Food

Food - what you need to have, else you die because of thirst or/and hunger.

Red berry - restores thirst and hunger.

Blue berry - restores thirst and hunger.

Purple berry - restores thirst and hunger.

Shark meat - even more restores thirst and hunger.

Biscuit - restores only hunger.

Pirate Juice - restores only thirst.

Craftable food
You can craft some food, but note that you need researches for it.

Pirate lunch - 2 biscuits and 1 pirate juice - restores thirst and hunger.

Berry salad - 1 red berry, 1 blue berry, 1 purple berry and 1 wood - restores thirst and hunger.