Table 3 Changes in color of yakgwa according to different deep frying oils during storage periods

Sample		Storage period (week)
		0	1	2	3	4	5
		Lightness	Soybean oil	A34.74±0.91ns,1)	AB34.30±1.57	NS33.77±1.49	NS32.66±1.49	A35.08±2.09	ABC32.40±1.32
Corn oil	B32.96±0.64bc		AB34.67±2.65ab	33.18±1.75abc	31.78±1.07c	A35.23±1.08a	BC31.98±1.56c
Canola oil	AB33.56±1.14b		A35.63±1.50a	33.94±0.96b	32.01±0.65c	B33.16±0.68bc	A33.97±0.74b
Rice bran oil	B32.28±0.75ns		BC32.53±0.90	33.18±1.34	31.92±1.66	B32.67±0.70	AB33.28±1.37
Grape seed oil	C28.92±1.32b		C31.10±0.67a	31.50±0.80a	32.37±1.34a	B32.35±0.61a	C30.98±0.90a
Redness	Soybean oil	NS2.66±0.56ns	NS2.72±0.78	AB3.41±1.13	NS2.57±0.78	NS2.73±1.06	AB2.88±0.64
	Corn oil	2.81±1.02ns	2.25±0.62	BC2.01±0.90	2.96±1.10	2.68±0.75	C1.83±0.50
	Canola oil	3.02±1.21b	2.85±0.48b	A4.60±1.39a	2.16±0.65b	2.64±0.50b	A2.96±1.08b
	Rice bran oil	2.93±0.47abc	2.51±0.37bc	BC2.61±0.95bc	3.26±0.85ab	2.22±0.13c	A3.52±0.43a
	Grape seed oil	2.96±0.80ns	2.76±0.55	C1.70±0.47	2.25±0.49	2.20±1.00	BC2.03±0.36
Yellowness	Soybean oil	A10.52±0.66a	A10.25±0.45ab	B10.65±0.36a	NS9.38±0.57b	A10.5±1.09a	A10.23±0.77ab
	Corn oil	AB9.68±0.46bc	A9.96±0.62b	C9.64±0.73bc	9.06±0.53c	A10.79±0.48a	B9.14±0.47c
	Canola oil	BC9.34±0.72c	A10.72±0.54b	A11.95±0.48a	9.22±0.58c	AB10.37±0.81b	A11.05±1.03ab
	Rice bran oil	AB9.77±0.97abc	B9.07±0.39c	C9.88±0.84abc	10.11±0.54ab	B9.55±0.22bc	A10.65±0.63a
	Grape seed oil	C8.44±0.63c	B9.12±0.74abc	D8.52±0.35c	9.67±0.59a	B9.40±0.72ab	B8.67±0.44bc

Mean±SD
: Not Significant
Superscriptive letters in a row indicate significance at p<0.05 by Duncan's multiple range test
Superscriptive letters in a column indicate significance at p<0.05 by Duncan's multiple range test