Method Category: Soybean Meal

This test method is a combustion method for determining crude protein in soybean meal, using high‑temperature combustion in pure oxygen to release nitrogen that is then measured and converted to protein. It is also the officially designated crude‑protein method used for NOPA referee testing.

This test method determines oil content in oilseed meals and cakes by measuring the petroleum‑ether–soluble fraction under defined extraction conditions. It is also the designated official oil analysis method used in NOPA referee testing.