A yellow dye extracted from plants or synthesized chemically, often used in scientific research and as an indicator in chemistry.
From Greek 'helios' (sun) and 'anthos' (flower), combined with the chemical suffix '-in'. The term was coined in the 19th century when chemists isolated compounds from sunflower-related plants.
Helianthin is actually methyl orange, one of the first synthetic dyes created in laboratories—it revolutionized chemistry by showing scientists could create nature-inspired colors without needing actual plants!
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