The odor of beef products based on three categories :
class I, class II and class lit. The 10-point sensory scale
used in this study was condensed to the three classes. Class
I odor was samples with sensory grade from 1 to 4 (named
grade "A" in this study); Clam II odor ranged from 5 to 7
(named grade "B'); and Class III odor ranged from 8 to10
(named grade "C')