Crossword Genius

What's in saliva to break up meal, say (7)

Ross

I believe the answer is:

amylase

'what's in saliva' is the definition.

'break up meal say' is the wordplay.
'break up' indicates an anagram.
'meal'+'say'='mealsay'
'mealsay' is an anagram of 'AMYLASE'.

'to' acts as a link.

I've seen this clue in The Guardian.
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