A total of 2 kg beef cubes for stew were purchased
from the local supermarket. They were washed, drained,
and three 500 g portions (A, B, C) were placed in glass
bowls. To sample A, 10 g of the tenderizer A (table 1) was
mixed in thoroughly. Similarly, to sample B, 13 g of the
tenderizer B was mixed in.