Table 3. Color values of onion powders

Sample	L*	a*	b*
COP	80.11±0.23a	17.18±0.12c	73.24±0.91a
OFP	74.90±0.32b	22.48±0.11b	66.30±1.39b
OPP	61.06±0.43c	27.17±0.68a	52.55±0.61c

Values are expressed as the mean±SD (n=3).L*,lightness;a*,redness;b*,yellowness. COP, commercial onion powder; OFP, onion flesh powder; OPP, onion peel powder. Different superscript letters (a-c) within the same column indicate significant differences (p<0.05) by Tukey’s HSD test.