Using one complex action any one who eats the entire fruit will be cured of any poison currently affecting them. Also the consumer will heal 2k2 wounds.
The Golden Fruit is a fetish. Fetishes were small, magical items that were single-use. The Asahina family were the foremost creators of fetishes and nemuranai in the Empire. The Golden Fruit was a fetish which would cure any poison if the entire piece of fruit was eaten. In addition, it had a minor healing effect.