Crossword Genius

Fruity authoritarian stripped on Guernsey etc (6)

Ross

I believe the answer is:

citric

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'fruity' is the definition.
(I've seen this before)

I can't explain the rest of the clue.

Can you help me to learn more?

(Other definitions for citric that I've seen before include "Lemony" , "Fruity" , "Sort of acid" , "like a lemon" , "Acid, from lemons say" .)

I've seen this clue in The Guardian.
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