Table 1. Muscle fiber characteristics of M. longissimus lumborum from four quality grades of Hanwoo steers

Traits Quality grades

1++ 1+ 1 2
Fiber number (%)
  Type I 35.04±0.48A 34.22±0.58A 32.34±0.22B 30.48±0.28C
  Type IIA 17.34±0.16A 17.22±0.37A 16.54±0.40A 15.48±0.24B
  Type IIB 47.62±0.52C 48.56±0.83C 51.12±0.59B 54.04±0.13A
Fiber area (%)
  Type I 33.12±0.41A 32.50±0.33A 31.14±0.18B 29.58±0.27C
  Type IIA 16.62±0.36A 16.40±0.23AB 15.60±0.29BC 15.20±0.39C
  Type IIB 50.26±0.21D 51.10±0.23C 53.26±0.15B 55.22±0.40A