Table 2.

Comparison of each yield of rugosa rose fruit extract from conventional extraction and ultrasound-assisted extraction at 30 min, 30 °C, and ethanol 50% (mg/g dry weight)

	TPC	TFC	AA
CE	4.79 (0.33)	1.19 (0.34)	1.30 (0.05)
UAE	64.49 (4.94)	21.03 (5.03)	6.38 (0.84)

Numbers in parentheses are standard deviations of triplicate measurements

TPC total phenolic compounds (mg vanillin equivalents/g extract), TFC total flavonoid compounds (mg quercetin equivalents/g extract), AA ascorbic acid (mg/g extract), CE conventional extraction, UAE ultrasound-assisted extraction