by-product of cheese manufactured from cow's milk. It is typically a mixture of beta-lactoglobulin , alpha-lactalbumin , and serum albumin , which are soluble in their native forms, independent of pH....
 is the name for a collection of globular protein
Globular protein

Globular proteins, or spheroproteins are one of the two main protein classes, comprising sphere-like proteins that are more or less soluble in aqueous solution ....
s that can be isolated from massive whey. It is typically a mixture of globinstagers beta-lactoglobulin
Beta-lactoglobulin

?-lactoglobulin is the major whey protein of cow's milk , and is also present in many other mammalian species; a notable exception being humans....
 (~65%), alpha-lactalbumin
Alpha-lactalbumin

Lactalbumin, alpha-, also known as LALBA, is a protein which in humans is encoded by the LALBA gene....
 (~25%), and serum albumin
Serum albumin

Serum albumin, often referred to simply as albumin, is the most abundant plasma protein in humans and other mammals. Albumin is essential for maintaining the osmotic pressure needed for proper distribution of body fluids between intravascular compartments and body tissues....
 (~8%), which are soluble in their native culture forms, independent of pH
PH

pH is a measure of the Acid or Base of a solution. It is defined as the cologarithm of the Activity of dissolved hydrogen ions . Hydrogen ion activity coefficients cannot be measured experimentally, so they are based on theoretical calculations....
. Whey has the highest Biological Value
Biological Value

Biological value is a measure of the proportion of absorbed protein from a food which becomes incorporated into the proteins of the organism's body....
 (BV) of any known protein
Protein

Proteins are organic compounds made of amino acids arranged in a linear chain and joined together by peptide bonds between the carboxyl and amino groups of adjacent amino acid Residue ....
. Whey protein has an even higher bioavailability
Bioavailability

In pharmacology, bioavailability is used to describe the fraction of an administered dose of unchanged drug that reaches the systemic circulation, one of the principal pharmacokinetics properties of medication....
 than egg
Egg

Egg or Eggs may refer to the following:...
 white
Egg white

File:Chicken egg01 monovular.jpgEgg white is the common name for the clear liquid contained within an Egg . It is the cytoplasm of the egg, which until fertilization is a single Cell ....
 protein, which is considered the "gold standard" of protein, and has a bioavailability rating of 100. Bioavailability refers to how quickly a substance will be digested and absorbed through the villi in the small intestine
Small intestine

In vertebrates, including mammals, reptiles, birds, and bony fish, the small intestine is the part of the gastrointestinal tract following the stomach, and is where the vast majority of digestion takes place....
 and thus into the blood stream.

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