Crossword Genius

Mentioned a noted new diet (5)

Ross

I believe the answer is:

cited

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'mentioned' is the definition.
('cite' can be a synonym of 'mention')

'a noted new diet' is the wordplay.
I cannot really see how this works, but
an anagram of 'diet' is 'ited' which is present in the answer.
A single letter 'c' remains which might be clued in a way I don't understand.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for cited that I've seen before include "Called for" , "Made reference to -- edict (anag)" , "Quoted or mentioned as example" , "Summoned" , "Commended" .)

I've seen this clue in the Evening Standard.
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