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the claim
The Swedish chemist Carl Wilhelm Scheele first isolated crystalline citric acid from lemon juice in 1784.
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SUPPORTED
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6 sources for · 0 against
Is it true that the Swedish chemist Carl Wilhelm Scheele first isolated crystalline citric acid from lemon juice in 1784?
Yes. Multiple reliable historical references confirm that Swedish chemist Carl Wilhelm Scheele first isolated crystalline citric acid from lemon juice in 1784.
Verdict: SUPPORTED · 6 sources for, 0 against · Last checked
How claims like this are judged
Judged against reference works: claims of this kind are settled by the historical reference record, not journal abstracts.
Evidence for · 6
States crystalline citric acid was first isolated from lemon juice in 1784 by Carl Wilhelm Scheele.
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LibreTexts: LibreTexts: 15.00%3A Prelude to Organic Acids and Bases and Some of Their Derivatives. (n.d.). LibreTexts. https://chem.libretexts.org/Bookshelves/Introductory_Chemistry/The_Basics_of_General_Organic_and_Biological_Chemistry_(Ball_et_al.)/15%3A_Organic_Acids_and_Bases_and_Some_of_Their_Derivatives/15.00%3A_Prelude_to_Organic_Acids_and_Bases_and_Some_of_Their_Derivatives
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More for · 5
Confirms citric acid was first isolated by Carl Scheele in 1784.
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Semantic Scholar peS2o: Palm dates as a source for isolation of Aspergillus niger to produce citric acid by submerged fermentation; kinetics study. (n.d.). Semantic Scholar peS2o. https://iopscience.iop.org/article/10.1088/1757-899X/928/2/022072/pdf
Mentions the first crystallization of citric acid by Swedish chemist Carl Wilhelm Scheele in 1784.
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Wikibooks: Wikibooks: Structural Biochemistry/Organic Chemistry/Organic Functional Group/Carboxyl. (n.d.). Wikibooks. https://en.wikibooks.org/wiki/Structural_Biochemistry/Organic_Chemistry/Organic_Functional_Group/Carboxyl
States citric acid was first isolated in 1784 by chemist Carl Wilhelm Scheele, who crystallized it from lemon juice.
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Wikipedia: Wikipedia: Citric acid. (n.d.). Wikipedia. https://en.wikipedia.org/wiki/Citric_acid
Mentions Carl Wilhelm Scheele extracting citric acid from lemons (though misdating to 1782).
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Simple English Wikipedia: Simple English Wikipedia: Citric acid. (n.d.). Simple English Wikipedia. https://simple.wikipedia.org/wiki/Citric_acid
States citric acid was first obtained in the solid state by Karl Wilhelm Scheele in 1784 from lemon juice.
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Wikisource: Wikisource: 1911 Encyclopædia Britannica/Citric Acid. (n.d.). Wikisource. https://en.wikisource.org/wiki/1911_Encyclopædia_Britannica/Citric_Acid
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