Definition of tryptophan in English:

tryptophan

noun ˈtrɪptəfanˈtrɪptəˌfæn

mass nounBiochemistry

An amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
〔生化〕色氨酸
An indole derivative; chemical formula: C₈H₆NCH₂CH(NH₂)COOH
Example sentencesExamples
- Peptides are named by the position of tryptophan in the amino acid sequence.
- For example, eggs are high in alanine and methionine; whey protein is high in tryptophan and threonine.
- Negative dietary changes are related to the deficiency of maize in the amino acids tryptophan and lysine.
- Key essential amino acids are valine, leucine, isoleucine, tryptophan and methionine.
- Two known enzymes catabolize the essential amino acid tryptophan in mammals.

Origin

Late 19th century: from tryptic 'relating to trypsin' + Greek phainein 'appear'.

Definition of tryptophan in US English:

tryptophan

nounˈtriptəˌfanˈtrɪptəˌfæn

Biochemistry

An amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
〔生化〕色氨酸
An indole derivative; chemical formula: C₈H₆NCH₂CH(NH₂)COOH
Example sentencesExamples
- Negative dietary changes are related to the deficiency of maize in the amino acids tryptophan and lysine.
- Peptides are named by the position of tryptophan in the amino acid sequence.
- For example, eggs are high in alanine and methionine; whey protein is high in tryptophan and threonine.
- Two known enzymes catabolize the essential amino acid tryptophan in mammals.
- Key essential amino acids are valine, leucine, isoleucine, tryptophan and methionine.

Origin

Late 19th century: from tryptic ‘relating to trypsin’ + Greek phainein ‘appear’.

单词	tryptophan
释义	Definition of tryptophan in English: tryptophan noun ˈtrɪptəfanˈtrɪptəˌfæn mass nounBiochemistry An amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates. 〔生化〕色氨酸 An indole derivative; chemical formula: C₈H₆NCH₂CH(NH₂)COOH Example sentencesExamples Peptides are named by the position of tryptophan in the amino acid sequence. For example, eggs are high in alanine and methionine; whey protein is high in tryptophan and threonine. Negative dietary changes are related to the deficiency of maize in the amino acids tryptophan and lysine. Key essential amino acids are valine, leucine, isoleucine, tryptophan and methionine. Two known enzymes catabolize the essential amino acid tryptophan in mammals. Origin Late 19th century: from tryptic 'relating to trypsin' + Greek phainein 'appear'. Definition of tryptophan in US English: tryptophan nounˈtriptəˌfanˈtrɪptəˌfæn Biochemistry An amino acid which is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates. 〔生化〕色氨酸 An indole derivative; chemical formula: C₈H₆NCH₂CH(NH₂)COOH Example sentencesExamples Negative dietary changes are related to the deficiency of maize in the amino acids tryptophan and lysine. Peptides are named by the position of tryptophan in the amino acid sequence. For example, eggs are high in alanine and methionine; whey protein is high in tryptophan and threonine. Two known enzymes catabolize the essential amino acid tryptophan in mammals. Key essential amino acids are valine, leucine, isoleucine, tryptophan and methionine. Origin Late 19th century: from tryptic ‘relating to trypsin’ + Greek phainein ‘appear’.
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