Lac dye is the natural edible food pigment extracted and refined from the resinoid lac dissolved in watery sodium carbonate, the resinoid lac is excreted by the female Laccifer locca which parasitize on the Fabaceae,Maoraceae plant. Its manin ingredients are shellac acid A,B,C and E.
Characteristic: Lac dye is cardinal red powder. A little dissolved in water.,dissolved in alcohol and propylene glycol, not in cottonseed oil. Its hue varies with PH v-alue. It appears salmon pink at PH3 – PH5, red to magenta at PH5-7, purple when PH v-alue is bigger than 7. It’s stable to light in acid condition. Not stable in alkalescent condition, easily fade and affected by metal ion(especially Fe2+)
Quality Standard
|
Items |
Enterprise Standard |
GB4571-1996 |
|
Appearance |
Cardinal red or Magenta Powder |
Cardinal red or Magenta Powder |
|
Color v-alue E
(1%?1cm?490nm) |
130~160 |
?130 |
|
Loss on Drying % Less than |
10.0 |
10.0 |
|
Ash % Less than |
0.8 |
0.8 |
|
PH |
3~4 |
3~4 |
|
Lead ppm Less than |
5.0 |
5.0 |
|
Arsenic ppm Less than |
2.0 |
2.0 |
|
Heavy metal ppm Less than |
10.0 |
30.0 |
|
Pathogenic Bacteria |
None |
- |
Application and Usage Reference
Lac dye can be widely used in juice drinks,carbonic drinks,wine, candy,jam and sauce etc. The usage reference is 0.005~.05%.
Package
Packed with plastic or paper container with inner plastic bags, net weight is 10kg or 20kg. Different package standards are available according to consumer's demand.
Storage
Sealed, avoid light, store in a cool & dry place.
Shelf Life
Two years from production date if the storage condition attains as mentioned above. Once opened, should seal up again and use within six months.
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