| 释义 | 
		Definition of tripeptide in English: tripeptidenoun trʌɪˈpɛptʌɪd Biochemistry Any of a group of peptides containing three amino-acid residues in the molecule.  Example sentencesExamples -  Glutathione is a tripeptide whose antioxidant activity is well recognized in different biological systems, and its level may reflect the cellular oxidative status.
 -  An important antioxidant is the tripeptide y-glutamyl-cysteine-glycine or reduced glutathione.
 -  The protein source of peptide-based formulas is hydrolyzed protein, dipeptides or tripeptides, or free amino acids.
 -  Under the right conditions, the condensation continues, with a dipeptide reacting with a third amino acid to form a tripeptide and releasing another water molecule, and so on.
 -  In our laboratory, we have started a series of investigations on various tripeptides to further characterize the physical basis of these interactions.
 
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