The is a specialized, living tissue that forms the outermost part of the endosperm in cereal grains. While often removed during the milling process as part of the "bran," it is actually the most nutrient-dense portion of the seed. 🌾 Biological Role & Function
: Its activity is triggered by gibberellic acid (GA) from the embryo and suppressed by abscisic acid (ABA) to maintain dormancy. aleurone
-amylase) that break down the starchy endosperm into food for the growing embryo. The is a specialized, living tissue that forms
: During germination, it synthesizes and secretes hydrolases (like The is a specialized
The aleurone acts as a "biological factory" that fuels the seed's transition from dormancy to life.