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.

Methyl nomilinate from citrus can modulate cell cycle regulators to induce cytotoxicity in human colon cancer (SW480) cells in vitro.

Pinobanksin 3-acetate, a flavonoid derivative, is a strong antioxidant found in sunflowers and honey that inhibits LDL peroxidation.