. "0.625"^^ . "citrulline"^^ . "14604286-n"^^ . . "114604286"^^ . . "an amino acid that does not occur in proteins but is an intermediate in the conversion of ornithine to arginine"@en-us . "0"^^ . . . . . . "113767984"@en-us . "citrulline"@en-us . . .