Isolation
The isolation of tryptophan was first reported by Frederick Hopkins in 1901 through hydrolysis of casein. From 600 grams of crude casein one obtains 4-8 grams of tryptophan.
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Famous quotes containing the word isolation:
“Only connect! That was the whole of her sermon. Only connect the prose and the passion, and both will be exalted, and human love will be seen at its height. Live in fragments no longer. Only connect, and the beast and the monk, robbed of the isolation that is life to either, will die.”
—E.M. (Edward Morgan)
“I am greatly pleased with the public, authentic isolation in which we two, you and I, now find ourselves. It is wholly in accord with our attitude and our principles.”
—Karl Marx (1818–1883)
“But, my dear, you cannot live in isolation from the human race, you know.”
—John Clifford, U.S. screenwriter, and Herk Harvey. Minister (Stan Levitt)