The avocado stone stops the flesh turning brown

A recipe from cooking-ez.com

Step by step recipe

1	A puree is made with an avocado cut into pieces and blended.
2	The purée is divided between 3 ramekins: on the right plain, in the centre with the stone, and on the left with a pinch of vitamin C.
3	A few hours later...
4	Unfortunately the stone has had no effect.
5	The vitamin C, on the other hand, has acted as an effective anti-oxidant.

Remarks

False: So there is no point leaving the avocado stone in the prepared dish. Vitamin C, and so the lemon juice added to guacamole is much more effective.

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