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单词 amino acid
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amino acid

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amino acid

(əmiːnoʊ æsɪd)
Word forms: plural amino acids
countable noun [usually plural]
Amino acids are substances containing nitrogen and hydrogen and which are found in proteins. Amino acids occur naturally in the body.

amino acid in British English

noun
any of a group of organic compounds containing one or more amino groups, -NH2, and one or more carboxyl groups, -COOH. The alpha-amino acids RCH(NH2)COOH (where R is either hydrogen or an organic group) are the component molecules of proteins; some can be synthesized in the body (nonessential amino acids) and others cannot and are thus essential components of the diet (essential amino acids)

amino acid in American English

1. 
any of a large group of organic acids containing a carboxyl group, COOH, and an aminogroup, NH2
2. 
any of the 25 amino acids that link together into polypeptide chains to form proteins that are necessary for all life: in general, they are water-soluble, crystalline, amphoteric electrolytes having mirror-image isomeric forms with right and left optical activity: ten of these (essential amino acids) cannot be synthesized by the human body and must be consumed

amino acid in the Pharmaceutical Industry

(əminoʊ æsɪd)
Word forms: (regular plural) amino acids
noun
(Pharmaceutical: Ingredients)
Amino acids are substances containing nitrogen and hydrogen that are found in proteins.
Amino acids are often referred to as the building blocks of proteins.
Proteins are made of amino acids, which contain carbon, hydrogen, oxygen and nitrogen.
Amino acids are substances containing nitrogen and hydrogen that are found in proteins.

Examples of 'amino acid' in a sentence
amino acid

When you digest a protein, essential amino acids are absorbed.
Times, Sunday Times (2017)
It contains an amino acid that converts into a chemical called serotonin and, apparently, an imbalance can affect your mood and sleep.
The Sun (2016)
It contains amino acids and organic compounds that are extremely important to science.
Times, Sunday Times (2012)
In other circumstances it is wise to know how one can obtain these amino acids from diet.
Holford, Patrick The Family Nutrition Workbook (1988)
These are called the essential amino acids.
Chapman, C. & Horsley, M. & Small, E. Technology Basic Facts (1990)
Of little value as sources of protein or essential amino acids.
Mayes, Adrienne The Dictionary of Nutritional Health (1986)
The process of substituting one amino acid for another in a protein is not an instantaneous one.
Wills, Christopher The Runaway Brain: the Evolution of Human Uniqueness (1993)
These amino acids are the building blocks of protein.
Holford, Patrick The Family Nutrition Workbook (1988)
These amino acids are called the limiting amino acids.
Holford, Patrick The Family Nutrition Workbook (1988)
The naturally occurring amino acid boosts serotonin to establish a healthy sleep pattern.
The Sun (2016)
They are loaded with lean proteins that the body converts to amino acids that can be easily converted into muscle.
Times, Sunday Times (2013)
What are its component amino acids?
Times, Sunday Times (2010)
So-called "first-class" proteins contain all the essential amino acids in the right balance.
MacIntyre, Anne M. E. Post-Viral Fatigue Syndrome - How To Live With It (1989)
Before this it was not known whether the disease was caused by one wrong amino acid or by a chain of wrong amino acids.
Times, Sunday Times (2006)
Eight of these amino acids are called essential amino acids, because we must get them from our diet.
Holford, Patrick The Family Nutrition Workbook (1988)
It contains antioxidants and minerals from the apples, plus healthy enzymes and amino acids formed during the fermentation process.
The Sun (2016)
The chemical reacts to the amino acids and other components of oils and sweat secreted from the skin's pores.
Times, Sunday Times (2008)
A food which lacks one or more of the essential amino acids is known as a low biological value protein.
Chapman, C. & Horsley, M. & Small, E. Technology Basic Facts (1990)
A food which contains all the essential amino acids in the correct proportions is known as a high biological value protein.
Chapman, C. & Horsley, M. & Small, E. Technology Basic Facts (1990)
What we really need are the eight or nine indispensable or essential amino acids, which are the "building blocks" of protein.
Kowalski, Robert E The 8-Week Cholesterol Cure (1990)
Though not essential in the diet because the body can make them itself, the otheramino acids have essential roles in the body.
Holford, Patrick The Family Nutrition Workbook (1988)
Not only could one amino acid be substituted for another in the course of evolution, but sometimes amino acids could be lost or gained.
Wills, Christopher The Runaway Brain: the Evolution of Human Uniqueness (1993)
It's full of amino acids and collagen, as well as minerals that nourish your cells and reduce inflammation.
Times, Sunday Times (2014)
Some amino acids can be made in our bodies; others must be supplied in food: these are called essential amino acids.
MacIntyre, Anne M. E. Post-Viral Fatigue Syndrome - How To Live With It (1989)
The essential amino acids During the course of evolution, mankind lost the ability to make some amino acids so they must be supplied from diet.
Holford, Patrick The Family Nutrition Workbook (1988)

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amino acid

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In other languages
amino acid

British English: amino acid NOUN
Amino acids are substances containing nitrogen and hydrogen and which are found in proteins.
  • American English: amino acid
  • Brazilian Portuguese: aminoácido
  • Chinese: 氨基酸
  • European Spanish: amino ácido
  • French: acide aminé
  • German: Aminosäure
  • Italian: amminoacido
  • Japanese: アミノ酸
  • Korean: 아미노산
  • European Portuguese: aminoácido
  • Latin American Spanish: amino ácido
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更新时间：2025/1/24 14:45:20