Table 1
Physical properties of solar salt, Seok-jang and soy sauce

	pH	Insoluble solid (%)	Sand powder (%)
Solar salt	6.40±0.411)b2)	0.11±0.01	0.06±0.04
Seok-jang	7.76±0.07a	0.13±0.02	0.07±0.03
Soy sauce	4.35±0.04c	ND3)	ND

Results are shown as mean±SD.
^a-c Means with different small letters in the same column are significantly different (p<0.05) by Duncan's multiple range test.
ND, Not detected.