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Who first isolated citric acid?

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in Fermentation Technology by (72.1k points)
Who first isolated citric acid?

(a) Thomas Edison

(b) Carl Wilhelm

(c) Charles Darwin

(d) Francis Crick

This question was addressed to me during an online interview.

My question comes from Practical Benefits topic in chapter Practical Benefits of Fermentation of Fermentation Technology

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Correct choice is (b) Carl Wilhelm

The best explanation: Carl Wilhelm Scheele in 1784 first isolated citric acid from lemon juice. He crystallized citric acid from lemon juice and this method became the primary method for the production of citric acid.

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