. Reflectance Small ring cups for solid product analyses were used as filter holders. A glass microfibre filter (Millipore, AP40) per sample was impregnated with milk and oven dried at 40 C for 24 h, as described by
. ReflectanceSmall ring cups for solid product analyses were used as filterholders. A glass microfibre filter (Millipore, AP40) per samplewas impregnated with milk and oven dried at 40 C for 24 h, asdescribed by