China Gardenia Yellow Color Extract - Premium Suppliers and Factory Direct Sales for Natural Pigments
Applications
Gardenia yellow color is extracted from gardenia, its composition is saffronin of carotenoids. Gardenia yellow color is an orange-yellow crystalline powder with little effect on the pH value. It has the advantages of good salt resistance, reduction resistance, and microbial resistance. It's soluble in water and immediately dissolved into a transparent yellow liquid. Also soluble in ethanol and propylene glycol, and insoluble in grease.
pH Stability & Solubility
Gardenia yellow aqueous solution has good color stability under neutral and alkaline conditions and fades when acidic. Gardenia yellow color liquid is orange-yellow at pH 1~7 and bright yellow at pH 8~12.
Antioxidant & Heat Resistance
It can inhibit the oxidation of 80% linolenic acid, acting as a food antioxidant. It has good heat resistance, maintaining a pigment residual rate above 85% at 80 °C for 120 minutes. It is also stable under light irradiation in the visible range (40LUN-700NLN).
Dyeing & Food Uses
Gardenia yellow color has excellent dyeing ability for protein, starch, and other hydrophilic foods. It is widely used in juice-based beverages, alcoholic beverages, pastries, popsicles, ice cream, puffed foods, jellies, dough cakes, candies, and canned chestnuts.
Frequently Asked Questions
What is the source and composition of Gardenia Yellow color?
Gardenia yellow color is extracted from the gardenia plant, and its main composition is saffronin of carotenoids.
What are the solubility properties of Gardenia Yellow?
It is highly soluble in water, dissolving immediately into a transparent yellow liquid. It is also soluble in ethanol and propylene glycol, but it is insoluble in grease.
How does pH affect the stability and color of Gardenia Yellow?
Gardenia yellow has good color stability under neutral and alkaline conditions, but it fades in acidic environments. The liquid presents an orange-yellow color at pH 1~7 and a bright yellow color at pH 8~12.
Can Gardenia Yellow be used as an antioxidant?
Yes, Gardenia yellow color can inhibit the oxidation of 80% linolenic acid, making it suitable for use as an antioxidant in food processing.
What is the heat and light stability of Gardenia Yellow?
It features good heat resistance, with a pigment residual rate above 85% at 80 °C for 120 minutes. It is also stable under light irradiation within the visible range (40LUN-700NLN).
What types of food products commonly use Gardenia Yellow?
Due to its excellent dyeing ability for protein and starch, it is widely used in juice-based beverages, alcoholic beverages, pastries, popsicles, ice cream, puffed foods, jellies, dough cakes, candies, and canned chestnuts.