. The Biochemical journal, 1917. Biochemistry. Chart JV. Curves 1-4. Growth of rats fed on basal diet + 6 % alcohol-extracted dried yeast. Curves 5-7. Basal diet + 6% ether extracted yeast. Curves 8-11. Basal diet + alcohol extract equivalent to 6 % of dried yeast. Y marks birth of young. It may be mentioned here that dried yeast contains but negligible traces of the fat-soluble growth promoting accessory substance. Extraction of "marmite" by grinding up with absolute alcohol and repeatedly shaking removes but a small proportion of the accessory factor (Chart V), but when extracted w
. The Biochemical journal, 1917. Biochemistry. Chart JV. Curves 1-4. Growth of rats fed on basal diet + 6 % alcohol-extracted dried yeast. Curves 5-7. Basal diet + 6% ether extracted yeast. Curves 8-11. Basal diet + alcohol extract equivalent to 6 % of dried yeast. Y marks birth of young. It may be mentioned here that dried yeast contains but negligible traces of the fat-soluble growth promoting accessory substance. Extraction of "marmite" by grinding up with absolute alcohol and repeatedly shaking removes but a small proportion of the accessory factor (Chart V), but when extracted with a more dilute alcohol (70 %) the proportion that goes into solution is greatly increased. 220T. Chart V. Curves 1-4. Crowth of rats fed on basal diet + 6 % alcohol-extracted "; Curves 5-7. Ditto on basal diet -f 6 % "marmite" extracted by 70 % alcohol. Curves 8-11. Ditto fed on basal diet + alcohol extract equivalent to 6 % "; Y indicates birth of young. All were Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Biochemical Society (Great Britain); University of Liverpool. Biochemical Dept. London [etc. ] Cambridge University Press
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