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Natural Pigment Extraction from Larkspur (Delphinium spp.) and Dyer’s Broom (Genista tinctoria)

Larkspur and Dyer’s Broom are valued plants for their natural pigments widely used in dye extraction.

Colors Extracted:

Larkspur (Delphinium spp.): Produces blue to violet hues primarily due to the presence of anthocyanins.

Dyer’s Broom (Genista tinctoria): Yields bright yellow pigments, mainly flavonoids such as luteolin.

Extraction Methods:

Blue-Purple Color Extraction from Larkspur: Involves acidified aqueous solvents to stabilize anthocyanins, with techniques like ultrasound-assisted extraction (UAE) or maceration enhancing pigment yield and color retention.

Yellow Color Extraction from Dyer’s Broom: Typically uses ethanol or water-based solvents to isolate luteolin flavonoids, employing gentle heating or UAE to maximize extraction efficiency while preserving pigment stability.

These natural pigments are widely applied in textiles, cosmetics, and food coloring, offering eco-friendly alternatives to synthetic dyes.

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Natural Color Extraction from Larkspur & Dyer’s Broom

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