Description_x000D_ Application_x000D_ Thiamine pyrophosphate has been used:_x000D_ • for the preparation of chitosan nano-particles_x000D_ • as a standard for vitamin B1 and its derivative in high-performance_x000D_ • liquid chromatography (HPLC) analysis_x000D_ • immunofluorescence_x000D_ Packaging_x000D_ 1, 5, 25, 100 g in poly bottle_x000D_ Biochem/physiol Actions_x000D_ Thiamine pyrophosphate (TPP) is a coenzyme of transketolase, that catalyzes the cleavage of ribulose-5-phosphate. This reaction leads to the formation of D-glyceraldehyde-3-phosphate. It requires the addition of an acceptor aldehyde such as ribose-5-phosphate, glyceraldehye or glycolaldehyde. TPP is capable of decarboxylating hydroxypyruvate in the presence of an ′acceptor aldehyde′.