QL9 is derived from the enzyme 2-oxoglutarate dehydrogenase and belongs to the endogenous peptide repertoire of all H-2d APCs.

Red dye, pH indicator, and diagnostic aid for determination of renal function. It is used also for studies of the gastrointestinal and other systems.

Fucoxanthin is a carotenoid that occurs naturally in certain algae.?It is found as an accessory pigment in the chloroplasts of brown algae and most other heterokonts, giving them a brown or olive-green color.It?shows anti-obesity, anti-oxidant, anti-diabetic, anticancer and anti-inflammatory activities.