imino acid


Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

imino acid

[′im·ə‚nō ′as·əd]
(organic chemistry)
Organic acid in which the =NH group is attached to one or two carbons; for example, acetic acid, NH(CH2COOH)2.
References in periodicals archive ?
Gelatin with high imino acids (proline and hydroxyproline) has relatively high gel strength (Cho et al.
75 M NaOH for 2 days, compared with those of bovine and porcine gelatins Amino acids Residue/1,000 residues Goat Bovine Porcine gelatin gelatin * gelatin ** Aspartic acid/asparagine 45 44 54 Threonine 18 17 25 Serine 32 29 41 Glutamic acid/glutamine 73 74 81 Glycine 329 341 328 Alanine 110 115 114 Cysteine 1 0 0 Valine 20 21 18 Methionine 6 5 12 Isoleucine 11 11 9 Leucine 25 25 20 Tyrosine 3 1 2 Phenylalanine 13 12 14 Hydroxylysine 6 7 8 Lysine 28 26 22 Histidine 5 5 8 Arginine 49 48 45 Hydroxyproline 99 96 70 Proline 127 123 129 Total 1,000 1,000 1,000 Imino acids 226 219 199 * Jellouli et al.
A linear response up to 2 mmol/L has been demonstrated as well as a 10-fold increase in sensitivity compared with ninhydrin methods (11), with even greater sensitivity and higher linear responses for non-a-amino acids such as imino acids and (3-amino acids.