Table 3. Free sugar of first solid-fermented mesh depending on grain materials

Free sugar (mg/L)	First fermentation	Sorghum	Corn	Wheat	Barley	Millet
Glycerol	Before	ND¹⁾	ND	ND	ND	ND
Glycerol	After	122.4±36.3^c2)	263.4±33.0^b	40±25.8^d	163.7±41.1^c	356.6±27^a
Fructose	Before	ND	406±47.2^a	262.2±69.1^bc	329.6±27.2^ab	234.8±19^c
Fructose	After	ND	ND	ND	ND	ND
Glucose	Before	2,308.1±257.1^e	4,266.2±487.4^c	2,981.3±353.4^d	6,752.8±444.7^a	5,558.2±44.2^b
Glucose	After	ND	1,123.4±246.6	5,476.7±776.4	7,662.8±223.6	3,001.9±12.6
Sucrose	Before	ND	ND	ND	ND	ND
Sucrose	After	ND	ND	ND	ND	ND
Maltose	Before	ND	ND	ND	ND	ND
Maltose	After	ND	ND	ND	ND	ND

Not detected.
Mean±SD (n=3) within each column followed by different letters is significantly different (p<0.05).