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Grapes contain a variety of amino acids, including:
Essential amino acids: These cannot be produced by the human body and must be obtained from the diet. Examples in grapes include:
Leucine
Isoleucine
Lysine
Methionine
Phenylalanine
Threonine
Valine
Non-essential amino acids: These can be synthesized by the body. Examples in grapes include:
Alanine
Aspartic acid
Glutamic acid
Glycine
Proline
Serine
Tyrosine
References:
[Amino Acid Content of Grapes](https://www.researchgate.net/publication/334388234_Amino_Acid_Content_of_Grapes)
[Amino Acid Composition of Grapes](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3261069/)