On the Importance of Tryptophan and Histidine

On the Importance of Tryptophane and Histidine Work of Fontes and ThivoUe 

From the peptide character of the active material of Dakin and West, and of fraction F of SubbaRow and associates and their evidence for the importance of tyrosine (fraction A), and from the observations of Laland and Klem that amino-acids are among the products of hydrolysis, it ivould appear that amino acids are of importance in the problem of pernicious 

TABU Minced Uvci EXIX pig liver Pressed at SM stmospherM pressure juioe Treated with 98% ethyl alcohol to give a 70% alcohol ednient Dilute HiSO, to pH 5 Boiled for i hour 

Pnieipitate (proteins) Filtrate 1 Concentrated in vaeuo to a sirup 1 Extracted with triehlorethylene 

Extract (lipoids) Syrmy residue 1 TMcen up in 8 % alcohol 

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