2.4. Physicochemical properties
2.4.1. Moisture measurement
The moisture content of soybean hull fibre was determined by TGA-701 (Leco Corporation, St. Joseph, MI, USA).
Generally, samples were collected and stored in air-tight jars until ready to test. Each cup was loaded with 2–4 g of the sample before being put into the carousel, set at 103 °C. Each sample was tested in triplicate.
The moisture content of control and treatment in soybean hull fibre were 9.4 ± 0.1, and 10.2 ± 0.1, respectively.