Table 3 Hunter’s color values of the yogurt with different amount of green tea powder during storage per iod at 4℃

Green tea powder content (%)	Color value1)	Storage period (day)
		0	5	10	15	20	25	30
		0	L	71.91±0.022)^G3)	80.89±0.01^B	81.91±0.02^A	79.91±0.01^C	77.90±0.00^E	75.92±0.03^F	77.91±0.05^D
a	-2.06±0.02^G		-1.5±0.01^F	-0.84±0.01^E	-0.19±0.02^D	-0.2±0.00^C	-0.05±0.02^B	0.02±0.02^A
b	4.37±0.02^G		7.04±0.01^F	7.11±0.01^E	7.57±0.02^D	8.31±0.00^C	8.45±0.02^B	8.81±0.00^A
0.5	L	66.25±0.04^A	63.74±0.01^B	63.24±0.02^C	63.13±0.01^D	62.78±0.04^E	62.33±0.04^F	62.25±0.03^G
	a	-2.25±0.02^G	-0.86±0.00^F	0.02±0.04^E	0.42±0.00^D	0.88±0.02^C	1.16±0.01^B	1.25±0.00^A
	b	8.80±0.02^G	11.79±0.02^F	12.03±0.01^E	13.24±0.00^D	14.01±0.02^C	14.08±0.00^B	14.58±0.02^A
1	L	64.04±0.03^B	65.76±0.04^A	64.03±0.00^C	63.94±0.01^D	62.53±0.00^E	61.54±0.01^F	60.10±0.01^G
	a	-2.63±0.02^G	0.6±0.04^E	0.53±0.01^F	1.05±0.03^D	1.18±0.04^C	1.36±0.00^B	1.53±0.03^A
	b	9.83±0.00^G	12.17±0.01^F	12.99±0.00^E	13.46±0.00^D	14.77±0.03^C	15.0±0.02^B	15.78±0.00^A
2	L	62.23±0.03^B	64.48±0.04^A	59.22±0.00^C	57.11±0.00^D	56.54±0.02^E	56.53±0.04^F	55.25±0.03^G
	a	-3.04±0.00^G	0.71±0.01^F	1.14±0.05^E	1.26±0.08^D	1.40±0.03^C	1.53±0.02^B	1.69±0.03^A
	b	11.29±0.00^G	12.88±0.02^F	13.02±0.03^E	14.02±0.00^D	14.95±0.01^C	16.02±0.01^B	16.45±0.00^A
3	L	60.58±0.00^B	61.67±0.02^A	57.80±0.04^C	56.54±0.01^D	55.01±0.01^E	54.56±0.02^F	53.90±0.02^G
	a	-3.4±0.01^G	0.85±0.01^F	1.26±0.00^E	1.38±0.02^D	1.54±0.05^C	1.73±0.01^B	1.89±0.05^A
	b	12.54±0.04^G	13.03±0.00^F	13.89±0.01^E	14.99±0.03^D	15.24±0.00^C	16.33±0.02^B	16.88±0.04^A

L, lightness; a, redness; b, yellowness.
The values were expressed as mean±SD (n=10).
Different letters within the same row indicate significant difference (p<0.05).