title: CHEMICAL COMPOSITION OF ENZYME-FRACTIONATED AGED HEART TISSUE.
mesh_terms: D000375:Aging; D000596:Amino Acids; D002498:Centrifugation; D002623:Chemistry Techniques, Analytical; D003956:Dialysis; D010450:Endopeptidases; D006321:Heart; D006651:Histocytochemistry; D006801:Humans; D008903:Minerals; D010196:Pancreatic Elastase; D010206:Papain; D010434:Pepsin A; D006435:Renal Dialysis; D012083:Renin; D014357:Trypsin
chemical_list: D000596:Amino Acids; D008903:Minerals; D010450:Endopeptidases; D010196:Pancreatic Elastase; D014357:Trypsin; D010206:Papain; D010434:Pepsin A; D012083:Renin
keywords: AGING; AMINO ACIDS; CENTRIFUGATION; CHEMISTRY, ANALYTICAL; DIALYSIS; HEART; HISTOCYTOCHEMISTRY; MINERALS; PANCREATOPEPTIDASE; PAPAIN; PEPSIN; PEPTIDE PEPTIDOHYDROLASES; RENIN; TRYPSIN