Purple Sweet Potato Color
☆ Appearance
Purple sweet potato color powder is red to purple red, liquid is brown purple,both has the characteristic odor of sweet potato.It can be dissolved in water & alcohol ,propylene glycol solution easily but not in oil. The color of water solution changes when pH is different. When PH is between2-6,the color is red or purple red.The solution color becomes blue. and is unstable when pH is above 6. The color of solution can’t fade under light for a long time, and also has good resistance to high temperature in an acidic medium.
☆ Quality Standard
| Items | Standard | |
|
Powder |
Liquid |
|
| Color Value E(1%、1cm、PH3.0、530±5nm) |
30~100 |
10~30 |
| pH |
2~5 |
2~5 |
| Loss on Drying %Less than |
8 |
~ |
| Ash %Less than |
4 |
2 |
| Lead(as Pb) mg/kg Less than |
3 |
2 |
| Arsenic(as As) mg/kg Less than |
2 |
1 |
| Aerobic Plate Count cfu/g Less than |
1000 |
1000 |
| Pathogenic Bacteria |
Negative |
Negative |
| Total anthocyanins(as cyanidin-3-glucoside) w/% more than or equal |
0.7 |
0.7 |
☆ Applications and Usage instruction(in compliance with GB2760:Standards for uses of food additives)
Purple sweet potato color can be widely used in frozen drinks, imitation wine, fruit and vegetable juice (pulp) beverages, candy, topping,etc.
☆ Usage Reference(in compliance with GB2760:Standards for uses of food additives)
For fruit and vegetable juice (pulp) beverages, candy: max usage limit is 0.1g/kg; others: max usage limit is 0.2g/kg.
☆ Legal registered number
INS NO: 163 FECNO: E-163 KEDANO: NlralAddINes142 Japanese NO: Nature Additive 434 FDANO: 21CFR, §73.260 CNSNO: 08.154 CASNO: 60687-63-6
☆ Package & Storage
☆ Package
Powder is packed with corrugated box, carton, or plastic drum with inner double plastic bags, net weight is 10kg or 20kg for each container. Package standards are also available according to consumer's demand.
☆ Storage
Sealed, avoid light, store in cool and dry place.
☆ Shelf Life
If the storage condition attains as mentioned above, Powder two years from production date,liquid is six months (unopened).Once opened,should seal up again and use within six months(powder)or one month (liquid).







