Table 4. Correlation coefficients (r) of marbling characteristics and histochemical characteristics of the longissimus thoracis muscle from Hanwoo steers

Variables Marbling score IMF content Marbling fleck characteristics
Fleck number Marbling area Marbling area ratio Coarseness (C) Fineness (F) F/C ratio
Muscle fiber area percentage
 Type I 0.14 −0.07 0.09 0.09 −0.07 0.22 −0.33** −0.34**
 Type IIA 0.07 −0.06 0.13 0.05 −0.06 −0.22 0.10 0.17
 Type IIX 0.02 0.10 −0.18 −0.10 0.10 0.06 0.12 0.06
Muscle fiber number percentage
 Type I −0.12 −0.03 −0.06 0.05 −0.03 0.26* −0.26* −0.37**
 Type IIA 0.13 −0.03 0.12 0.05 −0.03 −0.28* 0.19 0.26*
 Type IIX −0.01 0.05 −0.06 −0.09 0.05 0.01 0.08 0.11
Muscle bundle characteristics
 Bundle area −0.04 −0.16 −0.06 −0.14 −0.16 −0.09 0.07 0.08
 Fiber number per bundle 0.07 0.01 −0.03 −0.07 0.01 0.01 0.20 0.07
 Total bundle number 0.07 −0.02 0.26* 0.13 −0.02 0.13 −0.09 −0.15
p<0.05;
p<0.01.
IMF, intramuscular fat.