The main components of Brewer’s spent grains are cellulose, hemicellulose, i.e. arabinoxylan, lignin, protein, lipids, and low molecular weight phenolic compounds Image credit New Food Magazine
Chemical composition of spent grains
Spent grains nutritional overview – rich in protein, fiber, phenolic compounds, vitamins and more
Brewer’s spent grains (BSG) contains more than half the daily recommended dietary fiber (62%!), complete plant protein, and medium-chain fatty acids: is a lignocellulosic material rich in protein and fiber (cellulose, arabinoxylan and lignin) accounting for approximately 20 and 70% respectively
Spent grains as hog/pig feed
Based on our research, while spent grains are being fed to hogs (domestic pig that weighs more than 120 lbs. (54 kilograms)), according to this article in Grit, the effects of spent grain consumption as hog feed are not quite