牛尿の化學的研究

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書誌事項

タイトル別名
  • Studies on Cow's Urine
  • ギュウ ニョウ ノ カガクテキ ケンキュウ 1
  • Part 1. On an Enol Compound and Brown Oil obtained from Cow's Urine
  • (第1報)牛尿より得た一エノール性化合物並に褐色油に就て

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説明

1. A crystal was extracted from cow's urine, which formula was to be C10H10O2 having an enol group in it from an experiment with active carbon used as the adsorbent. This substa-nce was obtained from the urine excreted by cows fed on green grass from spring to autumn, but not from the urine excreted by cows fed on ensilage during winter.<br> 2. A kind of oil was also extracted ffom cow's urine at the same time. This oil was apparently the cause of the peculiar odour of cow's urine, and p-cresol and phenol are identified as chief components.<br> 3. By the acetylation, and methylation of the substance mono-acetyl and mono-methyl derivatives were obtained. It was found that one oxygen atom of two in the the substance took part in forming an enol group.<br> 4. A spectrum curve of the substance wds obatined by Beckmann's spectrophotometer.

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