IUPAC name: (2S,3R,4S,5R,6R)-2-[5,7-dihydroxy-2-(3,4,5-trihydroxyphenyl)chromen-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol chloride
CHEMICAL DESCRIPTION
The chemical formula for Delphinidin 3-glucoside is C21H21O12Cl. The molecular weight is 500.8 g/mol. The product belongs to the anthocyanins, which 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 dark red /purple 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 520nm. The rest is impurities of other anthocyanins, 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).