Corante Natural Spirulina Azul

Natural Blue Spirulina Colorant (Phycocyanin)

Blue Spirulina is a natural food colorant derived from phycocyanin, the blue pigment protein found in the cyanobacterium Arthrospira platensis (Spirulina). Unlike traditional green Spirulina, the blue variant is obtained by extracting and purifying phycocyanin, resulting in a water-soluble powder with a vibrant blue hue.

 

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Key Features

✅ Color: Bright, electric blue (similar to synthetic FD&C Blue No. 1 but natural).
✅ Solubility: Water-soluble (ideal for beverages, ice creams, and confectionery).
✅ Stability: Heat-sensitive (degrades above ~60°C / 140°F) and pH-dependent (best at neutral to slightly acidic pH).
✅ Flavor: Neutral (does not alter the taste of foods).
✅ Origin: 100% natural, vegan, and non-GMO.

Applications in Food Industry

Blue Spirulina is used as a healthier alternative to artificial dyes (like E133 – Brilliant Blue) in:

  • Beverages: Smoothies, soft drinks, cocktails, and sports drinks.

  • Confectionery: Frostings, macarons, chewing gum, and decorative sugars.

  • Dairy: Yogurts, ice creams, and colored cheeses.

  • Health Foods: Protein bars, cereals, and natural snack coatings.

  • Decorative Uses: Cake decorations, jelly art, and edible paints.

Benefits

✔ Clean-label: Free from common allergens (unlike carmine or synthetic dyes).
✔ Nutritious: Phycocyanin has antioxidant and anti-inflammatory properties.
✔ Global Acceptance: Approved by the FDA (USA) as GRAS (Generally Recognized as Safe) and under review in the EU (potential future E-18x code).

Limitations

⚠ Heat Sensitivity: Not suitable for high-temperature processing (e.g., baking).
⚠ Light Sensitivity: May fade under prolonged direct sunlight.
⚠ Cost: More expensive than synthetic dyes due to extraction complexity.

Regulatory Status

  • EU: Pending approval for an E-number (likely E-18x). Currently listed as "Spirulina Extract" or "Phycocyanin."

  • USA: FDA-approved (GRAS status).

  • Other Countries: Regulations vary (check with local agencies like ANVISA in Brazil, Health Canada, etc.).

Comparison to Other Blue Colorants

ColorantSourceCode (EU)Stability
Phycocyanin Spirulina (Pending) Moderate (heat-sensitive)
E133 Synthetic E133 High
Anthocyanin Fruits (e.g., red cabbage) E163 Low (turns pink in alkaline pH)
330.039

Specific References