Grape skin extract powder and liquid , Natural red food coloring

Specifications:

1.Description:

A pure natural and water soluble food color produced by our company, is obtained by extracting skins of edible purple grape fruit of vitaceae which are planted locally. The process is extracting, refining. The major pigment component is enocyanin of anthocyanins

2.Appearance: red to dark purple powder,lump,mush or liquid with a special stink

3.Solvent Effects: soluble in water,ethanol,propylene glycol , insoluble in oil

    pH Influence: stable in acidic conditions   RED to PURPLE-RED 

                            unstable in neutral and alkaline conditions   DARK BLUE  

4.Metallic Ions Interaction:  turn into dark purple when meet with Fe³⁺

5.Protein effect: turn into dark purple when meet with protein

6.Light Stability (under acidic conditions):   GOOD

7.Heat Stability (under acidic conditions):   GOOD

8.QUALITY SPECIFICATIONS: our company’s products comply with the provisions of GB2760-2011

9.PRODUCTS’ SPECIFICATIONS: tailor to customers’ needs

10. APPLICATIONS and DOSAGE: natural red to red-purple edible color

   [ MAXIMUM 1.0 g/kg]cool drinks(except edible ice),integrated alcohols

   [ MAXIMUM 2.0 g/kg]confectionaries,cakes

   [ MAXIMUM 2.5 g/kg]drinks(except packed drinking water)

   [ MAXIMUM 1.5 g/kg]jam

11.Storage:  Sealed package in dark, cool and dry places

12.Expiration Date (without being opened): From the date of ex-factory 

1)POWDER 2 years  

2)LIQUID 6 months

13.Expiration Date (being opened):From the date of first open

1)POWDER 6 months 

2)LIQUID 1 month