Is Lignin Edible

Lignin, one of the three main components of non-edible, lignocellulosic biomass, is a renewable feedstock with great potential.

Can we eat lignin?

It has been generally assumed that lignin is not metabolised during digestion and that it has no significant benefits or disadvantages in this regard. However, there are also studies suggesting that colon microbiota can metabolise at least part of lignin into various kinds of metabolites, which may be bioactive.

Is lignin highly digestible?

Lignin and Forage Quality 1972), it only has significance for cell-wall digestion as lignin does not directly impact digestibility of plant cell solubles.