Table 1. Relative contents of the secondary structures (%) of the myosin extracts

Treatment¹⁾	α-helix	β-sheet	β-turn	Random coil
Control	15.52^ab	26.56^bc	17.35^ab	40.57^ab
NaCl	17.44^a	25.56^c	17.23^b	39.77^b
KCl	13.47^bc	27.91^ab	17.48^a	41.15^a
CaCl₂	11.82^c	29.20^a	17.52^a	41.46^a
MgCl₂	13.79^bc	27.58^ab	17.51^a	41.12^a
SEM²⁾	0.694	0.424	0.054	0.229

Control, myosin extract of myofibrillar protein extract with 0.3% sodium pyrophosphate; NaCl, myosin extract of myofibrillar protein extract with 0.3% sodium pyrophosphate and 2% NaCl; KCl, myosin extract of myofibrillar protein extract with 0.3% sodium pyrophosphate and 2.55% KCl; CaCl₂, myosin extract of myofibrillar protein extract with 0.3% sodium pyrophosphate and 1.27% CaCl₂; MgCl₂, myosin extract of myofibrillar protein extract with 0.3% sodium pyrophosphate and 1.08% MgCl₂.
n = 15.
The different lowercase superscript in the same column at the same temperature indicate significant differences between the means (p < 0.05).