Science Of Meat

 

Meat has exerted a crucial role in human evolution and is an important component of a healthy and well-balanced diet due to its nutritional richness.  Meat is a valuable source of high biological value protein, iron, vitamin B12 as well as other B complex vitamins, zinc, selenium and phosphorus. Moderation is advisable but meat has been shown to be an important component of a balanced diet.

Fat: It is typically accumulated between muscles and beneath the skin.
Muscles: Generally speaking, muscles that are used frequently need a long time to cook, such as chicken legs, but chicken breast cook quickly.
Connective Tissue: Cooking them takes longer. They turn into collagen over slow, low heat, giving meat its softness. Maintaining a stable temperature is crucial in order to avoid muscle tissue denaturation and connective tissue deterioration caused by proteins. 

COMPONENTS: 

Protein: There is no doubt about the importance of meat, particularly red meat, as a source of protein. The amount of protein in meat can, however, differ greatly. While protein content ranges from 12.3% in duck meat to 34.5% in chicken breast, the average is 22%.
Fat: Protein content The amount of fat in retail beef cuts, chicken and other meat products such offal and speciality meats like sausages, ham, etc. varies greatly. Range of fat content: 1–5 grams. Poultry meat's skin is presumably its primary source of fat, while seafood is its primary supply of omega 3. But up to 20% of the intake of long-chain omega-3 polynsaturated fatty acids can come from meat.

Minerals and vitamins: A great source of a lot of vitamins and minerals is meat. For every 100 grammes of red meat, around 25% of the necessary dietary intakes of riboflavin, niacin, vitamin B6, and pantothenic acid are met, and in the same quantity, over two thirds of the daily requirement (DR) of vitamin B12. When it comes to poultry, 100 g of chicken breast provides 56% of the daily requirement for niacin and 27% of the daily requirement for vitamin B6, whereas 100 g of turkey breast provides 31% of the daily requirement for niacin and 29% of the daily requirement for vitamin B6. Both provide six to eight percent of the daily need. Additionally, meat is among the finest foods for iron, zinc, selenium, and phosphorus. In a 100 g amount, beef lean cuts supply around 37% of the daily required selenium DR, 26% of the daily required zinc daily requirement , and 20% of the potassium daily requirement .

Meat is a good source of iron: 

Human health depends heavily on iron, and an iron deficit affects many  biological processes and

causes problems with a child's growth and development. 

Cooking: When meat is overcooked, it becomes dry and tough, and the proteins bind together to extract all of the moisture. Only a very small temperature range allows animal protein to be consumed. The type of meat being prepared will determine which portion of the animal is being cooked.
Meat's fatty acid composition and fat content can both be significantly impacted by cooking. Significant fat loss in a number of meat cuts that were pan-fried, grilled, or broiler-fried without additional fat. 

Because humans rarely eat raw meat, it is vital to take into account the influence of cooking processes on vitamin and trace element concentrations. According to certain research, cooking generally results in notable B vitamin losses. Several studies indicate that B12 and thiamin are among the B vitamins most negatively impacted, while riboflavin and niacin exhibit lesser declines. Two factors may be responsible for these losses: first, because B complex vitamins are water soluble, boiling may result in higher losses; second, because B vitamins are thermally unstable, stir-frying and underdone roasting may result in lower losses.

Brining: Marinating meat in a salt solution causes the salt to seep into the meat, greatly enhancing its flavour. Additionally, salt keeps the meat's muscle tissue from losing water.
Marinating: Aids in transferring flavour to the meat's exterior prior to cooking.
Defrosting: If you leave it too long at room temperature, more bacteria will grow. It is best to thaw food at a temperature of 4-5oC, which is slightly above freezing.
Advice: You may either place the meat in the normal section of the refrigerator and let it thaw for a few hours, or you can place it in a water bath (warm but not hot) or even ordinary tap water and cover it with a lid.

References: Pereira, P. M., & Vicente, A. F. (2013). Meat nutritional composition and nutritive role in the human diet. Meat science, 93(3), 586–592

Masala Lab (2021)