Used as pharmaceutical intermediates.

Hexa His is an amino acid sequence consisting of 6 His residues in a row, it is also known as hexa histidine-tag, 6xHis-tag, and by the trademarked name His-tag. Hexa His Responsible for the degradation of GM2 gangliosides, and a variety of other molecules containing terminal N-acetyl hexosamines, in the brain and other tissues.

Tea polyphenol also called green tea extract are a mixture of chemical compounds such as flavanoids and tannins found naturally in tea. Polyphenols are powerful antioxidants which can reduce the risk of developing coronary artery disease and a number of other health problems.