IUPAC name: 3,5,7-trihydroxy-2-[3-hydroxy-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-phenyl]chromen-4-one Other name: Spiraeoside
CHEMICAL DESCRIPTION
The chemical formula for Quercetin 4′-glucoside is C21H20O12. The molecular weight is 464.4 g/mol. The product belongs to the flavonols that is a class of natural chemicals belonging to the flavonoids. It is highly water-soluble and is easily degraded by hydrolysis and /or hydrogenation at temperatures >40°C.
PHYSICAL CHARACTERISTICS
The product shall be yellow in colour and shall normally be powdered.
COMPOSITION STATEMENT
The product has a purity >97% as detected by high- performance liquid chromatography (HPLC) connected to UV /Vis detector at 280nm and 350nm. The rest is impurities of other flavonoids or polyphenols.
STORAGE REQUIREMENTS
The product should be kept in darkness and at low temperatures for storage more than a few days (< -5°C).