the.com/bioflavonoid
The pigments that make citrus pith bitter and your arteries slightly grateful.
means A group of plant compounds (found especially in the white pith and skin of citrus fruits) that act as antioxidants and are often taken as supplements for circulation and vein health.
from Built from 'bio-' (life) plus 'flavonoid,' itself from Latin 'flavus,' meaning yellow — a nod to the yellow pigments where these compounds were first isolated. The term entered scientific use in the 1930s, when researchers investigating citrus extracts classed them as 'vitamin P,' a label that didn't stick once chemists realized they weren't a true vitamin, just a large and useful family of plant pigments.
- not a vitamin
- once called vitamin P, then demoted, never recovered
- found in
- citrus peel, onions, dark chocolate, red wine
- job
- helps vitamin C absorb, mops up free radicals
- color clue
- responsible for most plant reds, blues, and yellows