UnScramble this Word: f u l d b e f?

Questions

What is made by heating carbon plasma to 20,000 degrees and condensing it under ultra high pressure?

What is made from the bark of the cinchona tree?

What is made of fermented grape juice?

What is made up of the duodenum, jejenum and ileum?

What is made with a mix of charcoal, saltpetre and sulphur?