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Essential amino acid

Index Essential amino acid

An essential amino acid, or indispensable amino acid, is an amino acid that cannot be synthesized ''de novo'' (from scratch) by the organism, and thus must be supplied in its diet. [1]

64 relations: Alanine, Amino acid, Arginine, Aromaticity, Asparagine, Aspartic acid, Biological value, Casein, Circulation (journal), Citrulline, Complete protein, Cysteine, De novo synthesis, Dietary Reference Intake, Edible protein per unit area of land, Essential fatty acid, Essential gene, Eukaryote, Feed conversion ratio, Florida State University, Glucogenic amino acid, Glutamic acid, Glutamine, Glycine, Histidine, Homocysteine, Isoleucine, John A. McDougall, Ketogenic amino acid, Kwashiorkor, Leucine, Low-protein diet, Lysine, Maize, Marasmus, Methionine, National Academy of Medicine, Net protein utilization, Nitrogen balance, Nutrient, Ornithine, Orthomolecular medicine, Phenylalanine, Phytoplankton, Plant, Proline, Protein Digestibility Corrected Amino Acid Score, Protein efficiency ratio, Protein–energy malnutrition, Proteinogenic amino acid, ..., Pyrrolysine, Selenocysteine, Serine, Sulfur, Threonine, Tryptophan, Tyrosine, United States Department of Agriculture, Urea cycle, Valine, Virginia Tech, William Cumming Rose, World Health Organization, Zein. Expand index (14 more) »

Alanine

Alanine (symbol Ala or A) is an α-amino acid that is used in the biosynthesis of proteins.

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Amino acid

Amino acids are organic compounds containing amine (-NH2) and carboxyl (-COOH) functional groups, along with a side chain (R group) specific to each amino acid.

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Arginine

Arginine (symbol Arg or R) is an α-amino acid that is used in the biosynthesis of proteins.

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Aromaticity

In organic chemistry, the term aromaticity is used to describe a cyclic (ring-shaped), planar (flat) molecule with a ring of resonance bonds that exhibits more stability than other geometric or connective arrangements with the same set of atoms.

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Asparagine

Asparagine (symbol Asn or N), is an α-amino acid that is used in the biosynthesis of proteins.

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Aspartic acid

Aspartic acid (symbol Asp or D; salts known as aspartates), is an α-amino acid that is used in the biosynthesis of proteins.

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Biological value

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

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Casein

Casein ("kay-seen", from Latin caseus, "cheese") is a family of related phosphoproteins (αS1, αS2, β, κ).

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Circulation (journal)

Circulation is a scientific journal published by Lippincott Williams & Wilkins for the American Heart Association.

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Citrulline

The organic compound citrulline is an α-amino acid.

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Complete protein

A complete protein (or whole protein) is a source of protein that contains an adequate proportion of all nine of the essential amino acids necessary for the dietary needs of an organism.

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Cysteine

Cysteine (symbol Cys or C) is a semi-essential proteinogenic amino acid with the formula HO2CCH(NH2)CH2SH.

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De novo synthesis

De novo synthesis refers to the synthesis of complex molecules from simple molecules such as sugars or amino acids, as opposed to recycling after partial degradation.

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Dietary Reference Intake

The Dietary Reference Intake (DRI) is a system of nutrition recommendations from the Institute of Medicine (IOM) of the National Academies (United States).

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Edible protein per unit area of land

Edible protein per unit area of land is a measure of agricultural productivity.

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Essential fatty acid

Essential fatty acids, or EFAs, are fatty acids that humans and other animals must ingest because the body requires them for good health but cannot synthesize them.

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Essential gene

Essential genes are those genes of an organism that are thought to be critical for its survival.

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Eukaryote

Eukaryotes are organisms whose cells have a nucleus enclosed within membranes, unlike Prokaryotes (Bacteria and other Archaea).

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Feed conversion ratio

In animal husbandry, feed conversion ratio (FCR) or feed conversion rate is a ratio or rate measuring of the efficiency with which the bodies of livestock convert animal feed into the desired output.

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Florida State University

Florida State University (Florida State or FSU) is a public space-grant and sea-grant research university with its primary campus on a campus in Tallahassee, Florida.

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Glucogenic amino acid

A glucogenic amino acid is an amino acid that can be converted into glucose through gluconeogenesis.

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Glutamic acid

Glutamic acid (symbol Glu or E) is an α-amino acid with formula.

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Glutamine

Glutamine (symbol Gln or Q) is an α-amino acid that is used in the biosynthesis of proteins.

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Glycine

Glycine (symbol Gly or G) is the amino acid that has a single hydrogen atom as its side chain.

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Histidine

Histidine (symbol His or H) is an α-amino acid that is used in the biosynthesis of proteins.

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Homocysteine

Homocysteine is a non-proteinogenic α-amino acid.

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Isoleucine

Isoleucine (symbol Ile or I) is an α-amino acid that is used in the biosynthesis of proteins.

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John A. McDougall

John A. McDougall (born May 17, 1947) is an American physician and author who is the co-founder, chairman, and sole board member of San Francisco–based Dr.

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Ketogenic amino acid

A ketogenic amino acid is an amino acid that can be degraded directly into acetyl-CoA, which is the precursor of ketone bodies.

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Kwashiorkor

Kwashiorkor is a form of severe protein malnutrition characterized by edema, and an enlarged liver with fatty infiltrates.

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Leucine

Leucine (symbol Leu or L) is an essential amino acid that is used in the biosynthesis of proteins.

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Low-protein diet

A low-protein diet is a diet in which people reduce their intake of protein.

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Lysine

Lysine (symbol Lys or K) is an α-amino acid that is used in the biosynthesis of proteins.

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Maize

Maize (Zea mays subsp. mays, from maíz after Taíno mahiz), also known as corn, is a cereal grain first domesticated by indigenous peoples in southern Mexico about 10,000 years ago.

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Marasmus

Marasmus is a form of severe malnutrition characterized by energy deficiency.

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Methionine

Methionine (symbol Met or M) is an essential amino acid in humans.

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National Academy of Medicine

The National Academy of Medicine (NAM), formerly called the Institute of Medicine (IoM), is an American nonprofit, non-governmental organization.

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Net protein utilization

The net protein utilization, or NPU, is the ratio of amino acid converted to proteins to the ratio of amino acids supplied.

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Nitrogen balance

Nitrogen balance is a measure of nitrogen input minus nitrogen output.

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Nutrient

A nutrient is a substance used by an organism to survive, grow, and reproduce.

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Ornithine

Ornithine is a non-proteinogenic amino acid that plays a role in the urea cycle.

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Orthomolecular medicine

Orthomolecular medicine, a form of alternative medicine, aims to maintain human health through nutritional supplementation.

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Phenylalanine

Phenylalanine (symbol Phe or F) is an α-amino acid with the formula.

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Phytoplankton

Phytoplankton are the autotrophic (self-feeding) components of the plankton community and a key part of oceans, seas and freshwater basin ecosystems.

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Plant

Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.

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Proline

Proline (symbol Pro or P) is a proteinogenic amino acid that is used in the biosynthesis of proteins.

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Protein Digestibility Corrected Amino Acid Score

Protein digestibility-corrected amino acid score (PDCAAS) is a method of evaluating the quality of a protein based on both the amino acid requirements of humans and their ability to digest it.

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Protein efficiency ratio

Protein efficiency ratio (PER) is based on the weight gain of a test subject divided by its intake of a particular food protein during the test period.

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Protein–energy malnutrition

Protein–energy malnutrition (PEM) refers to a form of malnutrition which is defined as a range of pathological conditions arising from coincident lack of protein and/or energy in varying proportions.The condition vary in forms ranging from mild through moderate to severe degrees.

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Proteinogenic amino acid

Proteinogenic amino acids are amino acids that are incorporated biosynthetically into proteins during translation.

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Pyrrolysine

Pyrrolysine (symbol Pyl or O; encoded by the 'amber' stop codon UAG) is an ɑ-amino acid that is used in the biosynthesis of proteins in some methanogenic archaea and bacteria; it is not present in humans.

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Selenocysteine

Selenocysteine (symbol Sec or U, in older publications also as Se-Cys) is the 21st proteinogenic amino acid.

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Serine

Serine (symbol Ser or S) is an ɑ-amino acid that is used in the biosynthesis of proteins.

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Sulfur

Sulfur or sulphur is a chemical element with symbol S and atomic number 16.

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Threonine

Threonine (symbol Thr or T) is an amino acid that is used in the biosynthesis of proteins.

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Tryptophan

Tryptophan (symbol Trp or W) is an α-amino acid that is used in the biosynthesis of proteins.

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Tyrosine

Tyrosine (symbol Tyr or Y) or 4-hydroxyphenylalanine is one of the 20 standard amino acids that are used by cells to synthesize proteins.

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United States Department of Agriculture

The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal laws related to farming, forestry, and food.

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Urea cycle

The urea cycle (also known as the ornithine cycle) is a cycle of biochemical reactions that produces urea ((NH2)2CO) from ammonia (NH3).

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Valine

Valine (symbol Val or V) is an α-amino acid that is used in the biosynthesis of proteins.

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Virginia Tech

Virginia Polytechnic Institute and State University, commonly known as Virginia Tech, and traditionally known as VPI since 1896, is an American public, land-grant, research university with a main campus in Blacksburg, Virginia, educational facilities in six regions statewide, and a study-abroad site in Lugano, Switzerland.

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William Cumming Rose

William Cumming Rose (April 4, 1887 – September 25, 1985) was an American biochemist and nutritionist.

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World Health Organization

The World Health Organization (WHO; French: Organisation mondiale de la santé) is a specialized agency of the United Nations that is concerned with international public health.

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Zein

Zein is a class of prolamine protein found in maize (corn).

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Amino acid profile, Amino acids, essential, Complementary protein, Essential aa, Essential amino acids, Essential aminoacid, Essential aminoacids, Essential protein, Limiting amino acid, Non-essential amino acid, Semi Essential amino acid.

References

[1] https://en.wikipedia.org/wiki/Essential_amino_acid

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