VOL. 12 (1953) PRECIPITABILITY OF CELL CONSTITUENTS AND MELABOLITES 



267 



DATA 

 THORIUM* 



Na or K salts 



Precipitate 



Remarks 



Palmitic acid 

 Stearic acid 

 Oleic acid 

 Malonic acid 

 Malic acid 

 Fumaric acid 

 Itaconic acid 

 Oxaloacetic acid 

 a-Ketoglutaric acid 

 Citric acid 

 Isocitric acid 

 Aconitic acid 

 Tartaric acid 

 Saccharic acid 

 Menthol glucuronide 

 Pectic acid 

 Benzoic acid 

 Mandelic acid 

 Cinnamic acid 

 Gallic acid 

 Tannic acid 

 Cholic acid 

 Desoxycholic acid 

 Glycocholic acid 

 Taurocholic acid 

 Fructose-6-phosphate 

 Fructose-i,6-diphosphate 

 Glycerophosphoric acid 



Phosphoglyceric acid 

 Phytic acid 

 Guanjdic acid 



Adenosine-3-phosphoric acid 

 Adenosine-5-phosphoric acid 

 Adenosinediphosphoric acid 

 Adenosinetriphosphoric acid 

 Ribonucleic acid 

 Desoxyribonucleic acid 



+ only slightly s. on warming in NH^ citrate 



+ 



+ s. in excess of malonate 



+ s. in excess of malate 



4- 



+ 



I 

 + 



-h 



_L 



I 



+ 

 + 



+ 



+ 



+ 



+ 



+ 



+ 

 slight ppt. 



+ 



I 



+ 

 + 

 + 

 + 

 + 

 + 

 + 



ins. in excess of ketoglutarate 



stiff jelly 



ins. in excess of benzoate 



s. in excess of gallate 



ins. in excess of tannate 



almost ins. in excess of cholate 



s. in excess of desoxycholate 



ppt. resinous, s. in excess of Th(N03)4 sol. 



Ba salt used 



Mg salt used 



ppt. increases on addition of Na-acetate, remains 



incomplete 



ppt. only on warming 



ins. in excess of phytate 



s. in excess of adenosine-3-phosphate 



s. in excess of adenosine-5-phosphate 



s. in excess of Th(N02)4 



s. in excess of ribonucleate on warming 



slightly s. in excess of ribonucleate on warming 



s. in excess of desoxyribonucleate 



A mino acids or sails 



Precipitate 



Remarks 



Na hippurate 



Tyrosine 



Leucyltyrosine 



Glycyltyrosine 



Tryptophan 



Acetyltryptophan 



Arginine HCl 



Lysine HCl 



Histidine 



Na Aspartate 



Asparagine 



Na acid glutamate 



Cysteine Na 



Methionine 



Glutathione Na 



Witte-peptone 



Silk peptone 



+ slightly s. in excess of hippurate 



+ 



+ 



slightly s. in excess of aspartate 



s. in excess of glutamate 



s. in excess of Th(N03)4 



* used as M/io solutions of Th(N03)4. ** used as M/io or M/ioo solutions. 



Almost all the precipitates are soluble in solutions of triammonium- or trisodium citrate. 



17 



