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Gardenia Yellow

Gardenia Yellow

Gardenia Yellow is extracted from the gradenia fruit of the madder family. The pigment mainly consists of crocin and crocetin.

Properties: Gardenia Yellow, slight bitter, is a brown powder easily dissolvable in water and alcohol, but not in fat solvent. In water solvent, its bright yellow color does not vary according to PH. Resistance to light and heat is high in neutral and faintly alkaline mediums. It has a strong ability to color proteins and carbohydrates. It is applicable to the human-body and has been formulated to a national standard (standard number GB7912-87).

Quality standard:

 

ITEMS
 
INDICES
INDICES (GB7912-87)
Appearance
Powder
Liquid
powder
Liquad
Yellow-Brown
Brown
Color Value  E1%1cm442nm
 
30— 550
30—300
24
15
Drying Weightlessness 
 
7%
7%
50%
Ash          ≤
 
4%
2%
9%
5%
Heavy Metal    ppm≤
 
10
10
10
10
Lead        ppm≤
3
2
3
2
Arsenic      ppm≤
 
2
1
2
1
Microbiologic Quality
Conforms to Standards of Food Additives
 

 

Technological Process:
Raw Material → Crushing → Immersion in water → Filtering → Purification → Filtering → Concentration in Vacuum → Killing of Bacteria → Drying → Powder
                 ↓
                Liquid
Usages: Applicable to food, beverages.
Storage: Prevent from air, light and heat, Store in cool condition.




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