Today's Daily Riddle

A king has 1,000 bottles of wine. An assassin poisons exactly one bottle. The poison is extremely deadly and has no taste or smell, but it takes exactly 24 hours to take effect. The king wants to find the poisoned bottle before a royal banquet in 24 hours. He has a group of prisoners whom he can use as taste testers. What is the minimum number of prisoners required to identify the single poisoned bottle within 24 hours?