Table 4. Sulfhydryl group and protein surface hydrophobicity of myofibrillar protein gels with 1% gelatin by different salt concentration

	Control			Gelatin
	0.15 M	0.30 M	0.45 M	0.15 M	0.30 M	0.45 M
Sulfhydryl group (μmol/g proteins)	78.3±0.20^a	37.8±0.72^b	13.6±1.24^c	77.1±0.20^a	38.2±0.46^b	14.3±0.59^c
Protein surface hydrophobicity (μg)	14.4 ±0.07^d	14.8 ±0.14^d	35.3 ±0.12^b	15.3 ±0.35^c	15.2 ±0.31^c	50.9 ±0.28^a

Means (n=3) having same superscripts in a same row are not different (p>0.05).