Blue to Bluish Purple Color Extraction from Hyacinth & Cornflower Flowers
Both Hyacinth (Hyacinthus spp.) and Cornflower (Centaurea cyanus) contain natural pigments that can be extracted for use in textiles, food, cosmetics, and dyes.
Pigments Present
- Anthocyanins → Blue, purple, or violet tones (pH-dependent)
- Flavonoids → Yellowish undertones (can be adjusted for color stability)
Extraction Methods
- Water-Based Extraction (Best for Water-Soluble Anthocyanins)
- Alcohol-Based Extraction (For Deep Blue & Purple Shades)
- pH Adjustment for Color Modification
Stabilization & Preservation
- Mixing with mordants (Alum, Iron, or Copper Sulfate) → Helps fix color for dyeing.
- Freeze-Drying or Spray-Drying → Extends shelf life for powdered form.
- Storage → Liquid extracts are stored in amber glass bottles in cool conditions to prevent oxidation.
Applications
- Food & Beverage Industry – Natural colorant for juices, jams, and yogurts.
- Textile Industry – Used as a plant-based dye for fabric coloring.
- Cosmetics – Added in lipsticks, eyeshadows, and skincare products.
- Ink & Paints – Used for eco-friendly, plant-based ink production.
Would you like a large-scale industrial extraction process based on these methods?
