From Starbounder - Starbound Wiki
More thorn than juice.
Thorn Juice is a tier 3 food which can be created through cooking. Cooking it will complete entry #132 in the cooking collection.
After cooking or looting Thorn Fruit for the first time players will automatically learn the cooking recipe for Thorn Juice.
Processing a Thorn Fruit into Thorn Juice raises its value by ~33.3%.
- Rampaging Koala: Added
- Upbeat Giraffe: Adjusted price