Mixture of: Pelargonidin 3-glucoside, Cyanidin 3-glucoside, Peonidin 3-glucoside, Delphinidin 3-glucoside, Petunidin 3-glucoside and Malvidin 3-glucoside

CHEMICAL DESCRIPTION
The chemical formula and molecular weights for the respective glucosides are:
– Pg 3-glc: C₂₁H₂₁O₁₀Cl, Mr =468.5
– Cy 3-glc: C₂₁H₂₁O₁₁Cl, Mr =484.5
– Pn 3-glc: C₂₂H₂₃O₁₁Cl, Mr =498.5
– Dp 3-glc: C₂₁H₂₁O₁₂Cl, Mr =500.5
– Pt 3-glc: C₂₂H₂₃O₁₂Cl, Mr =514.5
– Mv 3-glc: C₂₃H₂₅O₁₂Cl, Mr =528.5
The mixture contains 5 mmole of each compound. Netweight is 15mg. 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).