Crossword Genius

Seed from African tree EU hasn't regulated (4,3)

Ross

I believe the answer is:

shea nut

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'seed from african tree' is the definition.
I know nothing about this answer so I can't judge whether it can be defined by this definition.

'eu hasn't regulated' is the wordplay.
'regulated' indicates an anagram.
'eu'+'hasnt'='euhasnt'
'euhasnt' is an anagram of 'SHEA-NUT'.

Can you help me to learn more?

(Another definition for shea nut that I've seen is " West African source of butter".)

I've seen this clue in The Times.
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