Table 2. Effect of extraction temperature on the hesperidin and hesperetin contents of mandarin peel extracts treated with HCl in 60% ethanol

Extraction temperature HCl concentration Hesperidin (mg/g dry mass) Hesperetin (mg/g dry mass)
40°C 0 M 68.35±0.851)*2) 0.00±0.00
0.5 M 29.03±2.02* 9.27±1.04*
80°C 0 M 73.55±0.18** 0.00±0.00
0.5 M 16.51±0.28** 21.33±0.17**
Values are mean±SD (n=3).
Asterisks indicate statistical significant differences using t-test (* p<0.05, **p<0.0001).