Pantothenic acid (vitamin B5), a water-soluble B vitamin, is sometimes called the "anti-stress vitamin." It is required for the body to make coenzyme A (CoA). CoA is involved in many reactions, such ...

Then, 0.2 ml NaOH (200 g/L) was added. Finally, the diluted solution (diluted ten times) and 1.5 ml DNS (3, 5-dinitrosalicylic acid) was mixed in the tube and immediately transferred to boiling water ...

After this time, the mixture was cooled to room temperature and added to ice and water. The generated phosphoric acid was neutralized by adding dropwise a solution of 5 M NaOH. The solid formed was ...