Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . into which freezing mixture is pumped and from which it flows through thecondenser, B; C, flask from which the esters are distilled, the distillate being collected in D;E, a Dewar flask containing liquid air serving as a cooler for condensing tube F; G and G,tubes leading to the Geryck pump by which the vacuum is maintained; /, tube leading to aMcLeod gauge (not shown in figure); J, a bath containing freezing mixture in which thereceiver I) is immer
Practical physiological chemistry; a book designed for use in courses in practical physiological chemistry in schools of medicine and of science . into which freezing mixture is pumped and from which it flows through thecondenser, B; C, flask from which the esters are distilled, the distillate being collected in D;E, a Dewar flask containing liquid air serving as a cooler for condensing tube F; G and G,tubes leading to the Geryck pump by which the vacuum is maintained; /, tube leading to aMcLeod gauge (not shown in figure); J, a bath containing freezing mixture in which thereceiver I) is immersed; A, a bath of water during the first part of the distillation and ofoil during the last part of the process; 1-5, stop cocks which permit the cutting out ofdifferent parts of the apparatus as the procedure demands. acute phosphorus poisoning, tyrosine has been found in the crystals are shown in Fig. 25, page 76. Cystine, C6Hio04NoS2.^Friedmann has shown cystine to bea-diamino-^-dithiolactyl acid and to possess the following structuralformula: 76 PHYSIOLOGICAL CHEMISTRY CH2 ? S—S • CH2 I I CHNH2 CHNH,. I I COOH COOH. Fig. 25.—Tyrosine. Cystine is the principal sulphur-containing body obtained from thedecomposition of protein substances. It is obtained in greatest amountas a decomposition product of keratin-containing tissues as horn, hoof,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbiochem, bookyear1916
