Sunday, November 1, 2009

Amino Acids

Amino acids are known as the building blocks of protein. In fact, apart from water, amino acids are the most abundant substance in the body, 70% of skin, 80% of muscle, and an amazing 90% of blood. There are 22 amino acids, which 8 are considered "essential". Essential amino acids is what our body requires however cannot synthesize them.


Essential Amino Acids

Tryptophan.................Lysine

Methionine..................Phenylalanine

Threonine....................Valine

Leucine........................Isoleucine

Two other amino acids, Histidine and Arginine, are essential only for children and possibly seniors. The adult body is able to synthesize them.

Protein is an indispensable nutrient required daily in amounts by everyone. Proteins are required for the growth and development, maintenance and repair of the human body. It's the principal foundation for bone, muscle, blood, connective tissue, organs, skin, hair and teeth. Proteins are also essential for making hormones. The brain itself is composed of one-third protein, and a deficiency can manifest itself in psychological and emotional symptoms. Also, protein deficiency can lead to physical problems like, chronic fatigue, muscle weakness and frequent illness because of compromised immunity.


Benefits

  • Repairs damaged cells


  • primary source of energy


  • controls processes related to metabolism


  • stimulates the immune system


  • regulates the pH levels


  • includes significant antioxidant properties and activities


  • guards against fatigue and depression


Sources

  • Beans, lentils


  • Shelled nuts and seeds


  • Peanut, or nut butter


  • Tofu


  • Eggs


  • Fish, shellfish, poultry, lean meat

  • Isolate whey protein powder

Adult and teens should consume 2-3 servings of protein daily. Children, 1-2 servings. Our body cannot store protein as it does fats and carbohydrates, so a regualr daily intake is neccessary. Atheletes, pregnant or nursing women, and children all have greater protein needs than the average active adult.

"A man may esteem himself happy when that which is his food is also his medicine."
-Henry David Thoreau