Table 5
Total polyphenol contents and DPPH radical scavenging activities of raw and cooked noodles containing different concentrations of onion powder

Value Noodle Noodle1)
OP0 (control) OP3 OP5 OP10
Polyphenol(mgGAE/mL) Raw 9.87±0.18d2) 14.33±0.24c 16.89±0.34b 20.62±0.35a
Cooked 5.59±0.46d 9.65±0.16c 11.62±0.16b 15.59±0.66a
DPPH(%) Raw 9.86±1.06d 20.50±3.68c 29.22±1.86b 40.12±0.53a
Cooked 7.09±0.46d 11.14±1.41c 14.61±0.35b 21.53±0.52a
OP0 (control), noodle added with 0% onion powder; OP3, noodle added with 3% onion powder; OP5, noodle added with 5% onion powder; OP10, noodle added with 10% onion powder.
Mean±SD of triplicate determinations. Means with different superscripts within a row indicate significant differences (p<0.05).