Casein protein Food sources

February 16, 2016
Protein Powder – there are so

Protein is one of the three major, or macro, nutrients. Unlike carbohydrates and fats (the other two types of macronutrents), proteins are comprised of nitrogen-containing groups called amino acids. There are about 20 different types of amino acids commonly found in foods. All of them are important for building and maintaining muscle, but 8 are vital. These are what's known as the Essential Amino Acids (EAAs). Contrary to what most athletes believe, there is no actual requirement for protein; the body simply has a requirement for the eight essentials.

The EAAs cannot be synthesized in any of your tissues, so they must be obtained through high protein foods. Lean meats, fish, poultry, eggs, milk, cheese, and soybeans are good food sources of protein. Powdered whey, casein, egg, and soy proteins offer the same amino acids as whole food sources in more concentrated doses – with lower levels of calories, fat, carbs, cholesterol, and other non-protein ingredients.

PROTEINS IN DISGUISE?

While not true protein powders in the traditional sense, these products provide more than enough protein to fill in for one or more of your daily protein shakes.

Meal Replacements:

Take a hefty dose of protein, add some carbohydrates and/or a little bit of fat, some vitamins, minerals and fiber, mix them all together, and you've got a meal replacement powder (MRP). If you're the type of person who gets too busy to eat, grab one of these. Just add a packet to a shaker cup full of water and agitate your way to a complete meal in under a minute.

Weight Gainers:

There are two basic types: traditional gainers and lean gainers, the main differences being the amounts calories and protein per serving. If you're a metabolic machine or you look like a beanpole, you'll need the 1, 000-plus calories of traditional weight gainer shake. Most will do just fine with the higher-protein lean gainer though.

Post Workout Recovery:

Moderate calorie, fast-acting protein and carbohydrate combinations specifically designed to be consumed immediately after workouts when nutrient needs are great and glycogen and muscle protein resynthesis are at their peak. Many post-workout formulas also contain supplemental ingredients like creatine, BCAAs, and glutamine to further aid the recovery and rebuilding process

Whey Proteins

Currently the undisputed king of proteins. Here's why: whey proteins are quickly and easily digested (hence the "fast-acting" description that they're often given), they are loaded with essential amino acids (EAAs) – including the three branched chain amino acids (BCAAs), and they contain subcomponents (microfractions) that appear to provide benefits above and beyond amino acids and elemental nitrogen. Whey is one of two major dairy proteins and accounts for about 20% of the protein in milk.

Casein Proteins

Comprising 80% of the protein in milk, casein is the dominant dairy protein. Oft referred to as a "slower-acting" or "time-released" protein, because they are digested and absorbed much more slowly than whey or soy proteins. Casein proteins are especially useful when taken at bedtime and during other prolonged periods without eating.

Milk Proteins

Milk proteins are pretty much what you'd expect: dried milk with most of the fat and carbohydrate removed. Like liquid moo juice, powdered milk proteins are about 20% whey protein and 80% casein protein, so utilization is somewhere in between the two.

Egg Proteins

Ask any dietitian, "What's the best source of protein?" and eggs will probably top the list. In fact, most nutrition textbooks still refer to eggs as the "gold standard" for protein quality. With loads of essential amino acids (EAAs) and some of the highest scores in all measures of protein quality, we're not going to argue. Naturally dairy-free, eggs are a great alternative to whey, casein, and whole milk proteins for those with milk allergies or severe lactose intolerance.

Soy Proteins

Vegetarian? Don't do well with dairy or egg? Go green. Like their animal counterparts, soy proteins contain all of the required amino acids in sufficient amounts to support muscle growth and development.

Blended Proteins

If you can only afford one type of protein, this is probably the type that you should go with. Combining faster-, intermediate-, and slower-protein sources in one convenient place, blended proteins give you more sustained protein digestion than single-source proteins like whey, casein, egg, or soy.

Source: www.proteinreport.com
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