Flavonoids

Question 1

Classification

Answer 1

*One of the largest and most important groups of - ALELLOCHEMICALS (>3k compounds characterized to date)
*Can be allelopathic or have mutual benefit
*Many functions

Question 2

Origin

Answer 2

*Via malonate pathway - from acetate and phenylalanine.

*Mostly made in higher plants, animals obtain them from diet (give butterflies the color)

Question 3

Properties

Answer 3

-Absorb UV light and most are water soluble
-Found in all parts of the plants, provide plant with pigment
- Free radical scavengers which provides anti-inflammatory properties
- Contain phytoalexins - fungicides (allelopathy)